Rob Martinovich is chief operating officer of ONEOK, where he is responsible for ONEOK’s distribution and energy services operating segments, as well as the company’s environmental, safety and health, and technical services organizations. He was previously president of ONEOK Partners’ natural gas gathering and processing business.

Prior to joining ONEOK in 2007, he was group vice president of environment, health and safety, operations and technical services for DCP Midstream, LLC. Martinovich joined DCP Midstream in 2000 as senior vice president, responsible for the Permian Basin assets, and in 2002 was named senior vice president responsible for the Mid-Continent and Rocky Mountain assets.

Before joining DCP Midstream, he was senior vice president of GPM Gas Corporation, the natural gas gathering, processing and marketing division of Phillips Petroleum Company. Martinovich joined Phillips in 1980 as a resin development engineer and held various engineering and sales and marketing positions in the research and development and the plastics divisions of Phillips, and served on the company’s corporate planning and development staff.

Active in industry affairs, Martinovich served as president of the Gas Processors Association from 2004 to 2006.

A native of Bartlesville, Oklahoma, Martinovich earned a Bachelor of Science degree in chemical engineering from the University of Notre Dame.