SEPM (Society for Sedimentary Geology) is an international not-for-profit Society based in Tulsa, Oklahoma. Through its network of international members, the Society is dedicated to the dissemination of scientific information on sedimentology, stratigraphy, paleontology, environmental sciences, marine geology, hydrogeology, and many additional related specialties. The Society supports members in their professional objectives by publication of two major scientific journals, the Journal of Sedimentary Research (JSR) and PALAIOS, in addition to producing technical conferences, short courses, and Special Publications. Through SEPM's Continuing Education, Publications, Meetings, and other programs, members can both gain and exchange information pertinent to their geologic specialties.
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SEPM Questions
The SEPM annual revenue was $7 million in 2026.
Howard Harper is the Executive Director of SEPM.
28 people are employed at SEPM.
SEPM is based in Broken Arrow, Oklahoma.
The NAICS codes for SEPM are [81392, 813920, 8139, 81, 813].
The SIC codes for SEPM are [862, 86].
Top SEPM Employees
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Howard Harper
Executive Director at SEPM
Pilot Point, TX, US14 -
23
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Michele Tomlinson
Managing Editor at SEPM
Norman, OK, US13 -
Diane Chilton-Harper
Volunteer at SEPM
Pilot Point, TX, US24 -
Cassie Turley
Deputy Business Manager at SEPM
Broken Arrow, OK, US32 -
Melissa Lester
Managing Editor at SEPM
Boulder, CO, US22 -
Kathleen Huber
Managing Editor at SEPM
Tulsa, OK, US12 -
张勇韬
Department General Manager at SEPM
Shanghai, China1
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