Sidney Kostogiannis

Since joining Rockwell Commercial Real Estate, Brokerage in 2022, Sidney has brought a fresh perspective and strong business sense to our team.

With a background in business from St. Lawrence College and early exposure to the commercial real estate world, she’s quickly growing her career and supporting clients across leasing and investment opportunities.
Whether she’s on a walkthrough or keeping pace with market trends, Sidney approaches every file with focus and drive.

Outside of the office, you’ll find her riding horses, at a concert, or spending time with her puppy, Oliver