John Hastings is the Chief Executive Officer of Nextern. They previously served as Chief Executive Officer of Nonin Medical, Inc. from 2022 to 2025 and as a board member there from 2024 to 2025. They held the role of Executive Vice President, Operations & Technology at Cardiovascular Systems, Inc. (2021–2022), overseeing R&D, Quality, Operations & Supply Chain, Regulatory Affairs, and Strategic Ventures. They earned a BS in Mechanical Engineering from Minnesota State University, Mankato (1998–2002) and an MBA from the University of Saint Thomas School of Business (2005–2008).
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