Question: Prior to reestablishing the Deputy Chair of the Democratic National Committee in  February 2017, Tom Perez served in what position from 2009 to 2013? 
Sentence (from "Deputy Chair of the Democratic National Committee"): The Deputy Chair of the Democratic National Committee is a position within the United States Democratic Party that was re-established by Tom Perez in February 2017 after the 2017 DNC Chair race, won by Perez.
Relevant evidence: Yes