Jeffrey S. Mathiesen

Jeff is an accomplished senior executive and director of public and privately held companies with broad experience in the biopharmaceutical, medical device, semiconductor capital equipment and water filtration markets.

Mr. Mathiesen has served as Director and Audit Committee Chair of Sun BioPharma, Inc. (OTCMKTS: SNBP), a publicly traded biopharmaceutical company developing therapies for pancreatic diseases, since 2015, and was appointed Vice Chair and Lead Independent Director in March 2020.

Mr. Mathiesen has also served as Director and Audit Committee Chair of NeuroOne Medical Technologies Corporation (OTCQB: NMTC), a publicly traded medical technology company providing neuromodulation continuous EEG monitoring and treatment solutions for patients suffering from epilepsy and other nerve related disorders, since 2017, and eNeura, Inc., a privately held medical technology company providing therapy for both acute treatment and prevention of migraine, from 2018 to 2020.

Mr. Mathiesen most recently served as CFO and Advisor to the CEO of Teewinot Life Sciences Corporation, a global leader in the biosynthetic development and production of cannabinoids and their derivatives for consumer and pharmaceutical products.

He previously served as the CFO of Gemphire Therapeutics Inc., a publicly-held clinical-stage biopharmaceutical company developing therapies for patients with cardiometabolic disorders, and as CFO of Sunshine Heart, Inc., a publicly-held early-stage medical device company, both of which completed successful IPOs and follow-on equity offerings.

Mr. Mathiesen has held executive and financial management positions with private and publicly traded companies dating back to 1987. He began his career at Deloitte & Touche LLP. Mr. Mathiesen received a B.S. in Accounting from the University of South Dakota and is also a Certified Public Accountant.