Meet our Advisory Board 

Mr. Larry Archibald
Non-Executive Director
Woodside Energy Ltd.
Advisory Board Chair
Houston, TX
Alumni & Development Committee

Larry E. Archibald was recently appointed as a non-executive director at Woodside Energy Ltd (effective Feb 2017). Woodside is Australia’s largest exploration and production (E&P) company and has a global presence. Larry is also a non-executive director for MainSail Energy Inc, a Canadian E&P start-up funded by private equity. Larry is also a consultant for Warburg Pincus, a large New York-based private equity firm.

Larry has over 35 years of technical and executive leadership experience in the oil and gas industry. From 2008 to late 2015 he was the Senior Vice President of Worldwide Exploration and Appraisal for ConocoPhillips where he had accountability for annual budgets in the range of $2 bn - $3+ bn. Between 1999 and 2007, Archibald worked in a variety of exploration and commercial leadership roles for BP, including leadership of exploration programs in Russia, the Gulf of Mexico, Norway, Angola, and worldwide new ventures.

Archibald earned a bachelor’s degree in geology from Colgate University in 1979, a master’s degree in geosciences from the University of Arizona in 1982 and an MBA from Regis College in 1986. Larry joined the Geosciences Advisory Board in 2016.

Ms. Nancy Beckvar
Education & Outreach Committee Chair 
Seattle, WA
Education & Outreach Committee

Nancy Beckvar received her MS (86) in Stratigraphy and Paleontology from the Department of Geosciences in 1986. As an Environmental Scientist for NOAA's Assessment and Restoration Division in Seattle, WA, she worked on a variety of coastal hazardous waste site projects around the United States.

Nancy has served on the Geosciences Advisory Board since 2008.

Dr. John Dreier
Alumni & Development Committee Chair
Private Consultant
Golden, CO 80401
Phone: 303-619-9410

Alumni & Development Committee

John Dreier has served on the Department of Geosciences Advisory Board since 2010.

Dr. Stacie Gibbins
Spring, TX 77389 

Alumni & Development Committee

Stacie Gibbins received her MS (2001) and PhD (2006) in Geosciences from the University of Arizona. 

She is currently a Senior Geologist at ExxonMobil Corporation on the Petroleum Systems Analysis Team.

Dr. Tekla Harms
Massachusetts Professor in Chemistry and Natural History
Amherst College
Amherst, MA 01002
Phone: 413-542-2711
Research & Collaboration Committee

Tekla Harms received her MS (82) from Queens University and her PhD (86) from the University of Arizona. She is currently a Massachusetts Professor in Chemistry and Natural History (geology) at Amherst College. Tekla's teaching and research interests include geodynamics and the evolution of mountain belts and the interactions of plate boundaries in creating those belts.

Tekla has served on the Department of Geosciences Advisory Board since 2018.

Mr. Ray Leonard
Bellaire, Texas
phone: 713-382-7316
Research & Collaboration Committee


Ray Leonard received his BS with Honors in Geosciences (75) from the University of Arizona, and MA in Geology (77) from the University of Texas-Austin. He is President and CEO of Hyperdynamics, a NYSE-Amex listed company exploring for Oil and Gas in West Africa. His 33-year career in International Oil and Gas Exploration includes Executive Positions with Amoco, the Russian Oil Major YUKOS, and the Kuwait Energy Company. He has been active in the debate on world oil reserves, presenting at national and international forums. Ray joined the Geosciences Advisory Board in 2010.

Mr. Rick LeVeque
Long Beach, CA
Alumni & Development Committee

Rick LeVeque began his career with a BS from UC Santa Cruz, followed by 2 years at the USGS in Menlo Park (field work in SW Arizona). He graduated from UA with a MS in 1981 (thesis committee Dickenson, Coney and Gordon Haxel).  He spent 24 years with Unocal, with a focus on development geology (CA, Thailand), exploration geology (Chile, Kazakhstan, Indonesia).  Rick then began working Planning/Strategy and obtained an MBA (U Houston), followed by work with the SVP Exploration in Corporate. A brief year in Bangladesh as Exploration Manager was followed by time with a Corporate group establishing knowledge management practices (primarily Thailand). Rick left Unocal when Chevron acquired them and spent the final 10 years of his career with Occidental in Long Beach, CA, working again in Planning.

Mr. Anthony Murer
Bakersfield, CA

Alumni & Development Committee


Anthony Murer received his BS from SUNY at Plattsburgh in 1974 and an MS in geology from the University of Arizona in 1982. He started in work as an Exploration Geologist in 1981 for Mobil Oil Corp in Houston and continued working for Mobil as  Production Geologist in Denver, Colorado and in Bakersfield, California.  This was followed by stints as field technical coordinator and as a research and special projects coordinator. Tony remained in California upon the merger of Mobil's and Shell's operations there in the combined company, Aera Energy LLC where Tony served in a variety of positions including Geologist, Innovation and Strategic Development Advisor,  and Geological and Engineering Advisor, from which he is recently retired.
Ms. Marie Pearthree
Central Arizona Project (Retired)
4203 E. 6th Street
Tucson, AZ 85711
Phone: 520-203-6892
Research & Collaboration Committee

Marie Pearthree received her MS (1982) in Geosciences from the University of Arizona. She recently retired as the Deputy General Manager of Central Arizona Project (CAP). Marie's experience also includes working as Deputy Director of the City of Tucson Water Department.

Mr. John M. Pekala 
2111 East Highland Avenue
Suite 402
Phoenix, AZ 85016 
Phone: 602-734-7710
Fax: 602-734-7701
Education & Outreach Committee

John Pekala received his BS in Geosciences from the University of Arizona in 1993 and his MS in Geology (Coastal Sedimentology and Stratigraphy) in 1996.

John is a Principal at Ramboll in Phoenix, AZ and a registered Professional Geologist in Arizona and California, with more than 20 years of experience in environmental consulting.  His work has included implementing sediment, soil, and water quality investigations, management of water quality monitoring programs, performing environmental due diligence and compliance reviews, evaluating environmental issues for Brownfield redevelopment project sites, evaluation and selection of remedial alternatives, conducting site remediation activities, and providing consulting support for environmental litigation cases. 

John joined the Department of Geosciences Advisory Board in 2011.

Dr. Kenneth Ridgway
Purdue University
Research & Collaboration Committee
Kenneth Ridgway received his PhD in geological sciences from the University of Rochester in 1992, and is currently a Professor in the Department of Earth and Atmospheric Sciences at Purdue University.
Dr. Marc L. Sbar
University of Arizona
Adjunct Professor, global seismology 
Phone: 281-804-8912
Education & Outreach Committee

Marc Sbar received his PhD in earthquake seismology from Columbia University in 1972. He served on the faculty of the University of Arizona Department of Geosciences from 1977 - 1983. In 1983, he changed gears and became an exploration seismologist working for BP and ConocoPhillips. Marc currently works as a consultant in geophysical analysis solving interesting and challenging problems in predicting reservoir properties.

Marc has served on the Department of Geosciences Advisory Board since 2008.

Dr. Kelly West
Deputy Director
UN Environment Programme Science Division
Nairobi, Kenya
Research & Collaboration Committee

Kelly West received her MS in Geosciences from the University of Arizona and her PhD in Geology from the University of California at Los Angeles. She has 20 years of experience in developing, implementing and supporting Global Environment Facility and other environmental projects for UN Environment, IUCN, UNDP and the Natural Resources Institute in the UK. Much of her professional work has been linked to the science and management of aquatic systems in East Africa. 

Kelly currently serves as the Deputy Director of the UN Environment Programme Science Division.

Dr. Mark Zoback
Stanford University
Stanford, California

Research & Collaboration Committee

Mark Zoback received his BS in geophysics from the University of Arizona in 1969, and his MS (73) and PhD (75) from Stanford University. 

Mark is currently the Benjamin M. Page Professor of Geophysics and the Director of the Stanford Natural Gas Initiative at Stanford University. He also co-directs SCITS Stanford Center for Induced and Triggered Seismicity (SCITS) and the Stanford Center for Carbon Storage (SCCS).