In 2010, the same university awarded him a Doctor of Medicine degree, based on his research and thesis on Macrovascular Complications of Diabetes in adults in Botswana.
[1] Dr Onen is a Fellow of the Royal College of Physicians, having been awarded the Fellowship in 2005.
Together, they are the parents of Dr Barbara Lachana Onen, an Internal Medicine Specialist Physician consultant in acute care medicine, and Dennis Lukwiya Onen, a recording artist.
[2] Dr Churchill Onen is the founder and president of Diabetes Association of Botswana.
In the past, he served as Project Manager of MASA, the mass population antiretroviral therapy programme in Botswana, which began in 2002.