Lanhee Joseph Chen (Chinese: 陳仁宜; pinyin: Chén Rényí /ˈlænhiː tʃɛn/) is an American policy advisor, lawyer, and academic. Chen serves as the David and Diane Steffy Fellow in American Public Policy Studies at the Hoover Institution,[3] director of domestic policy studies and lecturer in the public policy program at Stanford University and lecturer in law at Stanford Law School.
Chen was the policy director for the 2012 Mitt Romney presidential campaign and Romney's Chief Policy Adviser. He has been described as the "orchestra leader" behind the Romney 2012 campaign. Romney confidante Beth Myers described Chen as the person Romney relied on "entirely" for policy direction. Chen was also a senior adviser to the 2016 presidential campaign of Senator Marco Rubio. He has twice been the senior policy adviser to the National Republican Senatorial Committee and is frequently consulted by Senate Republicans for his views on a wide range of policy subjects.