Alex Marshall
Group Director, Clarke Energy, Clarke Energy, a Rehlko companyAlex Marshall is an energy strategist working on distributed power, resilience, and the power constraints shaping data center growth. He has spent more than 20 years on low-carbon and distributed power infrastructure, and in the data center power sector for 10. He is the author of the Structured Transition Model for AI Data Center Power and the book Five Nines and Fast Power (2026).
Alex is Vice President of the Cogen World Coalition, a Council Member of the World Biogas Association, and a member of the iMasons Climate Accord. He is a Chartered Environmentalist and holds an MBA from Manchester Business School.
