At Protothestics, we come to work every day because we strive to solve the biggest challenges in the
orthotics and prosthetics industry. We strive to arm clinics and practitioners with the best tools
and products in order to deliver the highest level of patient care.

Our motto is, don’t build it unless it’s cool!



Josh Teigen

Chief Visionary

Josh drives Protosthetic’s strategic vision and directs all global sales, marketing, and financial initiatives. Before Protosthetics, Josh started multiple companies and spent several years as a consultant in the medical device industry.


Cooper Bierscheid

Chief Futurist

Cooper leads the daily operations at Protosthetics, including product development, R&D, and production. Cooper is a Manufacturing Engineer who spent time working in 3M’s innovation labs, with a passion for developing products that help people.


Derek Holt

Derek Holt

Swiss Army Knife

Derek does a little bit of everything for Protosthetics. He provides oversight for R&D efforts, product and machine production, and coordinates all of the day to day chaos. Derek is a manufacturing engineer with a broad skill set which allows him to be the perfect person to tackle any challenges we face.


Scott Teigen

Corporate Oracle

Scott handles a lot of our special projects as well as long term initiatives. Scott spent years at IBM in his earlier years before becoming a manufacturing entrepreneur himself. He provides the team with great insights and capabilities to continually outpace the competition through creative applications of our technology.


Zack Bierscheid

West Coast Sales Lead

Zack heads up our west coast sales. Based just outside of Silicon Valley in San Jose, Zack handles the sales, implementation, and customer service in that region of the country.


Emma Ilvedson

Sales and Business Development Wizard

Emma is a Pre-Physician’s Assistant and Business Administration: Management student at the University of North Dakota. Emma is a member of the sales and business development team where she identifies new opportunities and helps expand our contract manufacturing business as well as our standalone product lines. Emma also serves as the President for the University of North Dakota’s Special Olympics organization.


Adam Vareberg

Business and R&D Apprentice

Adam is a Biomedical Engineering student at Harvard University and a member of both our R&D and business development team. Adam brings a diverse set of experiences to the table and helps bridge the gap between business development and our R&D and production teams.


Evan Blanchard

Product R&D Apprentice

Evan is a Biomedical Engineering student at the University of Wisconsin and a member of our rockstar R&D team. He does extensive work for us in the product development side of things. When he isn’t designing cool products, he operates the equipment and makes sure everything is running smoothly.


Michael Straus

Mechanical Engineering Apprentice

Michael is a Mechanical Engineering student at North Dakota State University. Before coming on board at Protosthetics he worked in steel fabrication as well as natural gas engineering. With this varied experience he is a great addition to our production and fabrication capabilities.

He is also restoring a ’76 Honda motorcycle and is a member of the 3D-Printing research and education club at NDSU.


Jackson Stremick

Production Team

Jackson Stremick just graduated high school and is attending NDSU for Electrical Engineering. He is part of our Production team. In his spare time, he likes to ride dirt bike. An interesting fact: Jackson built his own 3D printer at the age of 18.


Miles and Tess

Director of Office Security & Inbound Logistics

Miles and Tess are serve a vital role at the company through security and running our receiving department. They immediately alert us to any suspicious activity taking place on the premises, and the occasionally innocent loud noise outside. One of their more vital roles is the instant alert to when a new package arrives. We are still working on getting them to start signing for packages. When they aren’t on duty, they spend a lot of time warming the couch and cleaning the break room floor.