David Emil Neumann (born October 5, 1941) is a politician in the Canadian province of Ontario. He was the mayor of Brantford from 1980 to 1987 and served in the Legislative Assembly of Ontario as a Liberal from 1987 to 1990. After several years out of politics, he was elected as a city councillor for Brantford's fifth ward in the 2010 municipal election. He retired from the Brantford City Council in 2018. Early life and career Neumann was born in Montreal, Quebec, and moved with his family to a dairy farm near Waterford, Ontario, as a child. He earned a degree from McMaster University in Hamilton and worked as a secondary school teacher at Pauline Johnson Collegiate. He later coordinated adult education for his school board and was president of the Brant Ontario Secondary School Teachers Federation (OSSTF). Neumann supported The Waffle and was part of a group of Brantford-area New Democrats who favoured running party candidates at the municipal level. He ran for Brantford's fourth council ward in 1972 and nearly defeated veteran councillor Charles Ward for the second position. Municipal politician Neumann was elected as an alderman for Brantford's fifth ward in 1976 and was re-elected without opposition in 1978. He became the city's mayor in 1980, defeating right-wing candidate Andy Woodburn and incumbent Charles Bowen, and was re-elected without serious opposition in 1982 and 1985. As mayor, Neumann helped expand Mohawk College, negotiated an agreement with Brant County that allowed Brantford to annex five thousands acres of land, concluded an agreement with the Six Nations to construct the Brantford Southern Access Road, and lobbied for the construction of Highway 403 to Ancaster. Neumann was also in office when the city's Market Street was shut down and the unsuccessful Market Square Mall was constructed. He has rejected that suggestion that he was to blame for these developments, noting that he voted against Market Street's closure while on council, that the mall was approved by council as a whole, and that no-one could have predicted the mall's giant Eaton's store would close. As mayor, Neumann served on the board of the Association of Municipalities of Ontario. He joined the Liberals in early 1987. Provincial politician He ran for the Ontario legislature in the 1971 provincial election as a New Democrat, finishing third against Liberal Party leader Robert Nixon in Brant. Neumann was elected to the Ontario legislature for Brantford