Prior to reestablishing the Deputy Chair of the Democratic National Committee in  February 2017, Tom Perez served in what position from 2009 to 2013? 
Assistant Attorney General for Civil Rights
Title: Deputy Chair of the Democratic National Committee
Passage: 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.
Title: Debra DeLee
Passage: Debra DeLee (born 1948) was Chair of the Democratic National Committee from 1994 to 1995, and was the second woman to hold the post.  She also served as CEO of the Democratic National Committee.
Title: Tom Perez
Passage: Thomas Edward Perez (born October 7, 1961) is an American Democratic Party politician and attorney who has served as the Chairman of the Democratic National Committee since February 2017.  Perez was the United States Secretary of Labor from 2013 to 2017.  Prior to that he worked as a consumer advocate and civil rights lawyer before serving as the Assistant Attorney General for Civil Rights from 2009 to 2013.
Tom Perez Deputy Chair of the Democratic National Committee