Kosilov is a proud husband and father. In his personal time, he is part of the NYPD boxing team where he has competed in matches and later became a boxing manager, training winning fighters who later became professionals. More recently, Kosilov took on the sport of golfing and he is part of Ronald Mcdonald’s volunteers for the annual golf outings held in Westchester County NY. He has also sponsored local baseball teams in the Dominican Republic. Recently the Finest Home Buyers volunteered at a local children’s hospital in Santiago DR, bringing hope,medical donations and prayer for the local children.