The Michigan Public Service Commission is composed of three members appointed by the Governor with the advice and consent of the Senate. Commissioners are appointed to serve staggered six-year terms. No more than two Commissioners may represent the same political party. One commissioner is designated as chairman by the Governor.

John D. Quackenbush, Chairman John D. Quackenbush was appointed by Governor Rick Snyder to serve as Chairman of the Michigan Public Service Commission on Sept. 15, 2011. His term ends July 2, 2017. Prior to his appointment, Chairman Quackenbush worked for UBS Global Asset Management for 10 years, most recently as managing director and senior investment analyst responsible for equity research for the transportation, utilities and coal industries in the U.S. and Canada. He previously worked as manager of the Sprint Corporation Treasury department and Sprint Corporation Local Telecom Division. Before that, he served in several senior financial analyst roles with the Illinois Commerce Commission. Chairman Quackenbush was named a Top Gun U.S. Industrials Investment Mind in 2011 by Brendan Wood International. He earned certification as a Chartered Financial Analyst (CFA) in 1993 and is a member of the CFA Institute and CFA Society of Chicago. He previously served as a board member of the Society of Utility and Regulatory Financial Analysts. He earned a bachelor's degree in business economics from Calvin College and a master of business administration degree with a concentration in finance from Michigan State University. Chairman Quackenbush is a member of the National Association of Regulatory Utility Commissioners and serves on several committees including the Committee on Gas and the Committee on Consumer Affairs. Chairman Quackenbush is also a member of the Advisory Council for Utilities 2020.

Orjiakor N. Isiogu, Commissioner Orjiakor N. Isiogu was appointed by Governor Jennifer M. Granholm to the Michigan Public Service Commission (Commission) on September 9, 2007. His term ends July 2, 2013. Mr. Isiogu served as Chairman of the Commission from the time of his appointment through October 2011. Commissioner Isiogu has over two decades of experience in public service and the regulation of public utilities and telecommunications services. Prior to his appointment, he served as the Director of the Telecommunications Division of the Commission. In this role, Mr. Isiogu oversaw the implementation of transformational state legislation as well as state and federal regulatory orders designed to facilitate increased competition in the telecommunications market. As Director of the Telecommunications Division, Mr. Isiogu advised the Commissioners in all activities relating to the regulation of basic local telephone services, emergency 9-1-1 service, telephone service for the speech and hearing impaired and all other state and federal regulatory requirements. In addition, Mr. Isiogu was responsible for the administration of the historic Michigan Children's Protection Registry Act and the Uniform Video Services Local Franchise Act. Prior to serving as Director of the Telecommunications Division, Mr. Isiogu was an Assistant Attorney General in the Special Litigation Division of the Michigan Attorney General's office where he served since 1989. While at the Special Litigation Division, Mr. Isiogu advocated on behalf of the Attorney General before the Michigan Public Service Commission, the Federal Communications Commission, and federal and state trial and appellate courts. While at the Attorney General's office, Mr. Isiogu worked under three Attorneys General and served on the Litigation Advisory Board. As an Assistant Attorney General, Mr. Isiogu represented the state, its agencies as well as the consumer interests in state and federal proceedings involving utilities such as natural gas, electric and telecommunications. Commissioner Isiogu has represented United States Energy Regulators at major international conferences in Africa and Europe. He is Co-Chair of the Smart Response Collaborative effort between the Federal Energy Regulatory Commission (FERC) and the National Association of Regulatory Utility Commissioners (NARUC), and also served as Co-Chair of NARUC's White House Smart Grid Working Group. Mr. Isiogu is Co-Vice Chair of the NARUC Committee on Telecommunications and is a member of the International Relations Committee. Mr. Isiogu convened the Michigan Plug-In Vehicle Preparedness Taskforce in an effort to bring together the knowledge and expertise of a very diverse team of stakeholders to discuss and plan for the seamless customer experience and acceptance of Plug-In Electric Vehicles (PEV) in the state of Michigan. Commissioner Isiogu serves as a member of the Federal Communications Commission (FCC) Federal-State Joint Board on Jurisdictional Separations and the Board of Directors of the Organization of MISO States (OMS). Additionally, Commissioner Isiogu serves as Secretary of the Mid-America Regulatory Conference (MARC) and as Chair of the NARUC Presidential Task Force on Federalism and Telecommunications. Mr. Isiogu earned his law degree from Wayne State University Law School, where he was Editor-in-Chief, Moot Court, and holds an undergraduate degree in political science from Wayne State University. He served as the Chair of the City of Lansing Ethics Board as well as a board member of the Lansing Educational Advancement Foundation. Mr. Isiogu is admitted to practice in all Michigan courts, Eastern and Western Division of Michigan Federal District Court and the United States Court of Appeals for the 6th Circuit.

Greg R. White, Commissioner Greg R. White was appointed by Governor Jennifer M. Granholm to serve on the Michigan Public Service Commission (MPSC) on December 4, 2009. His term ends July 2, 2015. Prior to his appointment, Commissioner White served as the Legislative Liaison for the Michigan Public Service Commission and as Liaison for the MPSC to the Michigan Department of Energy, Labor, & Economic Growth (DELEG). In this dual role, he represented the MPSC before the Michigan Legislature and the U.S. Congress on matters related primarily to energy, utilities, telecommunications, and the motor carrier industries, and also worked between the Executive Office of DELEG and its Bureau of Energy Systems and the MPSC on matters related to energy and energy utilities. Previously, Commissioner White served as an Executive Assistant to MPSC Commissioner Robert B. Nelson and to Commissioner John C. Shea. He also served as Special Assistant to Commission Chairman John G. Strand, focusing primarily on nuclear issues. Prior to moving into the Commissioner's office, he served on the Commission's policy staff working on issues in all utility sectors, primarily managing congressional, and federal relations for the Commission. Commissioner White has spent the majority of his professional career in the areas of energy and telecommunications policy and has worked in the fields of electricity supply, nuclear issues, renewable energy development, and oil and gas development at the MPSC, the Michigan Energy Administration, and the Michigan Geological Survey. He also has held the position of Associate Director at the Institute of Public Utilities at Michigan State University. Commissioner White has provided expert testimony on matters concerning energy supply, energy utilities, nuclear power, and telecommunications before the U.S. Congress, U.S. Nuclear Regulatory Commission, the U.S. Nuclear Waste Technical Review Board, and the Michigan Legislature. Commissioner White is a member of the National Association of Regulatory Utility Commissioners and serves on several committees, including the Committee on Electricity, the Committee on Critical Infrastructure, the Subcommittee on Nuclear Issues - Waste Disposal (Chair), and the Subcommittee on Utility Marketplace Access. In addition, Commissioner White sits on the Board of Directors of the Organization of PJM States, Inc., and is a member of the Eastern Interconnection States Planning Council. Mr. White holds a bachelor of science degree from Michigan State University and a master's of public administration from Grand Valley State University.