He was born on April 5, 1967 in Battambang, Cambodia, to parents, Fou Yam and Chhor Chao. He immigrated from Cambodia as a teenager and settled in California. Later in his life, he moved to Pennsylvania, where he resided with his wife and three daughters. He was an entrepreneur with many successful businesses. He enjoyed spending time with his family, biking, cooking and baking.
Kokmoeng is survived by his wife, Jessica Yam; children Lindsey, Kaylee, Lilly; siblings Warren Yam, Say Yam, Lang Yen, Chan Yam, Cindy Yam; and many nieces and nephews.
A viewing is scheduled for Friday, October 4 at Lamb Funeral Home (101 Byberry Road, Huntingdon Valley, PA 19006). The funeral service will be held at Lamb Funeral Home on Saturday, October 5, at 9:00am, followed by interment at Hillside Cemetery (2556 Susquehanna Road, Roslyn, PA 19001).