Our Team
Leadership
J. Martin (Marty) Carlson, MS, CPO, FAAOP(e)
Owner and Chief Engineer
Mr. Carlson received BS and MS degrees in aeronautics and engineering mechanics at the University of Minnesota. For six years, he worked on the development of new instruments for measuring force, pressure, and temperature for industrial process control. He then shifted his career focus to orthopedic/rehabilitation engineering.
Marty received his formal orthotic and prosthetic training at Northwestern University and served as Director of Habilitation Technologies at Gillette Children’s Hospital for sixteen years. He has published two dozen articles in a variety of medical and orthotic-prosthetic journals.
Carlson and his staff have gained an international reputation for design, development and biomechanical analyses. Marty focuses on building a workplace culture where each of the staff members feels mutual support and expects to be excellent.
Owner & Vice President
Marketing & Business Development

Rachel graduated from St. Cloud State University in 2007 and joined Tamarack in 2016. Rachel came to us from a tense brokerage environment and loves the change of pace at Tamarack! Rachel’s responsibilities include: customer service (phone, email, live chat), order management, inbound & outbound logistics, and working closely with the production team to ensure orders are processed accurately and on-time. Outside of work, Rachel enjoys spending time with God, her husband and 2 boys, going up north, fishing, being outside, taking walks, and hanging out with friends and family.
Clinical Services
Mark Payette, CO, ATP
Manager of Clinical Service & Education
Mark is a certified orthotist with more than 25 years of patient care experience, specializing in custom orthotic wheelchair seating. Providing these services was a joy and passion for Mark. He has been with Tamarack since its inception, except for the 4 year time period that Tamarack clinical services was owned by a large local hospital corporation. Mark has since returned to Tamarack and, while missing direct client services, now enjoys the opportunity and challenges of new product development.
When he is not at work, Mark enjoys family activities, and spends as much time as possible with his wife, grown children, and two great grandchildren. He enjoys gardening, home remodeling activities, working with wood, playing the trumpet and outdoor activities such as water skiing, fishing, hiking, bicycling, camping, kayaking, and sailing.
Engineering
Amanda graduated in 2011 from Iowa State University with degrees in Biology and Art & Design. She then went on to complete the Prosthetic/Orthotic Technician and Assistant Programs at Century College. She is excited to be a part of a small company where everyone has a voice and has a hand in the creative process. Outside of work Amanda enjoys spending as much time as she can outdoors hiking, camping, cross country skiing and insect collecting. She enjoys time with family and friends, as well as exploring new interests.
Manufacturing / Production
Raquel Adams
Production Process Operator
Raquel moved to Minnesota from California and attended Minnesota School of Business for Computer Systems. Raquel joined Tamarack in May of 2004. She enjoys the atmosphere and friendly staff and also appreciates the flexible schedule that Tamarack offers her. Away from work Raquel enjoys music and spending time with her family and friends.
Production Process Operator
Adam Erickson, PE
Manufacturing Manager
Adam graduated from Michigan Technological University with a mechanical engineering degree and a background in biomechanics. Adam appreciates working for a small company where he has the opportunity to experience the entire process of developing, manufacturing and selling new products. Away from work, Adam enjoys spending time with his family and playing various sports include beach volleyball and curling.
Production Process Operator
Sewing Specialist
Administration
Brenda Hofschild
Director of Business Administration
Brenda has an Associate Degree in Accounting as well as several years of HR, payroll, accounting, and administrative experience. She finds her position at Tamarack fulfilling and enjoys the small company atmosphere. Outside of Tamarack Brenda enjoys spending time with her three daughters. In her free time, she likes to read, go biking and hiking, and enjoys working with various crafts.

Accounts Payable