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ONE Energy

ONE Energy Green
is dedicated to giving back to the community


The Company has a specialized team to identify, develop and operate oil and gas assets. The team’s combined finance and industry expertise provides decades of collective talent for innovative solutions and the success of the Company.


Daniel Vesco, CEO and Shareholder, has been involved in finance continuously since 1980, working on a multitude of finance, corporate troubleshooting and restructuring projects. Sourcing finance and investment opportunities in Asia for US Banks, assembling Farm In opportunities in Indonesia for an Australian oil company and restructuring a troubled oil and gas company, are among the global projects providing the experience to grow the Company. Mr. Vesco is a founder of ONE Energy and a member of the American Bankruptcy Institute, INSOL, Association of International Petroleum Negotiators [AIPN], and Southeast Asia Petroleum Exploration Society [SEAPEX].


Suzanne Chapman, Project Director and Shareholder, has over ten years of international experience working on multiple complex finance and advisory deals throughout the Asian Region as a director of Asset Solutions (Hong Kong) Limited. As Project Director with ONE Energy, Ms. Chapman is involved with marketing, business development, and asset acquisition programs. Prior to her work with ASL and ONE Energy, she was an associate of PricewaterhouseCoopers Financial Advisory Services USA. Ms. Chapman received her M.B.A. in Finance from the University of Denver Daniels College of Business, Denver, Colorado, and B.A. from Lake Forest College, Lake Forest Illinois. She is a member of SEAPEX.


Dr. Nafi Onat, Ph.D., Dr. Nafi Onat , Ph.D., Team Member, is a Petroleum Engineer with over 30 years of industry experience. He has held positions with major oil and gas companies including Mobil and Wenner Petroleum. In September of 1997, after nine years of consulting, Dr. Onat founded Sure Engineering, LLC, a consulting company specializing in petroleum and natural gas engineering. He received his Ph.D. in Petroleum Engineering in 1975 from Colorado School of Mines, Golden, Colorado.


David Drumm, Advisor, is is a transactional attorney with Carrington Coleman located in Dallas Texas. In his oil and gas practice, Mr. Drumm regularly represents oil and gas producers in connection with leasing, operating agreements, farm-out agreements, purchase and sale of producing properties, energy lending credit transactions, exploration agreements, title opinions, and various other aspects of the industry. He also has represented lending institutions making energy-related loans, and landowners who lease oil and gas properties to oil and gas operators. He is a graduate of Southern Methodist University J.D., cum laude and University of Texas, B.A., summa cum laude. Among other accomplishments, he is listed in the 2012 edition of The Best Lawyers in America in the area of Real Estate Law.

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