In the private sector, she worked as a lawyer at Reed Smith and Squire Patton Boggs. Singh served as the Deputy Assistant Secretary in the Bureau of Economic, Energy and Business Affairs during the Bush Administration. In addition, she was an Executive Director at J.P. Morgan Chase &amp; Co. in the International Government Relations group. Manisha Singh was designated Acting Under Secretary of State for Economic Growth, Energy, and the Environment Shield Ombudsperson by the President in September 2018. She also serves as the Foreign Affairs Sous Sherpa for the 45th G7 summit.