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Upstream Training Trust




Mr Marek Ranoszek, Trustee

Position and Memberships

Marek Ranoszek is currently General Manager, Pioneer Natural Resources SA (Pty) Limited, a wholly-owned subsidiary of the Dallas-based independent oil and gas E&P Company, Pioneer Natural Resources Company. He commenced his career in oil and gas exploration as a wellsite geologist with Soekor in Cape Town. In 1992, Marek joined a newly established oil and gas E&P group at Sasol, later to be named Sasol Petroleum International (SPI), where he worked as an exploration and operations geologist responsible for SPI’s operations in North Africa. Marek then moved to Sasol Synfuels International as a Business Development Manager before joining Pioneer Natural Resources SA as its General Manager.

Marek also serves as chairman of the Offshore Petroleum Association of South Africa.



BSc (Hons) degree in geology from the Rand Afrikaans University (1988); Masters in Business Leadership from UNISA (1997).

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