Tim O’Connor

Specialist Leader, ESG Strategy and Transformation, Deloitte Consulting LLC


Tim O’Connor is a Specialist Leader in Deloitte’s ESG Strategy and Transformation practice, focusing on energy transition in the Transport, Energy, and Industrial sectors. At Deloitte, Tim helps navigate companies through the range of choices available to optimize their transition to cleaner options on the path to Net-Zero. He brings over 2 decades of experience working in technical, policy and regulatory venues to help clients position and invest in a changing landscape – no matter where they are on their transition journey.

Prior to his experience at Deloitte, Tim worked as a law and policy expert for over 20 years in various roles across the government, non-profit, academic, and private sectors, with 15 years at the Environmental Defense Fund. His industry areas of focus include energy transition in transportation fuels and vehicles, natural gas and electric systems, heavy industrial operations, and oil and gas – and the regulatory and incentive structures applicable to each. Over his career, Mr. O’Connor has led direct engagements in dozens of formal proceedings before energy and environmental agencies, legislatures and courts; and managed numerous stakeholder initiatives designed to foster inclusive and equitable stakeholder engagement in support of policy objectives.

Tim is registered to practice Law in California and Washington D.C. and before various federal courts. He holds a master’s degree from Duke University and a Law Degree from Golden Gate University with specializations in Environmental and Public Interest Law. He further holds certifications green building design and operation, and emerging frameworks related to ESG reporting, strategy, and practice.