Dr Leacock specialize in family medicine. She earned bachelor's degree from City College, and worked as registered nurse for 17 years. She then went on to earn her MD at SUNY Stony Brook in 1994. She held a faculty position at SUNY Buffalo School of Medicine 1997 to 2000.
Born and raised on the south shore of Long Island, Dr Leacock has been a Manhattan resident for the past 30 years.