Mr Zhang is President and Chief Operating Officer of Greka Drilling China in 2017. He joined Greka Drilling as General Manager, and Chief Operating Officer of Greka Technical Services in January 2008. Mr Zhang has over 40 years of experience in oil and gas engineering technical services. He joined the oil and gas industry in 1967 and has held a range of positions in several petroleum companies, including technician of an oil production team in Daqing Petroleum Administration Bureau, production coordinator of a plant in Jianghan Petroleum Administration Bureau and engineer of a drilling managing plant in Jinlin Petroleum Administration Bureau. From 1976 to 1995, he worked at Huabei Petroleum Administration Bureau, a drilling and engineering services subsidiary of CNPC, as an engineer and in various senior management positions. From 1995 to 1999, Mr Zhang was the General Manager of China National Oil Developing Company and was appointed as President of Huabei Petroleum Administration Bureau from 1999 to 2004. From January 2003 to January 2008, he was a member of the Standing Committee of Hebei Provincial People's Congress. Mr Zhang worked as an external consultant to Greka BV from July 2007 to January 2008. Mr Zhang graduated from Beijing Geology College, majoring in Petroleum in 1966.
Mr Gupta is the President and Chief Operating Officer, Greka Drilling India in 2017. Mr. Gupta joined Greka Drilling India as Executive VP & CFO on 1st October 2014. Prior to joining Greka, Pradeep worked at General Electric for 18 years and held various positions including CFO, GE Oil and Gas India (2009-14), CFO at GE Energy, India (2006-08), Regional CFO at GE Optimization Controls, Africa, India & Middle East (2003-05), CFO of GE Bently Nevada, Delhi (1997- 2002). He was also on the board of directors of GE India. Mr Gupta has over 21 years of post-qualification experience in the field of Finance in multiple business segments including stints in the Energy, Textile and Oil & Gas sectors. Prior to GE, Pradeep served as Finance Manager at Birla VXL Ltd (1995-96) and Alstom India (1993-94). Mr Gupta holds a Bachelor of Commerce Degree from the University of Delhi, and is a member of the Institute of Chartered Accountants of India (FCA). He is Green Belt certified in Six Sigma.
Lisa He is the Chief Financial Officer of Greka Drilling Limited. She joined Greka Technical Services in February 2008 as Chief Accounting Officer and has since been responsible for financial matters in relation to the drilling business, as well as wider financial matters within the company. She has 20 years experience in accounting and financial management. Prior to joining Greka Drilling, she worked for AES Wanfang Company as Chief Financial Controller from 2004 to 2007. From 2007 to 2008, she was Chief Accounting Officer for Xinyuan Real Estate Group and was a key member of the Accounts and Finance team and involved in listing the company on the New York Stock Exchange.
Ms He is a Certified Public Accountant and Certified Tax Agent in China, and holds a masters degree in Business Administration at Xi'an Jiaotong University.
Rene Pedersen has been drilling Greka wells since 2007 through the Mitchell Drilling Joint Venture. With 21 years of experience in Coal Bed Methane, oil and gas and mineral exploration, drilling and engineering in Australia, China and India, he has accumulated substantial experience in surface to in-seam CBM drilling.
From 2007 to 2010, Mr. Pedersen worked for the Greka Mitchell Drilling Company as field operational manager. Prior to this he worked in Mitchell Drilling Company in Australia as a Toolpusher from 2001 to 2007 and between 1993 and 2001 as a Maintenance Planner in Carlton United Breweries, Queensland Australia. He started his drilling career in mineral exploration with Rockdril Contractors in Australia from 1985 to 1991.
Pederson received his undergraduate degree from Central Queensland University and gained a trade certificate as a Fitter and Machinist under J.C. Huttons Pty Ltd.