Our founders, executives, and advisors include successful entrepreneurs, NASA scientists, and individuals with substantial experience in healthcare, technology, and venture capital.

Board of Directors

David Grenewetzki, Executive Chairman of the Board
Ross Jaffe, MD, Managing Director of Versant Ventures
Mark McKee, President of Capital Alternatives
Antoni Mora, CEO of Sorehsa AG
William W. Potts, Former President of Precor USA
Charles Remsberg, CEO of AlterG


Charles Remsberg, Chief Executive Officer
Mr. Remsberg has 20 years of executive experience building global sales for leading high-technology rehab companies. Charles joined AlterG as Vice President of International Sales after serving for 4 years as CEO of Tibion, the creator of the Bionic Leg, where he led the transition from technical idea through market engagement and product commercialization. Tibion pioneered the adoption of the Bionic Leg, a wearable, battery-operated robotic device for mobility impairments, within private clinics, rehabilitation hospitals, home health providers, and skilled nursing facilities.Prior to Tibion, Charles lead the U.S. sales and marketing arm of the privately held Swiss company, Hocoma AG, best known for its clinic-based Lokomat robotic gait orthosis that has helped thousands of American patients with spinal cord, stroke, traumatic brain injury, and cerebral palsy to recover their ability to walk. Mr. Remsberg has also served as Head of Worldwide Sales for Hocoma AG in Switzerland, and for more than 10 years, as an executive of Biodex Medical Systems in New York. At Biodex, he rose from Product Development Manager to Head of Worldwide Sales for this leading pioneer of balance, gait, and joint rehabilitation systems.


Kevin Davidge, Chief Operating Officer
Mr. Davidge has 20 years of executive financial leadership for a wide variety of healthcare/life science companies in the biotechnology, medical imaging, and diagnostics segments. Most recently, Mr. Davidge was CFO for HX Diagnostics, a start-up company developing point-of-care diagnostics tests for infectious diseases. HX was merged into NexusDx in 2009. Prior to that, Mr. Davidge served as CFO for two medical imaging companies, R2 Technology and ZONARE Medical Systems. Revenues in both companies ramped from zero to $30–$60 million within four years of product launch. Earlier in his career, Mr. Davidge was CFO at Athena Neurosciences, a publicly traded biopharmaceutical company where revenues grew from zero to $70 million in four years. Athena was sold to Elan in 1996 for $600 million.Mr. Davidge has extensive fundraising, M&A, and product licensing experience, having raised over $200 million in equity, debt and off balance sheet financings. Mr. Davidge spent the first nine years of his career in the international public accounting firm of KPMG. Mr. Davidge graduated from UC Berkeley Phi Beta Kappa, summa cum laude with a B.S. in Business Administration.


Matt Rudden, Vice President of Operations
Mr. Rudden has over 20 years of experience supporting customer service and operations in the medical device market.  Mr. Rudden’s industry knowledge in medical technology and services have fostered the strategic vision to develop and implement service programs to increase product utility, system uptime, and customer response. His background includes Customer Service Management, Purchasing, and Manufacturing Operations. In previous roles, Mr. Rudden has served in executive roles in Medical Device companies like Mizuho OSI, Biodex Medical Systems, and Tibion Bionic Technologies.


Michael Phillips, Vice President of Engineering
Mr. Phillip’s has over 20 years of experience in Medical Device Engineering, Quality Systems Management, and Operations. He has held Senior Management roles at AlterG, Phillips Medical, and ADAC Labs. Mr. Phillip’s earned an Electrical Engineering degree from Stanford University.