Biography

Dave Crompton is an independent director who joined our Board of Directors in July 2026. Mr. Crompton is Executive Chair and Co-Founder of Pioneer Clean Fleet Solutions and most recently served as President and CEO of Achates Power, a developer of opposed-piston engine technology focused on delivering lower emissions and improved fuel efficiency across on- and off-highway applications. He brings more than 28 years of leadership experience at Cummins Inc., including President of the Cummins Engine Business and President of Cummins Power Systems. He brings extensive experience in global industrial operations, advanced powertrain technologies, product development, and strategic growth across diverse end markets, including commercial transportation, construction, agriculture, mining, defense, energy, marine, and power generation. Mr. Crompton holds a bachelor’s degree from Williams College and completed the Advanced Management Program at Duke University.