Mark Van Sumeren is a senior advisor, board leader, and strategist with more than four decades of experience helping organizations govern, decide, and perform under constraint.He is the Managing Director of Health Industry Advisor LLC, where he provides governance, strategy, and operational counsel to public, private, venture-backed, and private equity-sponsored companies across the healthcare ecosystem. His work focuses on helping boards and executive teams confront complex tradeoffs, design decision-making structures, and convert strategy into sustained performance.Over the past twelve years, Van Sumeren has served on the boards of multiple private equity portfolio companies, including roles as Non-Executive Chair for two organizations through successful exits. He has led strategic planning and transformation efforts for companies ranging from $10 million to $7 billion in annual revenue, spanning healthcare services, supply chain, technology, and industrial operations.Earlier in his career, he served as Chief Strategist for a Fortune 300 company and spent twenty years with a leading professional services firm, including ten years as a Partner, advising senior executives and boards on strategy, operations, and organizational effectiveness.Van Sumeren is a Fellow of the American College of Health Data Management and the author of three books in the Strategic Leadership series, including A Trip to Strategic Leadership and Return to Strategic Leadership: Judgment in the Age of AI. Strategic Leadership When Time Is the Constraint completes the trilogy, extending the focus to governance, fiduciary responsibility, and decision pace in complex institutions.He holds an MBA and a Bachelor of Science in Industrial and Operations Engineering (IOE) from the University of Michigan, where he serves on the University's IOE Advisory Board. His contributions have been recognized with induction into the Bellwether League Hall of Fame for Supply Chain Leadership and designation as a GHX Healthcare Hero.Van Sumeren works at the intersection of strategy, governance, and execution-where time is rarely neutral and leadership is measured by what organizations can choose before options disappear.