Derek Ussery

Corporate Officer/Principal at U.S. SILICA HOLDINGS, INC.

Industrial Services

Process Industries

Non-Energy Minerals

Profile

Derek J Ussery is currently the Executive Vice President and President-Oil & Gas at U.S.
Silica Holdings, Inc. Previously, he held the position of Vice President-Eastern US Region at Key Energy Services, Inc. from 2013 to 2018.
In 2018, he briefly served as the Vice President-North America at TETRA Technologies, Inc. Mr. Ussery completed his undergraduate degree at Texas A&M University.

Derek Ussery active positions

Companies	Position	Start
U.S. SILICA HOLDINGS, INC.	Corporate Officer/Principal	-

All active positions of Derek Ussery

Former positions of Derek Ussery

Companies	Position	End
TETRA TECHNOLOGIES, INC.	Corporate Officer/Principal	2018-11-30
KEY ENERGY SERVICES, INC.	Corporate Officer/Principal	2018-04-30

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Linked companies

Private companies	4
Key Energy Services, Inc. Key Energy Services, Inc. Oilfield Services/EquipmentIndustrial Services Provides oil and gas well drilling & completion services	Industrial Services
TETRA Technologies, Inc. TETRA Technologies, Inc. Chemicals: SpecialtyProcess Industries Manufactures & distributes bromine-based completion fluids, calcium chloride and water management solutions and services	Process Industries
U.S. Silica Holdings, Inc. U.S. Silica Holdings, Inc. Construction MaterialsNon-Energy Minerals Produces commercial silica	Non-Energy Minerals
Texas A&M University Texas A&M University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services