• DUNS: 080354190
  • CAGE Code: 7PHW9
  • Primary NAICS: 541360


The Experienced People Behind Our Efforts


Dr. David Decker, PhD, PG, CPG, LCDR (USN, Ret.)

Principal Geologist and Chief Executive Officer

Dr. Decker has significant leadership and management experience grounded in 25 years in the US Navy as both an enlisted Fire Controlman (radar technician and operator) and a Naval Flight Officer (Navigator, Weapons Control and Communications) flying the S-3B Viking and EA-6B Prowler. His experience maintaining, repairing, operating and installing a variety of radar and computer systems on board both ships and aircraft along with his program management and systems engineering experience as an Aerospace Engineering Duty Officer and post-graduate education in the physics of sensor systems, geochemistry and geochronology have prepared him to take on the role of President of Southwest Geophysical Consulting LLC.


ASc (University of Phoenix) – Technical Education

BSc (Southern Illinois University – Carbondale) – Workforce Education and Development

MSc (Naval Post Graduate School, Monterey) – Physics (Sensor Systems)

PhD (University of New Mexico) – Earth & Planetary Sciences (Geochemistry, Geochronology)


25 Years US Navy – Leadership

Systems Engineering

Project Management


Mrs. Johanna Decker


ASc – Secretarial Procedure


Income Property Group

Health Care Group

Fabre Engineering

Lowe, Ball and Lynch, LLC

Oak Harbor School District

NG&O Engineering

Albuquerque Convention and Visitor’s Bureau

Office Staff

Ms. Gracie Decker




Office pet and entertainment – will sit or dance for treats.

Field Geologists

Garrett L. Jorgensen, University of New Mexico – Senior Field Geologist (January 2018 to Present)
AML Cert, OSHA Confined Space Cert

Emily Brent, James Madison University — Field Geologist (March 2022 – Present)

Past Employees

Justin Peinado, University of New Mexico – Intern (2018 and 2020)

Zach Englebert – Field Technician (2020 to 2022)