About Us

Jeff Lewis
Chief Commercial Officer
Jeff Lewis is a seasoned medical device executive with more than two decades of experience leading high-performing commercial teams and driving strategic growth. As Chief Commercial Officer at GT Medical Technologies, he oversees all commercial operations, with a focus on expanding access to GammaTile® and enhancing physician engagement.
Prior to joining GT Medical Technologies, Jeff served as Chief Commercial Officer at Adaptiiv Medical Technologies, and prior to that, he was Vice President of Sales at Palette Life Sciences, where he built a best-in-class team and helped scale the company to a $650 million acquisition by Teleflex in under four years.
Earlier in his career, Jeff held commercial leadership roles at Sientra, where he contributed to one of the top medical device IPOs of 2014, and at Mentor Worldwide, where he supported integration efforts following its $1.07 billion acquisition by Johnson & Johnson.
Jeff brings a deep understanding of the medtech landscape, a proven track record of commercialization success, and a passion for improving outcomes for patients undergoing complex treatments.