Steve Mawer

Steve Mawer is an accomplished executive with extensive leadership experience across various industries. Currently serving as a Board Member at Howard Energy Partners since April 2023, Mawer has held multiple prominent positions at Calumet Specialty Products Partners, L.P. since April 2020, including Chair, Executive Chair, and Chief Executive Officer. Additionally, Mawer has been the Chair of ClimeCo Corporation since July 2017 and serves as a Director/Board Member at ZENITH ENERGY MANAGEMENT, LLC since November 2014, where involvement includes the Audit Committee. Previous roles include Advisory Board Member at Heritage Environmental Services from November 2017 to November 2021 and President at Koch Supply & Trading from January 2000 to June 2014. Mawer holds a Master's Degree in Chemical Engineering from the University of Cambridge, earned between 1983 and 1987.