Our People

Garry Mahoney


Garry scrutinises the technical and commercial aspects of our investment activity with small to medium enterprises (SMEs).  Active principally in the natural resources and technology sectors, including project due-diligence, financial and technical de-risking, strategic partnering and governance.

Garry has a diverse international background of technical, technology and commercial leadership roles for international oil companies.  Garry’s previous roles include Director - Operations and Technical at Open Source Capital, Head of Corporate Technical function for BP’s  global upstream projects portfolio and North Sea assets, Chief Technology Officer and Senior-VP Global Business Development at Worley Parsons, and Technical Director in the ENI group.

“Successful projects strike the balance of risk and reward and it’s great to be part of the SI team with diverse capital investment experience. We adopt a deep multi-discipline approach for: a sharp strategy; the right project team; robust execution and operations plans; rigorous performance management; technology leverage; important risks effectively mitigated through the lifecycle.”‍A graduate of Imperial College, Garry is a chartered engineer and fellow of IMarEST. He is married to Nicki with 2 children, Jago and Tomas, and loves all-sports, travel and wine. Garry co-founded and chairs the Wimbledon Common Wine (Investment) Club.

Gregory Mahoney Covers

  • Corporate Broking

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