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Dan Sajkowski serves as a non-executive member of the Board of Directors at Calumet, where involvement includes participation in the Nominating & Governance Committee and chairing the Risk Committee. As Executive Vice President at The Heritage Group since 2012, Dan Sajkowski has also held academic roles, including a visiting professorship in Chemical Engineering at Purdue University. Previous experience includes leadership positions at BP, where Dan Sajkowski spent 24 years in various roles including Senior Executive in the BUL Whiting Refinery and VP of Refining Technology. Early career experience includes a research engineer position at Chevron. Dan Sajkowski holds a PhD in Chemical Engineering from Stanford University and has completed the General Manager Program at Harvard Business School, alongside dual degrees in Engineering from the University of Michigan.