Commercial Real Estate Brokerage | Call (617) 393 4200

Our Executive Team

Executive Director

Tom Slayton : Executive Director

Tom Slayton

1280 Centre St, Newton, MA 02459
Cell: 617-212-8104

Tom Slayton has over 25 years of experience working directly with people including fourteen years as an owner operator of a successful restaurant in Newton Centre.

He started his real estate career in early 2006 by joining the Boston Development Group (Newton Massachusetts) Sales and Acquisitions team. He spent the next seven years as a Vice President focusing on leasing, selling and managing the eighteen commercial properties owned and operated by the Boston Development Group.

In early 2013 he left to join the Centre Realty Group team as the Director of Commercial Sales and Leasing. Tom specializes in purchasing and leasing medical and restaurant space but has extensive experience working both landlord and tenant sides of commercial real estate transactions. He also brings with him a true knowledge of the office condominium market having sold fifty of them over the past four years.

Vice President

Fred Greene : Vice President

Fred Greene

1280 Centre St, Newton, MA 02459
Cell: 617-592-4511

Fred Greene brings over 25 years of sales and marketing experience from The Boston Globe as a seasoned outside sales & marketing professional. His background in brand management, customer service, relationship building and territory management positions him well as a Commercial Real Estate Professional


Fred has worked the past six years at CRG Commercial and developed solid relationships in the commercial real estate community. He has represented owners and tenant’s commercial needs to successfully close numerous commercial deals. Fred will work diligently and efficiently to deliver successful results for each customer, earning their trust and confidence along the way.


Fred is a lifelong resident from Brookline and Newton with deep ties to the community. Fred is a former Newton North Little League Coach and has volunteered at various local events. Along with his CRG residential agent wife; Patty Greene, they form “The Greene Team”.


The “Greene Team” pledges superior customer service and dedicated personal attention to all you commercial and residential real estate needs.


Fred is currently the commercial Vice President of CRG Commercial working with Director Tom Slayton and owner /broker Jack Foster.


Fred graduated from Brookline High and went on to Cornell University. He received his B.A. degree In English and Economics from The University of Massachusetts. Fred resides in Newton Corner with his wife, Patty and two children.

Vice President

JC Nachtwey : Vice President

JC Nachtwey

1280 Centre St, Newton, MA 02459
Cell: 617-719-2026

John C. Nachtwey (JC) has served the real estate industry since 1978. He presently holds licenses in two states and has been practicing in the Boston area since 1982. Mr. Nachtwey owned and operated his own company from 1985 to 1995, and has expertise in both residential and commercial real estate. He worked at Coldwell Banker from 1997 through 2011 where he was recognized as one of the top 300 Coldwell Banker agents in the country and top 10 Coldwell Banker agents in the state. JC has been with CRG Commercial as a vice president since 2011, and has been one of their top commercial listing agents since coming on board at CRG.

In addition to his active and successful real estate career, John also enjoys a healthy personal life. He has participated in USSA Masters ski racing events, competitive dancing, golf, and swimming. John also gives of himself through his volunteer work. He has volunteered for the Brookline Symphony Orchestra and the Town of Brookline Flag Day Celebration. This great balance of physical conditioning and spiritual awareness allows John Nachtwey to stay focused and goal orientated in his work.

Sales & Leasing Agent

George Haddad : Sales & Leasing Agent

George Haddad

1280 Centre St, Newton, MA 02459
Cell: 617-913-8010

With over 30 years of experience in sales, George Haddad is uniquely qualified to help you identify the best investments in commercial real estate and business ventures as well as in residential real estate. Whether you’re a buyer or a seller, George strives to represent your best interests first to negotiate the best possible price for you as well as agreeable terms to generate win-win propositions.

The abiding elements in the practices of CRG are professionalism and an underlying service ethic. Our professionalism entails high-level technical competence and complete honesty in our dealings. Our service ethic shall entail genuine dedication to our customer’s interests, problems, and concerns. CRG has thousands of buyers, all seeking Profitable Investments.

Sales & Leasing Agent

Kim Clark : Sales & Leasing Agent

Kim Clark

1280 Centre St, Newton, MA 02459
Cell: 617-910-6895

Kim is the consummate salesperson. In fact, she’s been selling most of her life. After College, Kim began her career in Sales and Marketing working at international companies like BBDO in NYC, Spotplus in Dallas as well as Floor Supervisor at COMEX/MERC in NYC, National Sales Mgr for FOX and Dir. of New Business at NBC/Albany, NY. She worked with clients on every level from National, Regional and local markets and she made the industry leap to Real Estate in early 2017 to CRG Realty Group based in Newton and Brighton.

Her passion is delivering on the promise, negotiating the best deal and greatest ROI for all her clients. She joins the CRG Commercial team in 2017 and her focus will be retail, office, medical and investments. She has made a commitment to real estate education and always has time for your referrals. In her spare time, Kim is a member of the Jackson Mann Community & School Board in Allston, member of the BNI Platinum Group in Boston and is watching her daughter grow and learn at Boston College in the Pre-med field.

© 2013 CRG Commercial.