Stephen Mawer – Biography
Last update: April 7, 2026Executive profile
Stephen was President for Koch Supply & Trading. Stephen Mawer joined Calumet in 2014.
Stephen Mawer is currentlyChairman of the Board at Calumet - View - Calumet org chart
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Education
Stephen Mawer has a Master in Chemical Engineering from University of Cambridge.
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Company Colleagues
- At Calumet, Stephen Mawer has 44 colleagues including Todd Borgmann (President & CEO), Jennifer Straumins (Director (retiring))…
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- In the Oil & Gas industry, Stephen Mawer has 23,563 colleagues in 1,348 companies located in 105 countries. 12,281 executive movements have been recorded in the last 12 months. Learn more about Oil & Gas.
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