Senator, United States Senate, 2010-present

Candidate, United States Senate, Delaware, 2020

County Executive, New Castle County, 2005-2010

President, New Castle County Council, 2001-2005

Member, Committee on Appropriations

Member, Committee on Foreign Relations

Member, Committee on Small Business and Entrepreneurship

Member, Committee on the Judiciary

Chair, Select Committee on Ethics

Member, Subcommittee on Africa and Global Health Policy

Member, Subcommittee on Antitrust, Competition Policy and Consumer Rights

Member, Subcommittee on Border Security and Immigration

Member, Subcommittee on Commerce, Justice, Science, and Related Agencies

Member, Subcommittee on Criminal Justice and Counterterrorism

Member, Subcommittee on East Asia, The Pacific, and International Cybersecurity Policy

Member, Subcommittee on Energy and Water Development

Member, Subcommittee on Financial Services and General Government

Chair, Subcommittee on Intellectual Property

Member, Subcommittee on Military Construction, Veterans Affairs, and Related Agencies

Member, Subcommittee on Multilateral International Development, Multilateral Institutions, and International Economic, Energy, and Environmental Policy

Member, Subcommittee on Privacy, Technology, and the Law

Member, Subcommittee on State Department and USAID Management, International Operations, and Bilateral International Development

Chair, Subcommittee on State, Foreign Operations, and Related Programs

Member, Subcommittee on Transportation, Housing and Urban Development, and Related Agencies

Member, Bicameral Congressional AIDS Caucus

Member, Cloud Task Force, Congressional High Tech Caucus

Member, Congressional Bicameral High-Speed & Intercity Passenger Rail Caucus

Member, Congressional International Anti-Piracy Caucus

Member, Malaria Working Group

Former Member, Multilateral International Development, Multilateral Institutions, and International Economic, Energy, and Environmental Policy Subcommittee, United States Senate

Member, National Service Congressional Caucus

Former Member, Oversight, Agency Action, Federal Rights and Federal Courts Subcommittee, United States Senate

Former Ranking Member, Privacy, Technology and the Law Subcommittee, United States Senate

Member, Senate Air Force Caucus

Co-Chair, Senate Chicken Caucus

Member, Senate Diabetes Caucus

Member, Senate France Caucus

Co-Chair, Senate Fuel Cell and Hydrogen Caucus

Member, Senate Global Internet Freedom Caucus

Member, Senate India Caucus

Founder and Co-Chair, Senate Law Enforcement Caucus

Member, Senate Manufacturing Caucus

Member, Senate National Guard Caucus

Member, Senate Oceans Caucus

Member, Senate Recycling Caucus

Member, Senate Renewables and Energy Efficiency Caucus

Member, Senate Small Brewers Caucus

Member, Senate Veterans Jobs Caucus

Former Member, State Department and USAID Management, International Operations, and Bilateral International Development Subcommittee, United States Senate

Former Member, Subcommittee on Antitrust, Competition Policy and Consumer Rights, United States Senate

Former Member, Subcommittee on East Asia, The Pacific, and International Cybersecurity Policy, United States Senate

Former Member, Subcommittee on Europe and Regional Security Cooperation

Former Ranking Member, Subcommittee on Financial Services and General Government, United States Senate

Law Clerk, Judge Jane Richards Roth, United States 3rd Circuit Court of Appeals

Attorney, W.L. Gore and Associates

Member, "I Have a Dream" Foundation

Board Member, Bear/Glasgow Boys and Girls Club

Member, Council for the Homeless

Board Member, Delaware College of Art and Design

Board Member, First State Innovation

Member, Investor Responsibility Research Center

Member, National Coalition for the Homeless

Member, South African Council of Churches