After university in 1953, Mao taught at the Water Conservancy Department of Hebei Agricultural University, two years later he moved to Wuhan Institute of Water Resources (now College of Water Resources and Hydropower, Wuhan University), where he was later appointed professor in July 2000.[3] He joined the Chinese Communist Party (CCP) in 1988.[3]
On 13 January 2023, Mao died in Wuhan, Hubei, at the age of 90.[3]