Dave Clark Appointed President of American Gilsonite Company to Strengthen Customer Service, Global Growth and Expand Tolling & Manufacturing Business
November 4, 2025

American Gilsonite Company today announced the appointment of Dave Clark as President. Dave will lead American Gilsonite Company’s core business, supplying oilfield and industrial markets with the highest-quality uintaite, while accelerating the expansion of its new Tolling & Manufacturing business.
Craig Mueller will serve as Chief Executive Officer and board member of American Gilsonite Company. Building on his leadership, Mueller will spearhead strategic expansion, including M&A activity, product line expansion and industry collaboration.
“Dave brings significant energy industry and international leadership experience, and a track record of delivering value to customers through application of operational experience to their specific challenges,” said Craig Mueller, CEO of American Gilsonite Company. “His leadership brings creativity, reliability and innovation to our core uintaite business, allowing me to devote more time to expanding our overall portfolio.”
“Our commitment to quality and customer outcomes is our primary focus,” said Dave Clark, President of American Gilsonite Company. “We’ll continue delivering Gilsonite® – the industry’s leading uintaite product – while expanding our Tolling & Manufacturing services to offer clients operational flexibility and a cost-effective option to scale-up their custom powder processing quickly, reliably and without capital expense.”
These moves strengthen our support for customers across North America – including the Uinta Basin and worldwide, while assuring access to the only genuine source of Gilsonite® uintaite, expanded Tolling & Manufacturing services, and AGC Resources to streamline logistics and reduce costs from planning to production.