Company Directory

SwMR is a Family Corporation and we strive to provide the best career opportunities for our employees and their families.  We pride ourselves in hiring and training top talent in the industry. We seek the best people to give us a talent advantage to provide expert customer support. Our leadership team is focused on empowering our people through supporting their goals, and helping them find meaning in what they do.

Executives and Directors

Don McCormack

Don is the founder and CEO of SwMR. Prior to starting SwMR in 2004 as a medical imaging service company Don graduated from Keller School of Management/DeVry University with a Bachelor of Science Degree in Electronics Engineering Technology. Don then gained highly technical experience in medical imaging during a15-yearr career with General Electric Healthcare.


His time there culminated in his leadership of the West region installation and special projects team, who’s function was to completely manage the process of installing a 53 million dollar annual backlog. Don’s vision and leadership of SWMR has produced a three company core group with a mulit-million dollar annual revenue, holding a majority stake in four companies and a minority stake of three other companies.

Russ Caldwell

Russ is a graduate of Colorado State University with a Bachelor of Science in Electrical Engineering and a Minor in Mathematics. Russ joined SWMR in July of 2005. As an owner, he helped Don grow the business. He is also responsible for all back office administration support and is incorporating a custom-designed software package for accounting of Field Service Work, Part Sales Opportunities, Repair Operations and Inventory Management to streamline reporting, invoicing and payroll.

Don McCormack III

Currently serving as our Chief Sales Officer, Don’s industry experience began in elementary school, accompanying Southwest Medical Resources’ founder, Don McCormack, on service calls. He began his employment with SwMR in the warehouse and held several key positions, including Project Engineer, Remote Service Engineer, Account Manager, Procurement Manager, and most recently CSO. Don oversees capital equipment sales, contract sales, part sales, procurement, marketing, and iCare, SwMR’s customer service division. Don is bringing a focus of analytics and processes to the sales, marketing, and customer service departments with an emphasis on giving customers the ability to see the progress of their project, service call, or part sale in real time.


Don attended California Polytechnic University in San Luis Obispo majoring in Industrial Technology. Don is continuing his studies currently at Penn State World Campus majoring in Business Finance. 

Randy Linden

Randy Linden started furthering his education out of high school at Devry University with an Associates degree in Computer and Electronic Technology and Bachelors degree in Technical Management. At the same time, he started his career at the age of 20 in the Medical Field becoming the first employee at Southwest Medical Resources(SwMR).  With the customer demand, the project team became a much-needed division to install and de-install equipment around the globe.  As we have grown continuing education and training to become the next big part of the development path. Randy’s current role is now Chief Technical Officer (CTO), where he is responsible for all of the support and Product teams within the company. With now, over 13+ years Randy has helped to build and transition SwMR into the world-class service organization you see today.

Rudy Bracamonte

Rudy Bracamonte, Jr. currently serves as our Chief Operating Officer and comes to us from a retail background. Rudy is a technology executive with more than 15 years experience and 10 years as a VP of Information Systems (IS).


As a graduate of the University of Phoenix with a bachelor’s degree in Business, Rudy has overseen IS operations and strategic planning for multiple locations of a large retail chain, including both corporate and store systems. Through collaboration with C-Level executives, department heads, and subject matter experts, Rudy is able to define key metrics, business rules, and processes to drive alignment with corporate process standardization, as well as team performance.

Peter Cho

Peter brings over 15 years of accounting and finance experience. He has a Bachelor of Science degree in the School of Accountancy from DePaul University at Chicago. Peter began his professional career working for a global manufacturing company. During his career, he held positions of staff accountant, assistant controller, controller and division accounting & finance manager. Notably, he was responsible for consolidating and reviewing financials for over 120 manufacturing plants within the division. He was also part of the merger and executive team. Peter joined the SwMR family in 2015. 

Sean Mykleby

Sean Mykleby is the President and Founder of Thermo Magnetics & Cryogens, Inc. (TMC), which operates as a SwMR affiliated company. Sean studied Thermo Dynamic Engineering at Ferris State University before beginning his 18+ year career in the healthcare industry. Prior to founding TMC, Sean developed a deep foundational knowledge of MRI systems with a special interest in superconducting magnets and cryogenics.  Sean's diverse experience includes OEMs, independent service companies and multiple start-ups. Through those experiences, Sean has a strong Sixth Sigma background and holds an MRI Noise Reducing Patent. As such, Sean has become a passionate leader who is fiercely committed to his teams and leading with integrity.

 In his current role, Sean hopes to continue bringing innovative solutions to market that help customers leverage more efficient technology, reduce operating costs and provide world-class care to patients.

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Accounting and Human Resources

Thermo Magnetics and Cryogens (TM&C)

1290 E Elm Street, Ste. B
Ontario, CA 91761


Mailing Address

P.O. Box 3400
Ontario, CA 91761

Southern California

Local: (951)734-3737 

Fax: (909)773-0868

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