Zhao Chang

Zhao Chang is a seasoned professional with experience in cost estimation and evaluation within the oil and gas industry. Currently serving as a Cost Estimation Engineer at CNOOC International since June 2022, Zhao specializes in business development, new ventures, mergers and acquisitions, and the evaluation of oil and gas assets. Previous roles include working as a Commercial Model at Wilhelmina and as a Survey Quality Engineer at Helmerich & Payne, where technical support and data visualization tools were utilized to enhance drilling accuracy. Zhao also contributed as a Research Analyst at the Common Sense Institute, focusing on public policy issues in Colorado. Educational qualifications include a Master's degree in Computer and Information Technology from the University of Pennsylvania, and additional master's degrees in Mineral and Energy Economics and Petroleum Economics and Management, along with a Bachelor's degree in Petroleum Engineering from the Colorado School of Mines.