Board of Directors

Caitlin Zulla
CEO

Caitlin Zulla is our Chief Executive Officer, a position she has held since January 2025, and a member of our board of directors. Prior to this role, Ms. Zulla served as the Chief Executive Officer of Optum Health East, a healthcare service provider, from 2023 to January 2025. Prior to that, from 2019 to 2023, she served as the Chief Executive Officer of SCA Health, an operator of outpatient surgery facilities, where she also previously held the roles of Chief Financial Officer and Chief Administrative Officer from 2018 to 2019 and Chief Administrative Officer in 2017. Ms. Zulla currently serves on the boards of directors of National Vision Holdings, Inc. (Nasdaq: EYE), a provider of eye care, for which she also serves on the compensation committee, and One World Surgery, a non-profit aimed at delivering primary and surgical care in developing countries. Ms. Zulla earned a Bachelor of Arts from Princeton University, a Master of Public Health and Health Management from Columbia University and a Master of Healthcare Delivery Science from Dartmouth College.

Lee Cooper
Chairman

Lee Cooper is a member of our Board. Mr. Cooper has served as the Chief Executive Officer of AssistRx, LLC, a provider of specialty pharmaceutical solutions and patient-support services, since March 2025 and also served as the chairman of its board of directors from 2024 to March 2025. Prior to joining AssistRx, Mr. Cooper served as our Chief Executive Officer in 2024 and as an Operating Partner at WCAS in 2023. Earlier in his career, Mr. Cooper held other executive roles, including Executive Vice President – Pharmacy of Walgreens, a pharmacy store chain, from 2022 to 2023 and Chief Executive Officer of Shields Health Solutions, a specialty pharmacy integrator and care provider, from 2020 to 2022. Prior to that, Mr. Cooper held multiple leadership positions at General Electric, a multinational conglomerate, including serving as the President and Chief Executive Officer of GE Healthcare – U.S. and Canada from 2016 to 2019. Mr. Cooper earned a Bachelor of Arts from Ohio Wesleyan University. Mr. Cooper brings extensive operational, management and industry experience to our Board.

Chairman of the Board
Molly Joseph
Director

Molly Joseph is a member of our Board. She founded and has served as a Managing Partner of Cypress Pass Ventures, LLC, a healthcare-focused investment firm, since 2021. Prior to founding Cypress Pass Ventures, Ms. Joseph served in various roles at UnitedHealth Group Incorporated (NYSE: UNH), a healthcare company, from 2004 to 2021, including as President and then Chief Executive Officer of UnitedHealthcare Global from 2010 to 2020; and as Senior Vice President and then Executive Vice President of UnitedHealth Group from 2009 to 2021. Ms. Joseph currently serves on the boards of directors of West Pharmaceutical Services, Inc. (NYSE: WST), a manufacturer of containment and delivery systems for injectable drugs and healthcare products and AMSURG Corp., a manager of ambulatory surgery centers, and as Vice Chair of the Board of Trustees of Santa Clara University. She previously served on the board of directors and as the lead independent director of First Solar, Inc. (Nasdaq: FSLR), a solar technology and manufacturing company, from 2017 to May 2025 and Bend Health, Inc., a provider of pediatric digital mental healthcare services, where she also served as chair of the board of directors. Ms. Joseph earned a Bachelor of Science from Santa Clara University and a Juris Doctor from Georgetown University Law Center. Ms. Joseph brings to our Board a wealth of experience in operating, managing and growing healthcare companies.

Independent Director
Lead Director
Brett Brodnax
Director

Brett Brodnax is a member of our Board. Since 2024, Mr. Brodnax has served as Executive Chairman of United Surgical Partners International, Inc., an ambulatory surgery platform, which he joined in 1999. Prior to his service as Executive Chairman, Mr. Brodnax held several senior leadership roles at United Surgical Partners, including as its Senior Vice President, as its Executive Vice President and as its Chief Development Officer between 2001 and 2018, and as its President from 2011 to 2024 and Chief Executive Officer from 2018 to 2024. Mr. Brodnax currently serves on the boards of directors of Emerus Holdings, Inc., a developer and operator of neighborhood hospitals, Vatica Health, Inc., a risk adjustment and quality of care solution, and OrthAlign Corporation, a provider of ASC technology for orthopedic surgery. Mr. Brodnax earned both a Bachelor of Science and a Master of Science of Industrial Engineering from Texas A&M University and a Master of Business Administration from the University of Texas at Dallas. Mr. Brodnax brings to our Board his expertise in outpatient healthcare strategy, development and operations.

Independent Director
Brian Regan
Director

Brian Regan is a member of our Board. He has previously served as the Head of the Healthcare Group and currently serves as a General Partner at WCAS since 2016, where he is part of a team focused on building and expanding leading healthcare companies. Mr. Regan joined WCAS in 2002 and is a member of the firm’s Management Committee. He currently serves on the boards of directors of Liberty Dental, a nationwide dental plan, Abzena Ltd., a provider of biotherapeutic and antibody drug conjugates development services, Kiniciti Bio, Inc., a WCAS platform focused on CGT therapies, and The Health Management Academy, a membership-based community of healthcare professionals. He previously served on the boards of Aptuit LLC, a pharmaceutical services provider, Laurus Labs Ltd (NYSE: LAURUSLABS), a pharmaceutical and biotechnology company, U.S. Anesthesia Partners, a provider of anesthesiology services, Springstone Health Opco, LLC, a national behavioral health provider, and US Acute Care Solutions, LLC, a provider of acute care services. Mr. Regan earned a Bachelor of Arts from Yale University. Mr. Regan brings to our Board a wealth of experience in investing in and growing healthcare companies. Mr. Regan was appointed to serve as a director upon the completion of this offering pursuant to the Stockholders Agreement.

Dr. Bob Mittl
Director

Dr. Robert Mittl is a member of our Board and Chair of Lumexa Imaging’s National Physician Leadership Board, a role he assumed in 2021, and has served as the Chief Quality Officer of Lumexa Imaging since 2024. Dr. Mittl joined Charlotte Radiology, P.A., an imaging services provider that later became part of Lumexa Imaging, in 1993, where he chaired the Physician Operations Committee for 13 years and served as Chairman and President of the group for 10 years. Dr. Mittl is also a practicing neuroradiologist. Dr. Mittl earned both his Bachelor of Science and Master of Science from Yale University and received his Doctor of Medicine from Washington University School of Medicine in St. Louis. Dr. Mittl brings to our Board expertise in clinical radiology.

Glenn Eisenberg
Director

Glenn A. Eisenberg is a member of our Board. Since May 2025, Mr. Eisenberg has served as a Senior Advisor to Labcorp Holdings Inc. (NYSE: LH), a laboratory testing company. In 2024, Mr. Eisenberg served as an Executive Vice President of Labcorp, following his service as its Executive Vice President and Chief Financial Officer from 2014 to 2024. Before joining Labcorp, Mr. Eisenberg served as the Executive Vice President, Finance and Administration, and Chief Financial Officer of The Timken Company (NYSE: TKR), a global manufacturer of highly engineered bearings and alloy steels and related products and services, from 2002 to 2014. Mr. Eisenberg currently serves on the boards of directors of Solventum Corporation (NYSE: SOLV), AMSURG Corp., a manager of ambulatory surgery centers, and SYNLAB International GmbH, a laboratory diagnostics company. Previously, Mr. Eisenberg served on the boards of directors of U.S. Ecology, Inc. (formerly, Nasdaq: ECOL), an environmental services company, from 2019 to 2022, Perspecta Inc. (formerly, NYSE: PRSP), a provider of data solutions, from 2019 to 2021, Family Dollar Stores Inc. (formerly, NYSE: FDO), a nationwide retailer, from 2002 to 2015 and Alpha Natural Resources Inc. (formerly, NYSE: ANR), a producer of metallurgical coal, from 2005 to 2015. Mr. Eisenberg earned a Bachelor of Arts from Tulane University and a Master of Business Administration in Finance from Georgia State University. Mr. Eisenberg brings to our Board public financial and operational experience and extensive experience in public company board membership.

Bridget Karlin
Director

Bridget E. Karlin is a member of our Board. Ms. Karlin founded BEK Strategies, Inc., a business and technology consulting firm, and has served as its Managing Director since 2022. Ms. Karlin was the Senior Vice President of Information Technology at Kaiser Permanente, an integrated managed healthcare consortium, from 2021 to 2024, and from 2017 to 2024, she served as Global Chief Technology Officer for the Global Technology Services division of International Business Machines Corporation (NYSE: IBM), a technology innovator in computing, artificial intelligence and enterprise services. Prior to that, from 2011 to 2017, she held executive leadership roles at Intel Corporation (Nasdaq: INTC), a global semiconductor manufacturer, including as General Manager of its Internet of Things division, General Manager of its Hybrid Cloud business and Vice President of its Data Center Software division. Ms. Karlin currently serves on the boards of directors of Dana Incorporated (NYSE: DAN), a global automotive manufacturer of conventional, hybrid and electric vehicles, and LyondellBasell Industries N.V. (NYSE: LYB), a multinational petrochemical company. She is a member of the Council on Foreign Relations where she advises on AI, cyber security and other advanced technologies. Ms. Karlin is a graduate of the University of California, Santa Barbara and the Harvard Business School Executive Leadership Program. Ms. Karlin brings to our Board experience in leveraging advanced technology and with innovating capabilities for healthcare delivery.

Independent Director
Dr. Matt Lungren
Director

Dr. Matthew Lungren is a member of our Board and has served as a GM AI Technical Advisor in the Office of the CTO for Microsoft Corporation (Nasdaq: MSFT), a technology company, since September 2025. He previously served as Chief Scientific Officer, Microsoft Health & Life Sciences and as a Visiting Scientist, Microsoft Research from 2021 to 2025. Prior to joining Microsoft, from 2014 to 2021, Dr. Lungren was a clinical interventional radiologist and research faculty member at Stanford University School of Medicine, where he co-founded and led the Stanford Center for Artificial Intelligence in Medicine & Imaging (AIMI), and has continued as Adjunct Professor at Stanford in the department of Biomedical Data Science since 2021. Dr. Lungren earned a Bachelor of Arts from Arizona State University, a Master of Public Health from the University of North Carolina at Chapel Hill and a Doctor of Medicine from the University of Michigan. He completed his Radiology residency and Interventional Radiology fellowship at Duke University. Dr. Lungren brings to our Board expertise in clinical radiology and machine learning in healthcare.

Independent Director