Mercy Apondi Obiero born on August 27, 1978, in Nairobi is a Kenyan weightlifter. Obiero's brother introduced her to weightlifting in 1999. Before then, she had played hockey. Alongside Mercy, David competed at the 2002 and 2006 Commonwealth Games. By 2020, Obiero had retired from competition, and became a trainer for one of her daughters and a granddaughter.