John C. Cinosky is a real estate industry executive and broker. Since 1995, he has worked at the brokerage services subsidiary of Atco Properties & Management, a family-run, New York City-based development firm. As of 2015, he was president of Atco Brokerage Services. Earlier in his career Cinosky worked as a credit manager at a clothing manufacturer and from 1989 to 1995, he founded, owned, and operated two bicycle sale and repair shops. He is a member of the Young Mens/Womens Real Estate Association. MK