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Meet Our Team

Management team

Tim Herbert

Chairman of the Board
Tim’s passion for Enterra began over 20 years ago while working in the research group within Medtronic.

Peter Sommerness

Chief Executive Officer
Peter joined Enterra Medical as CEO in February of 2022. Prior to joining Enterra Medical, Peter led Respicardia as President and CEO for four years.

John Swoyer

Chief Technology Officer
John brings more than 35 years of experience developing and commercializing new therapies and products within the implantable medical device industry.

Mark Wisniewski

Chief Financial Officer
From 2018 to 2022, Mark worked at FARAPULSE, Inc., a start-up that commercialized the world’s first Pulsed Field Ablation system for cardiac ablation, as Vice President of Commercial Development and Business Operations and CFO.

Dr. Kenneth Koch

Vice President & Medical Director
Dr. Koch is a highly respected professional in the field of neurogastroenterology. He joined Enterra Medical in July 2023, bringing with him a wealth of knowledge and experience.

Bernard Bosley

Vice President, Regulatory Affairs and Quality
Bernie has over 30 years of experience in Regulatory Affairs, Quality Systems, Risk Management, and Reliability for both well-established and early-stage medical device companies.

Nathan Crouch

Vice President, Sales
Prior to being named the Vice President of Sales at Enterra Medical, Nathan spent 15 years at Medtronic in a variety of sales, marketing, and leadership roles.

Jenny Rogers

Vice President, Marketing
Jenny has over 13 years of medical device marketing experience in market development, downstream product management, and integrated marketing communications.

John Mattson

Vice President, Operations
John joined Enterra Medical in March 2022. Before joining Enterra Medical, he gained 19 years of valuable experience at Boston Scientific, where he held various roles across Sales Operations, Acquisition, Integration, Distribution, Manufacturing, and Quality.

Ashley Nahorniak

Commercial Director, EMEA
Ash is a highly experienced professional who recently joined Enterra Medical in August 2022. Specialising in Neuromodulation therapies, Ash brings over 11 years of EMEA experience from Medtronic in Business Development, Strategic Accounts, and Territory Manager roles to Enterra Medical

Jason Hamann

Director, Clinical Research
Jason joined Enterra Medical in September 2022 and brings over 18 years of medical device experience to the team. Throughout his career, Jason has demonstrated exceptional leadership skills by spearheading concept and therapy development initiatives across neurostimulation, heart failure, cardiac rhythm management, and electrophysiology.