Our Team

Mary Genovese Colvin
Margaux Pelegrin
Gary Pett
Beth Lytwynec
Megan Dever
Nancy Serpentine
Norm Eckert
Phyllis Greenberg
Scott Hickman
Kay McGrath
Fred Manfred

Mary Genovese Colvin

Founding Broker & Team Principal contact Mary

Mary Genovese Colvin, founding partner of On The Square Real Estate, began her career in Residential Real Estate 42 years ago. Selling “River to River” in Center City Philadelphia she has been involved in over 600 million in sales just over the past 13 years. She leverages her personal connections, decades of experience, cutting-edge technologies, and intensive market knowledge in pursuit of unparalleled client-focused service. Mary approaches each transaction with the utmost care.

“My clients hire me to do my best and nothing is more important than customer service.” Real Estate Transactions are among the biggest investments people make in a lifetime. “I feel there is no time for amateurs and certainly no time to cut corners. I know just how important my role is to buyers/sellers. “Mary believes “giving is better than receiving” and because of this she has been board active with many charities and involved in the arts over the years. She is a member of the Union League of Philadelphia.

Testimonials

Mary was outstanding during the entire process. She knows and understands the local real estate market and is well networked. She was also very knowledgeable of and proficient in navigating the paperwork associated with the transaction. Finally, she was very prompt and responsive to all requests. We would highly recommend her services to others seeking real estate in the Rittenhouse neighborhood.

Mark & Kathi Wennell

Our experience with Mary and Margaux was excellent from the first phone call right through the settlement meeting. We were looking for an agent that was professional and savvy, and one that we could trust. We wanted an agent that would provide an honest, fact-based, and realistic recommendation on pricing our home - not an artificially high price to entice us that would do more harm than good to the marketability of our home, but a price that would maximize our return. On-line reviews led us to Mary and Margaux and we're glad we found them. They make a powerful team - knowing how to combine their unique skills in an efficient and complementary way. They are honest and professional - they earned our trust quickly. They are experienced - which means they are confident and composed at the critical times in the selling process. They were open to listening to our ideas on the key selling points of our property and to our desired level of communication. They have a very strong team, with a special call-out to Scott. After seeing Scott conduct an open house for us, it was clear he is also a top-notch agent. Overall, a very solid experience leading to a successful result. We would highly recommend you consider the selling team of Mary and Margaux

Mark Rutledge

I have used Mary G. for all of my real estate transactions over the past 25 years. She has always guided me with great integrity, creativity and effectiveness.

Howard J. Sacks, CFP® – Senior Vice President – Investments

I think Mary knows every residence in Center City. Her knowledge is unsurpassed. Whether as a buyer or a seller, with Mary as our agent, I always know she will be professional, competent, honest and fun to work with. I have worked with Mary on eight deals, and all were handled professionally. I can recommend her highly and with enthusiasm.

Dr. Nancy Needham – President, Global Initiatives, Inc.

Margaux Pelegrin

Team Principal contact Margaux

Margaux has been a dedicated real estate agent since 2005. She works alongside her Mother and partner, Mary Genovese Colvin. She was born and raised in the Rittenhouse Square section of Center City so she knows the value of city living and is an area expert. Professional and friendly, Margaux’s approach helps clients feel comfortable about a potentially stressful process. She loves the moment when she gets to experience her satisfied clients’ delight in their transactions. Her diligence and knowledge will help you to make the right decision and show you why Philadelphia real estate is the best investment.

Testimonials

"I could not recommend a professional more highly than I recommend Margaux. Buying a (very expensive) home is stressful, nerve-wracking and an altogether new experience. We bought our home in Fitler Square in an extremely competitive market for buyers. Margaux had great insight into what would be coming up for market (which was crucial in this market -- she truly, truly knows the market in Center City); on-point instincts about when to make an offer, and at what price point; when to walk away and wait for another house. We were the winning bidder in a competitive bidding war with Margaux's excellent guidance. When it came time to inspect, and then close, she held our hand throughout the process. It was truly seamless and low stress. She was ethical and above board at all times. She went beyond just getting us the house and closing--recommending contractors, landscapers, roofers, and the many other professionals we needed to make our home our own. I recommend her to friends and family without hesitation. She will get you the house you have been waiting for, or sell your house at top price. She is smart, confident, knowledgeable, and honest. You can't ask for more than that."

Sarah Pierce

"My husband and I were in a unique position as long term renters who suddenly needed to find our first "starter house" that would satisfy our family of four and two dogs.. in the good school district but at a great price. Margaux was able to successfully navigate us through the processes and advise us at each step of the way. We were all over the map in terms of what we wanted and she expertly guided us and provided advice while somehow listening to everything we said. It was clear to us that not only was she knowledgeable but she had her pulse on what was happening in the market. When Margaux said that the house was overpriced, we trusted her, when she said to bid our max, we complied. The market was tough and the process took longer than we expected but Margaux never slowed down and continued to curate great possibilities. Again, as a picky first time home buyer I couldn't imagine having anyone else by our side. I can't say enough about Margaux and would recommend her to anyone, no exceptions."

John & Elizabeth Hanks

"Margaux was such a pleasure to work with. Super responsive and available! Her knowledge of the local real estate market was invaluable in helping us to sell our home quickly and find and secure our new dream home in a very competitive market. I would 100% work with her again and recommend her enthusiastically to anyone I can!"

Nicholas Wolk

We cannot imagine a better realtor existing than Margaux. She was extremely knowledgeable and always quick to reply when we had questions, which there were many of, as we purchased our first home. We had high expectations for our budget and Margaux showed us numerous options which met our criteria. She was wonderful through the entire process and if we ever decide to move she is the only person we will call."

Adam Stump

Gary Pett

Licensed REALTOR® contact Gary

Whether in Rittenhouse Square or Old City Gary represents a variety of transactions for all lifestyles in Philadelphia. Prior to real estate, Gary designed policies for municipal utilities and state legislatures. His work lead to numerous renewable energy installations across the country. This coupled with his background in business enable Gary to provide his clients with dimensions of expertise, knowledge, and service. With a focused strategic approach Gary helps his clients navigate the very challenging real estate market in Philadelphia.

Testimonials

Gary made my move to Philadelphia smooth and seamless. I really could not have done it without him. He took all of the information and details that I gave him regarding what I was looking for into consideration, and found exactly what I was looking for. In addition to helping me find great apartment (at an even greater price!), Gary also took the time to help me find a convenient parking garage and answered the many questions I had about life in Philadelphia. I would highly recommend him.

Hilary M Levine

Recently my husband and I worked with Gary Pett to rent an apartment in Center City. He was an absolute pleasure to work with. He was extremely knowledgeable of all of the areas and properties he showed us. When we made a decision on the apartment we wanted to rent, he made the entire process very  easy. Even after the lease signing he has been very quick to respond to all of our questions. I really can't say enough about Gary and his professionalism. I HIGHLY recommend Gary as a broker whether you are looking to rent or buy. We will be sure to come back to Gary if we decide to buy in Center City.

Angela Mskalicky

I can't recommend or praise Gary highly enough! I'll be relocating to Philadelphia from DC, and Gary made the process as easy and painless as possible. He arranged for us to see a range of apartments on a Sunday morning. I determined that one would work particularly well for me, and Gary was  ready to hit the ground running with the application process that day. He successfully negotiated a few revisions I wanted made to the lease, and he even negotiated a slight decrease in the rent (without my even asking him to do so). We had a fully executed lease on Wednesday, just a few days after beginning the process. It was so painless. I was very impressed. In addition to being very knowledgeable and skilled, Gary is personable and pleasant to work with. I have already recommended him to a friend.

Paul Courtney

Beth Lytwynec

Licensed REALTOR® contact Beth

Beth has always had profound fascination with how each person inherently establishes their home to create a space that is uniquely theirs. As a former professional opera singer, she has spent long stretches of time on the road, so she knows how important being in one’s special nest is. Beth realizes that buying or selling real estate almost always accompanies a major life transition, and she’s proud and honored to guide clients through the process. As a performer, she knows how to connect with people while being attuned to their emotions and needs. As a realtor, she uses that same careful focus to create an experience that is stress-free, supportive and, above all, successful.

Beth earned a bachelor’s and a master’s degree in opera performance from The Boston Conservatory. She also studied at Temple University’s Real Estate Institute, and she holds a certificate in Mastering Design Thinking from MIT, a management course focused on problem-solving through understanding customer needs.

Testimonials

As first-time home buyers, we were quite daunted with the process and had no idea where to start. Beth helped us with everything from finances, a house versus a condo, and even helped us explore neighborhoods in Philly. At one point in our search, I started to get discouraged that maybe our money wouldn't get us what we wanted. We were at one house that needed a bit of work and was already priced a bit above our comfort zone, but we figured maybe this is just what we'd have to settle for. Beth sat with us for hours and explained to us that this house would be settling. She could tell we were emotionally spent and needed a little break. Beth could have easily just suggested we put an offer in so she could walk away with a nice commission, but instead her interests were in our happiness. After a couple of weeks, Beth sent us a new listing that was just about to hit the market. She got us in to see the place right away and we loved it! We made an offer and the sellers accepted the next day! This whole process has been amazingly positive thanks to Beth's expertise, patience, organization, and responsiveness. Her can-do attitude and her ultimate goal to make sure we found the right home makes Beth really special! We seriously cannot recommend Beth enough. Thanks to her, we have a beautiful new home that is absolutely perfect! Nothing is more heartwarming than knowing that we will be make memories in our new home and that Beth made it all a reality!

Christine Weisshaar & Graham Wabiszewski

I highly recommend Beth. She was incredibly supportive, responsive, flexible and professional. She offered sound advice and was there for us whenever we needed her. Our real estate transaction with Beth and Compass was effective, easy and friendly.

Bob Sutterley

Megan Dever

Licensed REALTOR® contact Megan

Born and Raised in South Philadelphia Megan loves helping clients explore Philadelphia’s diverse enclaves. She has a real knack for getting to know her clients and pairing their unique lifestyle to a perfect neighborhood. She’s known as both a shrewd negotiator and a skilled communicator, but above all, she believes in informing and educating her clients through every step of the process so that they always feel supported and championed.

Prior to real estate, Megan had a successful career in the fashion industry, and she traveled the world honing her impeccable eye for quality and beauty – and a slight shoe addiction. You can find Megan and her family exploring all the City of Brotherly Love has to offer, from restaurants and cultural venues to local events to fantastic shopping she is always looking for what’s new around town.

Testimonials

I worked with Megan in purchasing a second property. She was recommended to me by a friend who had worked with her in purchasing his home. I connected with Megan right away. We met in person to discuss my needs and what the process would look like. That lead to us getting started...Megan provided home suggestions based on my criteria and took me to see check out properties. I always had many questions about the properties I was interested in and she always did research for me and answered my questions. I put an offer on a house and the process didn't go well due to the intransigence of the seller, but at every step of that crazy road, Megan was working with me on negotiations and then as a result of a non-workable impasse, the termination of the agreement. All along she guided me and was my champion in dealing with the seller and his agent. We moved onto more searches and after seeing many other homes, she helped in finally getting me situated in one. This was also an extensive and what at least to me felt like hardcore negotiations, but Megan was sharp and focused and was able to get me (most) of what I needed. As a Philadelphia native, Megan has great command of the city and its neighborhood and is well connected. I have already recommended her to friends and will feel confident in doing so again in the future.  

Carolina Pino

As a first time homebuyer, I needed a lot of guidance and Megan was patient, very knowledgeable and helped me through the process . She was quick to respond to all of my emails and calls, and the whole process seemed a lot easier than I thought it would be .

Moria Tierney

Megan Dever is an outstanding realtor. She will work diligently to get your property sold. She is dedicated, a professional in every way. My home was listed and sold in less than 5 days.

Maryann Belletieri

Megan is a professional at what she does. She was great, courteous, and answered all my calls. if you're looking to buy or sell a house contact Megan Dever. The day our house went up on the market Megan had three showings and a bid. All of this was done and we settled 18 days later. If you’re looking to buy or sell your home I highly recommend Megan Dever.

Margie Carfagno

Nancy Serpentine

Licensed REALTOR® contact Nancy

Nancy Novelli Serpentine is a dual-licensed real estate agent in Pennsylvania and New Jersey, specializing in the Philadelphia and Jersey shore markets. Raised in Philadelphia, Nancy is well versed with the history of the city and all its incredible growth and expansion.

Nancy Spent 10 years in corporate America where she gained invaluable communication and negotiation skills which make her a leader in the real estate industry. Prior to that, she studied Psychology at Franklin and Marshall College and became real estate savvy by learning from her mother, Linda Novelli, and extended family members who have all built extraordinary real estate careers all over the country. Nancy is recognized by her client’s for her energy, hard work, and personal touch to every transaction.

Norm Eckert

Licensed REALTOR® contact Norm

From construction to development to sales, Norm has had a long and varied road in the real estate industry always keeping the same philosophy in mind – to help you find home.

His career in Philadelphia started in 2005 when he moved here from Seattle to expand his company Indus Enterprises, LLC which specialized in construction material distribution and consulting services. After 2 years he transitioned into real estate as a residential and commercial sales as an associate. In 2015 he became a senior associate on the sales and marketing team for the One Riverside Condominiums, a new $130 million luxury high rise Dranoff Properties development on the Schuylkill River in Fitler Square. Currently, he is a proud member of the esteemed On The Square Luxury Real Estate Team at Compass Philadelphia.

Beyond real estate, Norm is a member of the Philadelphia Museum of Art, a violinist, enjoys photography, sailing, and rowing. He has served as a volunteer advisory board member for the NC Kidney Foundation, and was Chairman of the Annual Nashville Baptist Hospital Ear Foundation Balloon Classic.

Phyllis Greenberg

Licensed REALTOR® contact Phyllis

As a long-time Center City resident with over 25 years of experience as an area broker, Phyllis has unprecedented market knowledge and a wealth of expertise. Her personal attention to detail coupled with a renowned background in the industry helps her consistently facilitate smooth real estate transitions for buyers and sellers. Phyllis specializes in relocating professionals to the Philadelphia area, helping owners find their next dream home, coaching first-time buyers through the purchase process, and uncovering the next great deal for investors. She is a member of Philadelphia’s and Pennsylvania’s Board of Realtors, and a former member of the Center City Zoning Board. She is an accredited luxury home specialist and the proud recipient of the Real Estate Agent 5 Star award from 2011 to 2017 by Philadelphia Magazine. Her market insight spans from the Rittenhouse Square market all the way down to the Jersey Shore, making her a true guru for Greater Philadelphia.

Scott Hickman

Licensed REALTOR® contact Scott

As a residential interior designer for more than two decades, most of them as a principal of his own design firm, Scott has honed his expertise in helping people find and create their place in the world. He frequently travels the globe to enhance his knowledge of contemporary design trends and varying quality lifestyles. This combined with his extensive studies in architecture, Scott can smartly evaluate the full range of homes available in the Philadelphia region, from the most traditional to the latest in contemporary design. A resident of Rittenhouse Square for over 15 years, Scott has an in depth knowledge and appreciation for the quality of Center City living. He marries his wide range of experiences with a warm and engaging personality offering consistent dedication and diligence in handling the challenges of buying and selling for each of his clients.

Testimonials

We met Scott through an Open House that he was hosting at a different home nearby the one we ended up purchasing. Even though we were not the right buyer for said property, we knew right away that we had found the right agent. Scott then showed us the home we did end up buying and the rest is  history! There was an instant connection for us as Scott knew the area so well, has a fabulous eye for design and is so friendly. He helped us see things in our home that we could not have imagined. But with his expertise and guidance, all of the pieces fell into place. Scott was so diligent in the sales process and the rapid communication was paramount to execute this deal smoothly. We can not recommend Scott more, you should work with him if you have the opportunity!!

Christer Andresen

From the beginning, Scott was able to share his confidence with me as a first time home buyer. He outlined the process, kept in constant communication with me, and worked me into getting the best possible outcome for my needs. Even after the closing, Scott will provide you with any help needed  whether it is insight or design ideas. With his knowledgeability and kindness, I hope to work with Scott in the future and continue to be thankful for his friendship. Highly recommended

Cody Ratcliffe

Scott was excellent in helping us sell our Center City Coop Apartment. He and his team at Berkshire Hathaway Fox & Roach did a splendid job of photographing the unit, and them of displaying the photos both on their proprietary site, and in local magazines, thereby reaching a broad spectrum of  potential buyers. He was diligent in running open houses and made sure all prospects saw the unit according to their schedules. He managed the paperwork when the offers came, and the closing went smoothly. His knowledge of the building and the area added to his ability to convince the buyer that this should be their new home.

Larry Gilberti

Scott was fantastic to work with. His knowledge of the market and numerous connections are an incredible asset. This skill set combined with his wonderful personality made the process of selling my home much easier than anticipated. I would recommend Scott to any prospective buyer without  reservation.

Dr. Richard Scafidi

Kay McGrath

Licensed REALTOR® contact Kay

Kay’s enthusiasm combined with an unparalleled knowledge of Philadelphia are a boon to buyers and sellers. With prior experience working for a local luxury real estate developer and for the City of Philadelphia’s marketing agency Kay is an excellent resource for residential home buyers and sellers. Her intimate knowledge of the local market, her professionalism and her attention to detail help her clients feel comfortable and well-informed throughout their transaction

With an extensive understanding of each neighborhood in Center City, Kay enjoys assisting clients in selecting the perfect home for their lifestyle. Whether she’s guiding out-of-towners to their perfect enclave or collaborating with sellers to make their property stand out in a crowd, clients rave about her resourcefulness, responsiveness and determination. Kay understands that real estate is a deeply personal process, so she’s devoted to giving every client her undivided attention and care.

Testimonials

"Kay recently collaborated with me to sell my home. She was fantastic. During the selling process, I was actually living across the country, so it was challenging for me to complete all of the activities needed to sell a home. She went above and beyond my expectations in supporting me through the process. Kay was extremely proactive in obtaining contractors to clean, stage and complete fixes in the house. She was extremely knowledgeable about every step of the process. I am truly thankful that I was able to work with her."

Turhan W

We recently settled on our Passyunk Square investment property and couldn't be happier. We were new to the Philadelphia housing market.  Kay McGrath helped us find the perfect place - location, size, cost, etc.  She was patient, responsive and detailed oriented.  She listened to our needs, and   made appropriate suggestions and recommendations.  Kay  used her in-depth knowledge of the city real estate landscape to help us explore each of the unique neighborhoods around center city before we ultimately zeroed in on the Passyunk area.  When we finally selected a property, it required quite a bit of negotiation and Kay was there every step of the way guiding us through the process.  If you're looking for a real estate professional in Philadelphia - Kay McGrath would be our recommended choice!

Frank Perpiglia

Kay was amazing to work with. Always was attentive to what I was looking for and took many hours out of her weekends to accommodate the house search. She was also amazing at facilitating the deal and helping us get to closing. She answered all my questions and was a great resource throughout the whole process. She is highly recommended in my book!

Justin Chung​

I was a first time home buyer and Kay was the perfect agent to help me during the process! She was very knowledge on the area I was looking to purchase and would send me homes she thought I would be interested in as soon as they hit the market. Kay stuck to my budget when sending me properties. Kay was very easy to connect and was always available any date or time I needed her assistance. She was also very prompt in setting up showings and appointments and worked around my schedule. Once I found my home Kay was able to negotiate with the sellers to make sure I was getting my home at the best price possible. She took care of all documents and explained everything to me before proceeding. I highly recommend Kay!

Brieanne Urian​

Fred Manfred

Licensed REALTOR® contact Fred

Named a Five Star Real Estate Agent by Philadelphia Magazine Fred has been selling residential real estate in Center City for 14 years following a long and distinguished career in international sales and marketing for high-tech firms. Fred admits that he finds guiding people through the buying or selling process much more rewarding. To Fred, real estate has never felt like a job. It is his lifestyle – he never gets tired of helping people find their place in the world.

Beyond his success as an agent, Fred is also a Master Gardener. He is dedicated to spreading awareness about gardening, its many challenges along with its rewards including beauty, environmental consciousness and the importance of nature’s balance. Fred holds positions on the Bambridge Green Project Board and Washington Square Park Committee where he volunteers his time and services to the maintaining city parks and conducts annual fundraising events. He chaired the Washington Square Affair, raising over $80,000 for the maintenance, beautification and restoration of the park.

Testimonials

When my wife, Deborah, and I decided to relocate to Philadelphia we used the open house convention to interview potential buyer agents. When we met Fred Manfred we liked his straight forward communication, market knowledge and enthusiasm for Center City real estate. Fred proved to be everything we anticipated and more. He took the time to thoroughly explain the processes (and costs) of purchasing real estate in Philadelphia. He used spreadsheets to organize market data in a way easy for Deborah and I to quickly become acquainted with local market values. And finally, Fred proved to be an effective negotiator, our appraisal returned almost 5% higher than our purchase price. Since moving into our new home we have referred other friends and colleagues to Fred and who have expressed similar levels of satisfaction. It is with great pleasure that we offer this endorsement of Fred Manfred.

Benito Cachinero

I wanted to finally put into writing what Tom and I have been feeling over the past year or so. Thank you so very much for helping us find our beautiful home in Society Hill. You are truly a gem. Thank you for keeping our best interests at heart and going above and beyond in representing them. We always felt as though we were your only clients. You were incredibly professional and communicative; always accessible by phone or email and were always willing to show us another property, or six. Your orchestration of the process and network of professionals in home inspection, repair, escrow, mortgage, etc. made the entire thing seamless. We honestly don’t think we could have done it without you! Fred, you are a person of excellent character and great integrity; I consider you a dear friend.

Betsy Messina and Thomas Macphee

Fred represented us on both the purchase of our new home and the sale of our old home. We initially met Fred at an open house, and he followed up with us when he learned of a property that he thought would meet our needs. We looked at houses with Fred for more than one year. Fred encouraged us, gently but persistently, to see a house that we thought was not within all of our specifications. When we finally went to see it, it was clear that it was the perfect house for us. The purchase of the house was complicated, involving an estate, multiple heirs, and law firms. Fred was very effective in representing our interests to the sellers' agent and counsel, and kept the process moving even while we were traveling. He was also helpful in negotiating inspection contingencies and time frames. Further, in selling our prior house, Fred worked hard to market the property, hold open houses, and follow up with potential buyers. He also was flexible in attending closing on our behalf, even when closing was delayed multiple times. Fred has a deep knowledge of Philadelphia real estate, and we would recommend him highly to anyone looking to buy or sell here.

Jenna McNeill

Fred has always, in all of my dealings, been extremely professional, efficient, considerate, and helpful. I thank you for all of that, and for being so sensitive to our circumstances.  

Gail Solomon

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