Shaun Donovan

Andrew Harrer/Bloomberg

Shaun Donovan

Government
What he does: U.S. Secretary of Housing & Urban Development
In position since: 2009
Why he is powerful: As HUD Secretary, Donovan sets national housing policy and programs. Through its various agencies, HUD provides mortgage insurance and rental subsidies to lower-income families, develops HUD-insured multifamily housing, and enforces the Federal Fair Housing laws.