Chris Gillis joins The Clinical Group as NYC principal

The Clinical Group added veteran investment sales broker Chris Gillis as a principal on its New York City team on October 9, 2026. The move expands the firm’s push to serve medical real estate clients across Manhattan, the Bronx, Queens, Brooklyn and Long Island.

Why it matters: - The Clinical Group is deepening its New York City bench as healthcare real estate becomes more specialized. - Chris Gillis brings investment sales experience that can help owners, operators, investors and healthcare users navigate transactions and growth decisions. - The hire broadens the firm’s reach across Manhattan, the Bronx, Queens, Brooklyn and Long Island.

What happened: - The Clinical Group named Chris Gillis a principal on its New York City team on October 9, 2026. - The firm has offices in Manhattan, Long Island and Hackensack, New Jersey. - Gillis joins after more than a decade in investment sales and more than $600 million in closed transactions. - The role strengthens The Clinical Group’s advisory platform for medical real estate and clinical growth.

The details: - Jonathan Marks, founder, CEO and managing member of The Clinical Group, said Gillis adds investment sales, brokerage and new development depth to the platform. - Marks said the hire comes as healthcare providers and real estate stakeholders seek more specialized guidance. - Gillis most recently worked at Serhant as an investment sales broker. - At Serhant, Gillis advised on complex real estate deals, including the sale of Greenwich House after 120 years of ownership. - Gillis also appeared on Netflix’s Owning Manhattan, which raised his profile in the New York market. - Earlier in his career, Gillis was a director at Ackman-Ziff and was recognized as an honored rising star. - At Ackman-Ziff, Gillis handled investment sales, capital markets and transaction advisory assignments across the greater New York metropolitan area. - His work there included commercial portfolio and development transactions. - Gillis said The Clinical Group has built a fully integrated platform for medical real estate advisory, investment sales, project management, development and clinical growth services. - Gillis said he plans to help expand that program in New York City and serve physicians, healthcare groups, owners, developers and investors. - The Clinical Group says it serves physicians, medical groups, hospitals, owners, developers and investors across the clinical real estate lifecycle. - The company’s services include practice advisory, tenant and landlord representation, portfolio solutions, investment sales, development and investment capabilities. - The company says clients can lease, buy, sell, build out medical space, build a new facility or invest through the platform. - More information is available at the company’s website.

Between the lines: - The hire signals a push to pair traditional brokerage expertise with a niche healthcare real estate offering. - Gillis’ background in both medical-related and broader commercial transactions may help the firm compete for more complex assignments. - The emphasis on “fully integrated” services suggests The Clinical Group wants to be a one-stop shop for clinical real estate decisions, not just a brokerage.

What's next: - The Clinical Group will likely use Gillis to expand its New York City presence and client coverage. - The firm’s next growth phase appears tied to healthcare real estate advisory, project execution and investment sales. - Gillis is expected to support physicians, healthcare groups, owners and investors seeking specialized real estate solutions.

The bottom line: - The Clinical Group is betting that experienced investment sales talent can accelerate its healthcare-focused real estate platform in New York City.