Meet Our team

Tom Ohnstad
Owner
Mr. Tom Ohnstad is the Owner/Managing Partner of Oregon Ballistic Laboratories (OBL); formed in 2004. Mr. Ohnstad has a BS in Mechanical Engineering from the University of Wyoming. He has over 45 years of experience in materials science/engineering, structural design, blast, ballistics, fire protection, forced entry, research and development and destructive testing. Mr. Ohnstad is the registered, responsible person on the applicable explosive licenses listed with ATF.

Brandon Bertsch
General Manager
Brandon has been working at Oregon Ballistic Laboratories since 2008, where he served as the ballistic, stab, and FEBR test director. Since 2019, he has been the General Manager of the company. Mr. Bertsch collaborates with numerous clients both in the United States and abroad to test hard and soft body armor, vehicle, and structural materials to multiple standards. He also serves as a Subject Matter Expert (SME) on the NIJ STC and ASTM E54 committees.

Darius Nuttbrock
Test Director
(ballistic, Stab, FEBR)
Darius has been with Oregon Ballistic Laboratories since 2016 where he started out as a range technician. Rapidly moving up, he now holds the title of Test Director since 2019. Darius possesses a vast understanding of ballistic testing, and is astutely aware of industry standards. He has spent his career devoted to providing a high level of quality service to clients. He is currently apart of NIJ and ASTM committees, investing in the success and advancement of the ballistic industry.



