Sergei Alexeev

Ernst & Young LLP engages in the provision of accounting, assurance, tax, transaction, and advisory services. It specializes in the actuarial, analytics and big data, cyber security, accounting compliance and reporting, center for board matters, international financial reporting standards, country tax advisory, global trade, tax accounting, and climate change and sustainability. The company was founded in 1989 and is headquartered in New York, NY.

Durango Midstream LLC is a natural gas gathering, processing and marketing company. The company is headquartered in The Woodlands, TX.

Deloitte & Touche provides audit, enterprise risk management, and financial advisory services. The company delivers services in four professional areas: audit, tax, consulting, and financial advisory services. It provides its clients with global services such as entering foreign markets, raising funds, and investing in Mainland China. The company was founded in June, 2003 and is headquartered in Taipei, Taiwan.

Particle Drilling Technologies, Inc. is an oilfield service and technology company that develops advanced drilling technology. It commercializes patented particle impact drilling system, which is designed to provide a radical increase in penetration rates for drilling oil and gas wells, particularly through deep hard and abrasive zones or other difficult to drill formations. The company is headquartered in Houston, TX.

NRG Texas LLC provides electric power generating services. The company was founded in 2001 and is headquartered in Dallas, TX.

University of Houston System offers higher education degrees and job training or vocational study programs. It offers about 280 undergraduate and graduate degree programs in fields such as business, education, humanities and law. It was founded in 1927 and is headquartered in Houston, TX.

Tatum LLC provides executive consulting services. It provides services to the healthcare, private equity, venture capital, public, not-for-profit, manufacturing, distribution, retail, financial and business services sectors. The company was founded by John Tatum and Doug Tatum in 1993 and is located in Atlanta, GA.

The American Institute of Certified Public Accountants provides vocational education in accounting. The company provides services to the accounting community, regulatory bodies, and other organizations. It also operates in Jersey City, Washington, and Lewisville. It was founded in 1887 and is headquartered in New York City, NY.

Van Dyke Energy Co. explores oil and related products. It develops unconventional oil and gas assets in Latin America. The company was founded by Gene Van Dyke in 1952 and is headquartered in Houston, TX.