John Warner

Dr. John Warner is an internationally recognized expert in lithium-ion battery technology and electric mobility strategy. With a track record that spans launching vehicles at General Motors, founding and scaling five battery technology companies, and guiding American Battery Solutions through a successful acquisition by Komatsu Ltd., John brings unmatched insight into the energy transition. As the author of two industry-defining books — The Handbook of Lithium-Ion Battery Pack Design and Lithium-Ion Chemistries: A Primer — he educates, advises, and inspires engineers, executives, and policymakers across the globe. His work bridges deep technical knowledge with market execution, helping companies navigate complex topics like battery safety, electrification policy, U.S.–China trade dynamics, and flexible BMS technology licensing.