Vicki Hollub is President and Chief Executive Officer of Occidental. She has been a member of Occidental’s Board of Directors since 2015. During her 35-year career with Occidental, Ms. Hollub has held a variety of management and technical positions with responsibilities on three continents, including roles in the United States, Russia, Venezuela and Ecuador. Most recently, she served as Occidental’s President and Chief Operating Officer, overseeing the company’s oil and gas, chemical and midstream operations. Ms. Hollub previously was Senior Executive Vice President, Occidental, and President, Oxy Oil and Gas, where she was responsible for operations in the U.S., the Middle East region and Latin America. Prior to that, she held a variety of leadership positions, including Executive Vice President, Occidental, and President, Oxy Oil and Gas, Americas; Vice President, Occidental, and Executive Vice President, U.S. Operations, Oxy Oil and Gas; Executive Vice President, California Operations; and President and General Manager of the company’s Permian Basin operations. Ms. Hollub started her career at Cities Service, which was acquired by Occidental. Ms. Hollub serves on the boards of the American Petroleum Institute, Khalifa University for Science and Technology in Abu Dhabi, and Lockheed Martin. She is the chair of the U.S. Secretary of Energy Advisory Board and the U.S. chair for the U.S.-Colombia Business Council. Ms. Hollub is also a member of the Oil and Gas Climate Initiative and the World Economic Forum, where she serves on the stewardship board for the Platform for Shaping the Future of Energy and Materials. A graduate of the University of Alabama, Ms. Hollub holds a Bachelor of Science in Mineral Engineering. She was inducted into the University of Alabama College of Engineering 2016 class of Distinguished Engineering Fellows.