Harrison Sitomer serves as President and Chief Investment Officer of SL Green Realty Corp., New York City’s largest commercial office landlord and one of the nation’s leading real estate investment trusts. Mr. Sitomer oversees the Company’s investment platform, with responsibility for acquisitions, dispositions, financings, joint ventures, and debt and preferred equity investments, working closely with the executive leadership team to guide the Company’s strategic direction and long-term growth.
Mr. Sitomer has spent his entire career at SL Green, first as an intern in 2011 and subsequently taking his first full-time position with the Company in 2012 after graduating from the University of Pennsylvania. Beginning as an intern and rising through the ranks to senior leadership, he has played a central role in shaping and expanding the Company’s investment capabilities.
Under his leadership as Chief Investment Officer, the Company identified new sources of domestic and foreign capital, launched a $1.3 billion discretionary debt fund, expanded the nation’s leading SASB special servicing platform and further developed its asset management business, strengthening and diversifying the firm’s revenue streams.
Mr. Sitomer spearheaded the launch of the Food1st Foundation, a 501 (c)(3) established by SL Green at the outset of the COVID-19 pandemic. Food1st has raised more than $5 million and delivered over 1,000,000 meals across New York City, supporting communities in need while helping to reactivate more than 35 local kitchens and food service operators.
Mr. Sitomer serves on the Board of Advisors for the Mayor’s Fund to Advance New York City and on the Board of Directors of the American Friends of the Rabin Medical Center. He is also a member of the David Rockefeller Fellowship Program and the Milken Institute Young Leaders Circle.
What is Harrison Sitomer's net worth?
The estimated net worth of Harrison Sitomer is at least $7.77 million as of August 20th, 2026. Mr. Sitomer owns 132,581 shares of SL Green Realty stock worth more than $7,766,595 as of August 25th. This net worth approximation does not reflect any other assets that Mr. Sitomer may own. Learn More about Harrison Sitomer's net worth.
How do I contact Harrison Sitomer?
Has Harrison Sitomer been buying or selling shares of SL Green Realty?
During the past quarter, Harrison Sitomer has sold $2,322,078.47 in SL Green Realty stock. Most recently, Harrison Sitomer sold 23,113 shares of the business's stock in a transaction on Friday, August 21st. The shares were sold at an average price of $57.71, for a transaction totalling $1,333,851.23. Following the completion of the sale, the insider now directly owns 109,468 shares of the company's stock, valued at $6,317,398.28. Learn More on Harrison Sitomer's trading history.
Who are SL Green Realty's active insiders?
SL Green Realty's insider roster includes John Alschuler, Jr. (Director), Betsy Atkins (Director), Edwin Burton, III (Director), Matthew DiLiberto (CFO), Craig Hatkoff (Director), Marc Holliday (Chairman & CEO), Andrew Levine (Chief Legal Officer), Andrew Mathias (President), and Harrison Sitomer (President & Chief Investment Officer). Learn More on SL Green Realty's active insiders.
Are insiders buying or selling shares of SL Green Realty?
In the last year, insiders at the real estate investment trust sold shares 5 times. They sold a total of 64,653 shares worth more than $3,435,483.11. The most recent insider tranaction occured on August, 21st when insider Harrison Sitomer sold 23,113 shares worth more than $1,333,851.23. Insiders at SL Green Realty own 5.9% of the company.
Learn More about insider trades at SL Green Realty. Information on this page was last updated on 8/21/2026.
