Paul Massey was born in Boston, Massachusetts where he attended the Roxbury Latin School. He graduated from Colgate University with a Bachelor of Arts degree in Economics, in 1983.

Mr. Massey began his career at CBRE and soon became head of the market research department in Midtown Manhattan, then as an investment sales broker.

He founded Massey Knakal Realty Services together with his colleague Robert A. Knakal, whom he met at CBRE. The company became the New York metropolitan area’s dominant commercial investment sales brokerage firm. With over 225 employees serving more than 200,000 property owners, Massey Knakal Realty Services was consistently ranked New York’s #1 investment sales firm in volume for 14 consecutive years.

As CEO of Massey Knakal, he led the development of the firm’s strategic initiatives including geographic expansion as well as the growth of the firm’s service lines. At the end of 2014, Cushman & Wakefield acquired Massey Knakal and Mr. Massey was appointed President, New York Investment Sales.

In 2017, Paul Massey ran as a Mayoral Candidate for New York City, primarily focusing on education, housing and homelessness while also providing solutions for how to improve quality of life in the city.

In July 2018, Mr. Massey and his partners launched a new commercial brokerage firm, B6 Real Estate Advisors, short for “Building By Building, Block By Block”. The investment sales and capital advisory firm specializes in middle-market ($1-$200 million). The firm employs a distinct Territory Network model, that ensures sub-market expertise for its agents along with an owner-aligned philosophy and a technology-forward platform.

Mr. Massey is a member of numerous organizations including REBNY and The Lower East Side Tenement Museum. He is also an amateur boxer and an avid skier.  He and his wife, Gretchen, have three children; son, Paul III, and daughters, Sarah and Greta. He resides in Larchmont, NY.

Konstantinos Soulios is a Senior Associate at B6 Real Estate Advisors, where he works alongside his mentor and close friend Alex Woodlief, specializing in Manhattan’s investment sales market.

Konstantinos has developed deep expertise in underwriting complex development sites, rent-regulated assets, and office buildings. His work often centers on identifying an asset’s highest and best use by analyzing zoning potential, regulatory constraints, and market dynamics – enabling clients to unlock value and make informed, data-driven strategic decisions.

In parallel with his work in New York, Konstantinos owns and manages a private real estate portfolio in Athens, Greece. Prior to joining B6, Konstantinos was an Analyst at a Private Equity fund investing in industrials, manufacturing, and B2B soft services sectors, where he contributed to investment valuations, deal structuring, and portfolio management strategies.

Konstantinos holds a Master of Science in Finance, with a focus on real estate and urban development, from Baruch College’s Zicklin School of Business, where he graduated top of his class with honors. While at Baruch, he contributed to the college’s research center, focusing on the intersection of climate risk and financial performance.

Born and raised in Athens, Greece, Konstantinos earned his bachelor’s degree in Financial and Banking Management from the University of Piraeus and began his career as a Financial Consultant at ICAP Group. Before relocating to New York in 2023, he served as a Master Sergeant in the Greek military’s armored tank division, stationed in Cyprus.

Yoram Ohebsion serves as a Director of Investment Sales at B6 Real Estate Advisors in New York City. He specializes in multifamily, mixed-use, and development site transactions across Manhattan’s Upper East Side.

Known for his hands-on approach, Yoram works closely with families and long-term private owners to craft thoughtful, customized exit strategies. His deep understanding of ownership goals, paired with expertise in tax-efficient solutions like 1031 exchanges, helps clients maximize sale outcomes while aligning with their future lifestyle plans.

Yoram leads every deal with a data-driven mindset, leveraging sharp market intelligence to every deal. By closely tracking buyer behavior and acquisition trends, he delivers unmatched asset-level insights, a nuanced understanding of value, and exceptional negotiation skills that consistently drive successful results.

Outside of work, Yoram enjoys raising his two sons, spending quality time with family, cooking, photography, and experimenting with the latest tech gadgets.