Given the question: - president is barack obama    - successor is daniel poneman -lrb- acting -rrb-    - party is democratic    - deputy is daniel poneman    - predecessor is samuel bodman    - office is 12th united states secretary of energy      - term end is april 22 , 2013    - term start is january 21 , 2009    - birth date is 28 february 1948      - image is 225px    - birth place is st. louis , missouri , u.s.    - alma mater is university of rochester university of california , berkeley    Given the details above, guess who could this information be about.
The answer is:
steven chu