About Us

Collier Geophysics is a service-disabled, veteran-owned, small business founded in 2018 with offices in Texas, Colorado, Ohio, Tennessee and Wisconsin.

Founded in 2018, Collier Geophysics has assembled one of the most respected and experienced team of geophysicists in the United States. Commitment to our clients, professional integrity, and loyalty to one another are the things we value most.

Our President

Nathan Collier

Major Nathan Collier, P.E., is President of Collier Geophysics, a service-disabled, veteran-owned, small business (SDVOSB) in Stephenville, TX.

Major Collier attended the United States Military Academy at West Point, Class of 2007. His class has the distinction of being the first to fully begin the Academy’s admission process after September 11, 2001. At West Point, Major Collier played as an offensive lineman and lettered for Army Football. Upon graduation with a BS in Engineering Management, he was commissioned as a 2nd Lieutenant in Field Artillery.

Major Collier served on active duty for eight years, including assignments to Grafenwöhr and Schweinfurt, Germany, Schofield Barracks and Fort Shafter, Hawaii, and Fort Sill, Oklahoma. He served in a multitude of roles including Battery Commander, Fire Support Officer, Executive Officer, Platoon Leader, and Future Operations Planner.

Major Collier was deployed in support of Operation Iraqi Freedom ’08- ‘09, Operation Enduring Freedom ’11 and Operation Foal Eagle ‘14 in South Korea. Major Collier’s military decorations include the Bronze Star Medal, Army Meritorious Service Medal, Parachutist Badge, Air Assault Badge, and Pathfinder Badge.

Major Collier continues to serve as an Engineer Officer in the Texas Army National Guard.

Our Staff


Nathan Collier
P.E.

President

Hughbert Collier
Ph.D., P.G.

Sr. Vice President

Aaron Collier
P.G.

Vice President

Ron Bell

Sr. Geophysicist

Roy Bowling

Geophysicist

William Doll
Ph.D.

Sr. Geophysicist / Federal Market

Trever Ensele

Sr. Geophysicist

John Jansen
Ph.D., P.Gp., P.G.

Sr. Geophysicist / Hydrogeologist

Doug Laymon
P.G.

Sr. Geophysicist / Operations Manager

Finn Michelsen
P.G.

Sr. Geophysicist

Miriam Moller

Geologist / Geophysicist

Juan Ortega

Geophysicist

Nicole Pendrigh

Sr. Geophysicist

Ted Powell
P.G.

Sr. Hydrogeologist / Geophysicist

Jacob Sheehan

Sr. Geophysicist

Phil Sirles

Sr. Geophysicist / Operations Manager

Evan Walston

Comptroller