Nathaniel Sisitsky Appointed Chief Legal Officer at QuidelOrtho Corporation

Nathaniel Sisitsky Takes on Chief Legal Role at QuidelOrtho

QuidelOrtho Corporation, recognized for its advancements in in vitro diagnostics, has made a significant appointment to its executive team. As of March 23, 2026, Nathaniel "Nate" Sisitsky has officially taken over the role of Chief Legal Officer (CLO). Reporting directly to Brian Blaser, the President and CEO, Sisitsky will spearhead the company’s global legal, compliance, and corporate governance initiatives.

Having accumulated over 25 years of extensive experience in the legal landscape, particularly within the life sciences and technology sectors, Sisitsky is well-equipped for this pivotal role. Before joining QuidelOrtho, he served as the Chief Legal Officer and Corporate Secretary at STAAR Surgical Company, where he was instrumental in overseeing various global legal operations and compliance functions.

Brian Blaser remarked on the significance of this appointment, stating, "Nate is a seasoned legal executive with deep experience navigating complex public company environments. He brings a thoughtful, business-oriented approach to legal leadership and has a strong track record of guiding organizations through transformations, governance matters, and global regulatory issues." This perspective underlines the strategic value Sisitsky brings to QuidelOrtho as the company pushes forward with its growth strategy.

Sisitsky's predecessor, Michelle Hodges, retired after a distinguished career where she notably enhanced QuidelOrtho's legal and governance frameworks. Her departure marks a transition in leadership, but she will continue to provide advisory support during this period to ensure a seamless handover of responsibilities.

In reflecting on his new role, Sisitsky expressed his enthusiasm to contribute to QuidelOrtho's mission of enhancing global healthcare standards. He stated, "I'm excited to join QuidelOrtho and contribute to a company that plays such a vital role in global healthcare. Diagnostics are essential to informed medical decision-making, and QuidelOrtho has an important opportunity to continue advancing innovation that improves patient care worldwide."

Throughout his career, Sisitsky has been a legal leader during several pivotal organizational changes within the medtech industry. His previous roles included Senior Vice President, General Counsel, and Corporate Secretary at NuVasive, Inc. and CareFusion Corporation, where he was essential in guiding legal and compliance strategies through major corporate transitions, ensuring both continuity and strategic alignment across global operations.

Sisitsky's legal career began at Wilmer Cutler Pickering Hale and Dorr LLP, later transitioning to American Tower Corporation in senior legal capacities before focusing on the medical technology sector.

Academically, Sisitsky holds a Juris Doctor from New York University School of Law and a Bachelor of Arts in Political Science and Economics from Emory University. His robust educational background complements his extensive professional experience, aligning him with QuidelOrtho's dedication to advancing diagnostic solutions that drive improved patient outcomes.

As QuidelOrtho continues to innovate in the field of diagnostics, with expertise across clinical chemistry, immunoassay, immunohematology, and molecular testing, Sisitsky's leadership is expected to enhance its ability to deliver fast, accurate, and reliable results. The organization aims to empower healthcare providers while connecting insights to solutions, fostering clearer paths for informed decision-making and better care for patients.

To learn more about QuidelOrtho and its unwavering commitment to diagnostics, visit quidelortho.com and follow them on platforms like LinkedIn, Facebook, and X.