Allman became president of SoCalGas in March 2010. Previously, Allman served as president and CEO of Sempra Generation, overseeing the operation of merchant power plants throughout North America. Allman has spearheaded the development of several groundbreaking renewable energy projects, including the country’s largest solar photovoltaic plant in Boulder City, Nevada.

From 1998 to 2008, Allman held leadership positions with Sempra Energy and its subsidiaries, including chief financial officer of Sempra Global, the umbrella organization for Sempra Energy’s businesses operating in competitive energy markets, president of Sempra Technology Ventures, vice president of corporate planning and development and vice president of audit services.

Prior to joining Sempra Energy in 1998, Allman was responsible for marketing and delivering consulting projects to corporate clients of the Los Angeles office of LEK/Alcar, a strategic and financial consulting-services firm. Allman joined the Alcar Group in 1987 in Chicago, and was later assigned to Johannesburg, London and Los Angeles throughout his tenure with the company.

Allman has a master’s degree in business administration from the University of Chicago Graduate School of Business and a bachelor’s degree in chemical engineering from Michigan State University. He is a Certified Management Accountant and a Certified Internal Auditor. He serves on the Board of Directors of the American Gas Association, Los Angeles World Affairs Council, California Chamber of Commerce and the Los Angeles YMCA.