David Chernushenko is an author, speaker, sustainability consultant, documentary filmmaker and former politician in Ontario, Canada. He was elected to the Ottawa City Council in the 2010 municipal election and re-elected for a second term in 2014. He was the former deputy leader and senior deputy to the leader of the Green Party of Canada, and a leadership contestant for that party.

Ottawa City Council is the governing body of the City of Ottawa, Ontario, Canada. It is composed of 24 city councillors and the mayor. The mayor is elected at large, while each councillor represents wards throughout the city. Council members are elected to four-year terms, with the last election being on October 24, 2022. The council meets at Ottawa City Hall in downtown Ottawa. Much of the council's work is done in the standing committees made up of sub-groups of councillors. The decisions made in these committees are presented to the full council and voted upon.