 Prior to that, he served in the capacity of Secretary to the Majority Conference and Chairman of the Subcommittee for Outreach and Oversight of Senior Citizen Programs.On November 3, 2009, Mark Weprin was elected to represent the 23rd district of the New York City Council, which encompasses a large portion of North Eastern Queens, replacing his brother David Weprin, who had chosen to run for Comptroller instead of reelection to the City Council, but lost the Democratic primary election.In May 2015, Mark Weprin announced that he will resign from his position on the New York City Council to become a Federal and State legislative 
deal- breaker for the Cuomo Administration.