Mark Seiden was born to become a real estate leader and professional coach. As a graduate of Cornell University with post-graduate credentials from the University of California–Berkeley, he began his career in 1993 at Lois Seiden Real Estate of Westchester County, New York, and was the agency’s top agent each year until it was sold in 1997. He continued his ascent by earning a position as the Number 1 Agent for all of Westchester County at Coldwell Banker Residential Brokerage for five consecutive years (1997-2002). In 2003, he founded Mark J. Seiden Real Estate, Inc., rebranding it as the Mark Seiden Real Estate Team in 2008. Since 2004, Mark was and continues to be ranked among the Top 3 Agents for selling single-family homes in all of Westchester/Putnam Counties (over 12,000 agents) — ranking Number 1 in 2008, 2014 and 2015.
A natural mentor and gifted communicator, Mark and his work have been featured in articles in the New York Times, New York Post, Real Estate In-Depth, Westchester Magazine and numerous other publications. In 2016, Mark was recruited by Verl Workman of Workman Success Systems, who is recognized by Inman as one of the top 25 coaches. Mark’s role is to coach other Realtors, sharing his own experiences so that others may benefit. 2023 proved to be a busy year! Mark received 2 accolades from Westchester Magazine! He was selected as one of Westchester Top Real Estate Agents and his office was voted BEST REAL ESTATE OFFICE!