[PAR] [TLE] Michelle Obama [SEP] Michelle LaVaughn Robinson Obama (born January 17, 1964) is an American lawyer and writer who was First Lady of the United States from 2009 to 2017.  She is married to the 44th President of the United States, Barack Obama, and is the first African-American First Lady.  Raised on the South Side of Chicago, Illinois, Obama is a graduate of Princeton University and Harvard Law School, and spent her early legal career working at the law firm Sidley Austin, where she met her husband.  She subsequently worked as the Associate Dean of Student Services at the University of Chicago and the Vice President for Community and External Affairs of the University of Chicago Medical Center.  Barack and Michelle married in 1992 and have two daughters. [PAR] [TLE] Tina Tchen [SEP] Christina M. "Tina" Tchen (, pinyin: Chén Yuǎnměi) (born January 25, 1956) is an American lawyer.  From 2011 until 2017, she served as Assistant to President Barack Obama; Chief of Staff to First Lady Michelle Obama; and Executive Director of the White House Council on Women and Girls.  From the date of Obama's inauguration until January 5, 2011, she was the Director of the White House Office of Public Engagement, previously known as the Office of Public Liaison.
[PAR] [TLE] Michelle Obama [ SEP ] Michelle LaVaughn Robinson Obama ( born January 17 , 1964 ) is an American lawyer and writer who was First Lady of the United States from 2009 to 2017 . She is married to the 44th President of the United States , Barack Obama , and is the first African - American First Lady . Raised on the South Side of Chicago , Illinois , Obama is a graduate of Princeton University and Harvard Law School , and spent her early legal career working at the law firm Sidley Austin , where she met her husband . She subsequently worked as the Associate Dean of Student Services at the University of Chicago and the Vice President for Community and External Affairs of the University of Chicago Medical Center . Barack and Michelle married in 1992 and have two daughters . [PAR] [TLE] Tina Tchen [ SEP ] Christina M. " Tina " Tchen ( , pinyin : Chén Yuǎnměi ) ( born January 25 , 1956 ) is an American lawyer . From 2011 until 2017 , she served as Assistant to President Barack Obama ; Chief of Staff to First Lady Michelle Obama ; and Executive Director of the White House Council on Women and Girls . From the date of Obama 's inauguration until January 5 , 2011 , she was the Director of the White House Office of Public Engagement , previously known as the Office of Public Liaison .
Who had Tina Tchen as a Chief of Staff and started her early legal career working at the law firm Sidley Austin?
Who had Tina Tchen as a Chief of Staff and started her early legal career working at the law firm Sidley Austin ?
Michelle Obama
Michelle Obama