Skip to main content

Executive Management

Bjarne Bergheim
President & CEO

Bjarne Bergheim has served as our Chief Executive Officer and President and as a member of our board of directors since 2008. Mr. Bergheim was our first employee and previously served as our Chief Operating Officer from 2006 to 2008. Prior to joining us, Mr. Bergheim was a co-founder and a member of the management team of Fjord Ventures, LLC, a life science accelerator located in Laguna Hills, California focused on building and operating companies in the medical device, diagnostic and biopharmaceutical sectors. Previously, Mr. Bergheim was the first employee of 3F Therapeutics, Inc., which was acquired by ATS Medical and later by Medtronic, Inc. Mr. Bergheim received a B.S. in mechanical engineering from the University of California, Irvine and an M.S. in mechanical engineering from the California Institute of Technology. Mr. Bergheim also studied cardiovascular and biomedical engineering at NTNU, Norway in collaboration with Stanford University and California Institute of Technology.

Bjarne Bergheim
John Bostjancic
Chief Financial Officer

John Bostjancic has served as our Chief Financial Officer since June of 2024. Mr. Bostjancic served as Chief Financial Officer of Orthofix Medical following its merger with SeaSpine Holdings Corporation from January 2023 until September 2023. Prior to that, Mr. Bostjancic served as Chief Financial Officer and Treasurer at SeaSpine since March 2015, and in May 2022 he was appointed to an expanded role of Chief Operating and Financial Officer. Mr. Bostjancic served as acting Chief Financial Officer of the SeaSpine business within Integra Life Sciences Holdings Corporation from 2014 to 2015 and from 2012 to 2014 he was Senior Vice President of Global Supply Chain at Integra.

Mr. Bostjancic’s responsibilities included global planning, kitting, distribution, logistics and customer service in the role, and he led the project team implementing the U.S. Food and Drug Administration’s “unique device identifier” rule in 2014. From 2008 to 2012, he was Senior Vice President of Financial Planning and Analysis at Integra. Since joining Integra in 1999, he held roles of increasing responsibility in the finance organization, including Corporate Controller from 2003 through 2006. Before joining Integra, from 1998 through 1999 Mr. Bostjancic was a manager in the accounting standards team at Merck & Co., Inc., a publicly traded health care company. From 1993 to 1998, he worked in the business assurance organization at PricewaterhouseCoopers. Mr. Bostjancic received his B.S. in Accounting from the College of New Jersey.

John Bostjancic
John P. McGaugh
Senior Vice President, Operations

John P. McGaugh has served as our VP of Operations since May 2023 and brings more than 20 years of manufacturing and supply chain experience in startup and large publicly traded companies. From July 2019 to May 2023, Mr. McGaugh served as a multi-site operational leader for Abbott Vascular. In addition to his experience at Abbott Mr. McGaugh has held leadership roles at Boston Scientific and American Medical Systems.

Senior Vice President, OperationsMr. McGaugh received a B.S. in Marketing from San Francisco State University, and an M.B.A. in Operations & Supply Chain Management from Golden Gate University, Ageno School of Business.

John P. McGaugh
Robert Mac Guyatt
Senior Vice President, Marketing

Robert (Bob) Mac Guyatt serves as Senior Vice President of Marketing at Sonendo, bringing over two decades of commercial leadership in the medical technology space. Across three tenures with the company—first from 2015 to January 2020, then from March 2021 to March 2023, and returning in 2024—Robert has consistently played a pivotal role in shaping Sonendo’s brand, growth strategy, and commercial momentum.

Currently, Robert leads all aspects of marketing at Sonendo, including brand strategy, product positioning, demand generation, and go-to-market execution. In his prior roles, he architected the company’s post-COVID sales growth strategy, launched high-impact campaigns, and led marketing efforts that accelerated adoption of the GentleWave® System.

Before joining Sonendo, Robert held global executive marketing roles within Danaher’s dental platform from 2010 to 2014 and led U.S. Sales and Global Marketing at Lifecore Biomedical prior to its acquisition.

He holds a B.B.A. from Point Loma Nazarene University and an M.B.A. in Global Marketing from the University of Redlands. His expertise in corporate innovation is further enriched through the one-year corporate innovation business program at Stanford GSB.

Robert Mac Guyatt
Kevin Yein
Vice President, Product Development

Kevin W. Yein has served as our Vice President, Product Development since January 2023. Prior to his current role at Sonendo, Mr. Yein served as our Director, Systems Engineering from January 2020. From January 2014 to January 2020, Mr. Yein was the Director, Project/Systems Engineering at a division of L3-Harris, providing power delivery systems to the US Navy. Mr. Yein also worked at Beckman Coulter Inc., a division of Danaher, for over 11 years in various Product Development roles bringing IVD products to market.

Mr. Yein received a B.S. in Industrial Engineering and Operations Research from the University of California, Berkeley, an M.S. in Industrial and Systems Engineering from the University of Southern California, and an M.B.A. from the University of Southern California.

Kevin Yein