Greg Patterson was raised in Arizona and graduated from the University of Arizona's Accounting program in 1985. Greg is a CPA and worked for Coopers and Lybrand and as an accounting teacher.
In 1990 Greg was elected to the Arizona House of Representatives. He served on the Appropriations and Natural Resources Committees, and he went on to chair the House Government Operations Committee. He later Chaired the House Banking and Insurance Committee.
In 1995, Greg was appointed by then Governor Symington as Director of the Residential Utility Consumer Office (RUCO). In his capacity as RUCO director, Greg participated in over 100 rate proceedings before the Arizona Corporation Commission and negotiated the electric competition settlements on behalf of residential consumers
During his RUCO tenure, Greg also worked as a consultant for the World Bank and The United States Agency for International Development (USAID). He lectured on various utility-regulation topics in Zambia, Tanzania and Albania and Egypt
In 1999, Greg left RUCO and accepted a position as Chief of Staff of the Arizona State Senate. In 2001, Greg became the Director of the Arizona Competitive Power Alliance.
Greg has been married to Debbie Patterson for 21 years. They have 3 children.