 That same year Koch also named him to the 15-person New York City Charter Revision Commission, formed in response to a federal court ruling that found the structure of the city's government, specifically its Board of Estimate, unconstitutional.In 1988 Koch named O'Hare the first chairman of the city's five-person Campaign Finance Board, which oversaw the public financing of municipal elections, allocating funds to candidates who agreed to adhere to restrictions designed to make candidates independent of large contributors.His reappointment in 1993 became the focus of a dispute between Mayor David Dinkins and his successor Rudolph Giuliani.