Lou Lung Pai was CEO of what American energy, commodities, and services company based in Houston, Texas?
Lou Pai Lou Lung Pai () born in Nanjing, China in 1947, is a Chinese-American businessman and former Enron executive. He was CEO of Enron Energy Services from March 1997 until January 2001 and CEO of Enron Xcelerator, a venture capital division of Enron, from February 2001 until June 2001. He left Enron with over $280 million. Pai was the second largest land owner in Colorado after he purchased the 77500 acre Taylor Ranch for  million in 1999, though he sold the property in June 2004 for  million.
Economy of Houston The economy of Houston is based primarily on the energy industry, particularly oil. However, health care, biomedical research, and aerospace also constitute large sectors. In 2012, the gross domestic product (GDP) of the Houston–The Woodlands–Sugar Land metropolitan statistical area (MSA) was $449 billion, the fourth-largest of any metro area in the United States. The Houston metropolitan area comprises the largest concentration of petrochemical manufacturing in the world, including for synthetic rubber, insecticides, and fertilizers. It is the world's leading center for oilfield equipment construction, with the city of Houston home to more than 3,000 energy-related businesses, including many of the top oil and gas exploration and production firms and petroleum pipeline operators. As of 2011, 23 companies on the Fortune 500 list have their headquarters in, or around, Houston.