Our Team

Mary McCulloch


Mary McCulloch is an Associate at Pickering Energy Partners (PEP), specializing in sustainability advisory and emissions strategy. Mrs. McCulloch has extensive experience in financial services with a concentration in natural resources. Before joining PEP, Mrs. McCulloch was an Associate at BlackRock on the US Wealth Advisory team. She coordinated all client and prospect materials for the Aperio brand of highly customized separately managed accounts focused on tax loss harvesting strategies, factor tilts, and values-aligned investing. Before BlackRock, she was an Associate at Tudor, Pickering, Holt & Co. on the Upstream A&D team within Investment Banking. Previously, she was a Product Specialist for several strategies at Jennison Associates, including the Jennison Natural Resources Fund. Mrs. McCulloch started her career at Tudor Investment Corporation as a Market Data Specialist directly supporting the commodity trading desk. She has served on numerous non-profit boards, including education, city government, and disabled communities. Mrs. McCulloch holds a BSE in Systems Engineering from the University of Pennsylvania and is an FSA Credential Holder.


  • Timely in-depth training sessions with upstream, midstream, and private equity companies on EPA proposals and rules
  • Materiality assessment for a growing Smid Cap E&P to inform leadership on stakeholder priorities
  • Development and implementation of a corporate sustainability program in anticipation of becoming an acquisition target
  • Forward-looking blueprints for several energy portfolio companies to align with regulatory expectations at the fund level
  • Guidance on unique data-driven sustainability reporting initiatives at a private midstream organization