Mark Hollis

Mark Hollis
  • Director, Global Energy Services
  • Company: Rimkus

Mark is a Chartered Chemical Engineer and Executive MBA with over 32 years’ experience, including 11 years on the operator side and 15 years in senior consulting roles, leading complex projects in major global energy developments across oil and gas and the energy transition (CCUS, hydrogen, SAF, LDES).

Trusted advisor to operators, NOCs, governments and investors, delivering decision-quality technical and commercial outcomes across feasibility, concept select, Pre-FEED and FEED stages. Seller-doer with a proven track record in new work acquisition, capital allocation support, due diligence, and investment readiness. Mark is recognised for building long-term client trust and translating complex technical, operational and sustainability challenges into clear, decision-ready strategic insights.

Combines deep facilities and field development expertise with strategic leadership, commercial acumen, and multi-disciplinary team delivery across high-value, technically challenging projects worldwide.

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