Astrana 医疗 ASTH

Mr. Sim is the Chief Executive Officer and President at Astrana, where he leads the Company in its mission to enable providers in delivering accessible, high-quality, and high-value care to all. He leads the healthcare delivery transformation effort for physicians and patients and oversees the Company's strategy, growth, operations, and technology innovation. Mr. Sim previously served as the Company's Co-Chief Executive Officer from November 2021 to January 2024 and also served as Chief Operating Officer, Chief Technology Officer, and Vice President of Engineering since joining Astrana in 2019. Prior to joining Astrana, Mr. Sim served as Quantitative Researcher at Citadel Securities from 2015 to 2019. From 2012 to 2015, Mr. Sim co-founded and served as Chief Technology Officer at Theratech, a medical device company focused on developing a low-cost, simple-to-use patch for automated drug delivery. Mr. Sim serves as a board member for a private healthcare technology company and previously served as a board member of Cardio Diagnostics Holdings, Inc. from October 2022 to December 2023. Mr. Sim received his Master of Science in Computer Science and Engineering as well as his Bachelor of Arts in Statistics and Physics with high honors from Harvard University.

Mr. Basho is the Chief Operating Officer and Chief Financial Officer at Astrana, where he leads the development and execution of the Company's operations, finance and strategy along with improving operating discipline to ensure the Company's ability to scale successfully. With over 15 years of experience in strategy, finance, and operations at reputable healthcare companies, Mr. Basho brings a wealth of knowledge and expertise to this role. Mr. Basho previously served as the Company's Chief Financial Officer and Chief Strategy Officer from May 2023 to January 2024 and as Interim Chief Financial Officer and Chief Strategy Officer from May 2022 to May 2023. Prior to joining Astrana Health, he served as Vice President of Strategy and Corporate Development at Alignment Healthcare, a consumer-centric platform focused on the healthcare experience for seniors, and Chief Financial Officer at Alsana, a private equity-backed behavioral health company. Mr. Basho also held various positions at companies in the DaVita medical group, a health care provider, including HealthCare Partners and DaVita Kidney Care. Mr. Basho received a bachelor's degree in Bioengineering from the University of California, Berkeley, and a Master of Business Administration from the Wharton School at the University of Pennsylvania.

Dr. Sim is the Co-Founder and Executive Chairman of the Company. He has been the Chairman of Astrana Health Management, Inc., a wholly owned subsidiary of the Company (AHM), since 2013 and has been a member of the AHM Board of Directors since 2006. Dr. Sim also serves as the Chairman of the Board of APC. Dr. Sim is a Fellow of the American College of Surgeons and was awarded the Independent Physician Leadership Award in 2014 by the Los Angeles County Medical Association. Dr. Sim is also a member of the Governing Board of Directors at Alhambra Hospital Medical Center and a Board Member on the National Council of Asian Pacific Islander Physicians. As an entrepreneur, Dr. Sim founded Healthcare City in the City of Industry, California, which helped streamline the healthcare process by providing outpatient health services at one location, which included a surgical center, a senior wellness center and laboratory, radiology, and urgent care services. He received his bachelor's degree from the University of California, Los Angeles, and received his medical training from the Loma Linda University School of Medicine and the Autonomous University of Guadalajara, in Guadalajara, Mexico.

Dr. Lam is the Co-Founder of the Company and has served as Vice Chairman of the Company since January 2024. Dr. Lam previously served as the Company's Co-Chief Executive Officer and President from September 2019 to January 2024; as the Company's Chief Executive Officer from April 2019 to September 2019; and as the Company's Co-Chief Executive Officer from December 2017 to March 2019. Dr. Lam has also served as Chief Executive Officer of AHM since January 2006 and has been a member of AHM's Board of Directors since 2005. From January 2006 to September 2014, Dr. Lam was the Chairman and Chief Executive Officer of APC. Since October 2014, he has served as the Chief Executive Officer and Chief Financial Officer of APC. Dr. Lam was the recipient of the Corporate Citizens of the Year Award from the Board of Directors of East Los Angeles College Foundation in April 2014. In February 2015, the YMCA Board of Directors of West San Gabriel Valley honored Dr. Lam as the recipient of the Heart of the Community Award. Dr. Lam received his medical training from New York Medical College and his gastroenterology training from Georgetown University.

Mr. Kitayama serves as the Company's Lead Independent Director. Mr. Kitayama has served as Chairman of the board of directors of Winslow Drake, a boutique investment advisory and wealth management practice, since June 2016; as Managing Director of MMK & Associates, which advises financial institutions, medical groups, and private companies, since May 2009; and as President of Advanced Biomedical Inc., since September 2019. From April 2005 to May 2009, he served as the Chief Executive Officer, Vice Chairman, and Director of Metro United Bank, and as the Executive Vice President for its holding company, MetroCorp. He also previously served as Senior Vice President Treasurer of East West Bank. Mr. Kitayama previously served as Chairman of the American Diabetes Association-Los Angeles and on the National Finance Committee; as a Trustee and Treasurer for the Los Angeles Ronald McDonald House and on the Finance and Investment Committees for the Ronald McDonald House Charities of Southern California; on the President's cabinet and the Alexis de Tocqueville Society for the United Way of Greater Los Angeles; and on the board for the National Banker's Association. He is a Certified Cash Manager and received a Bachelor of Arts degree in Biology with a Chemistry minor and a Master of Business Administration from Baylor University.

Mr. Schmidt has served as Principal of Schmidt & Associates, a consultancy practice that focuses on strategic planning and implementation in the healthcare industry, since January 2011. From April 2015 through May 2019, Mr. Schmidt also served as the Chief Executive Officer of the TPG-International Health Academy, a company that organizes trade missions to expose senior health plan and health system executives from the United States to other countries' health systems. From August 2002 to December 2010, he served as the Chief Executive Officer and member of the board of directors of SCAN Health Plan, a provider of Medicare Advantage plans. From 2000 to 2002, Mr. Schmidt served as Chief Executive Officer of Medicheck, a firm that provided Internet-based financial service management to healthcare organizations, which was sold to Passport Health Communications. He served on Passport Health Communications' board of directors from 2002 to 2006. From 1992 to 1998, he was the Senior Vice President of Sales and Customer Services for Care America/Blue Shield Health Plan and Regional Vice President for FHP Healthcare. He received a bachelor's degree in economics from UCLA and a Master of Business Administration from The Anderson School of Management at UCLA. Prior to his healthcare experience, he held senior management roles in manufacturing companies including Avery Dennison. He also served on the board of Beacon Healthcare Systems and was a founding board member of the SCAN Foundation, a 501(c)(3) corporation focused on long-term care in the U.S.

Mr. Chiang serves as a consultant. Mr. Chiang previously served as California State Treasurer from 2015 to 2019; as California State Controller from 2007 to 2015; and on the California Board of Equalization from 1999 to 2006. Mr. Chiang began his career as a tax law specialist for the Internal Revenue Service. He then worked as an attorney for then-California State Controller Gray Davis and also worked on the staff of California Senator Barbara Boxer. Mr. Chiang graduated with honors with a Bachelor of Science degree in Finance from the University of South Florida and received his Juris Doctor from Georgetown University Law Center. Mr. Chiang also serves as a member of the board of directors or advisory boards of a variety of companies, including the following: Board of Directors of Pasadena Private Lending, LLC since December 2023, prior to which Mr. Chiang served on the Advisory Board since 2019 ;Advisory Board of Adept Urban since January 2021 ;Board of Directors of ChimeTV since June 2023 ;Board of Directors of GrubMarket since February 2024 ;Board of Directors of Century Housing since February 2024 ;Advisory Board of AlphaX RE Capital since February 2024 ;Board of Directors of Foxx Development Holdings Inc. since November 2024 ;Board of Directors of OFA Group since May 2025 ;Board of Directors of The Hunt Institute since May 2021 ;Advisory Board of the Loyola Marymount Graduate School of Entrepreneurship. Mr. Chiang previously served as a member of the board of directors or advisory boards of the following companies: Board of Directors of Aegis Systems from January 2019 to December 2020 ;Corporate advisory board of Calyx Peak Companies from February 2019 to March 2022 ;Board of Directors of Zeuss Technologies from January 2019 to March 2021 ;Board of Directors of Deep Medicine Acquisition Corp. (n/k/a TruGolf Holdings, Inc.) from October 2022 to January 2024 ;Board of Directors of Chijet Motors from June 2023 to May 2024 ;Board of Directors of Boom Interactive from May 2023 to March 2025.

Mr. Mazdyasni currently provides consulting and advisory services to various companies. Mr. Mazdyasni previously served as Executive Vice President, Chief Administrative Officer, and Chief Financial Officer of HealthCare Partners Holdings, LLC (HealthCare Partners), an integrated health care delivery and management company, until February 2014. As a member of the senior executive team, Mr. Mazdyasni significantly contributed to HealthCare Partners' success, which led to its acquisition by DaVita Inc. in November 2012. Prior to joining HealthCare Partners in 1982, he worked for national and local public accounting firms. Mr. Mazdyasni was an active board member of several trade associations. He was a preceptor to the University of Southern California's Master of Health Administration program for more than 25 years and was named Preceptor of the Year for 2000-2001. Mr. Mazdyasni is a current member of the Health Advisory Board of USC Sol Price School of Public Policy. Mr. Mazdyasni holds a Master of Science degree in Accounting from the University of Kentucky.

Ms. Dong is currently the Senior Executive Vice President of AHMC Healthcare Inc., a fully integrated hospital health system in Southern California with over 1,200 acute care beds and over 7,000 employees. She joined AHMC Healthcare in 1999 and oversees all financial matters for seven acute care hospitals: San Gabriel Valley Medical Center, Garfield Medical Center, Anaheim Regional Medical Center, Whittier Hospital Medical Center, Alhambra Hospital, Monterey Park Hospital, and Greater El Monte Community Hospital. Additionally, Ms. Dong is responsible for all federal, state, and local government relations, as well as all risk management activities. Ms. Dong has also served as the Senior Executive Vice President of Health Source MSO Inc., which provides healthcare-related management and administrative support, since 2005. Ms. Dong has served as a member of the board of directors of Fulgent Genetics, Inc. since August 2019. Ms. Dong is also a board member of the Hospital Association of Southern California, Private Essential Access Community Hospitals, and the American Red Cross, as well as an active member of the Healthcare Financial Management Association. In addition, she chairs or is a participating member of numerous hospital governing boards, hospital committees, and community organizations. Ms. Dong received a Bachelor of Science degree in Economics and a Master's degree in Accounting from the University of Southern California. She also completed a healthcare executive program at the University of Colorado.

John Vong, who has been appointed as Senior Vice President - Accounting effective July 1, 2026, will succeed Mr. Sobotka as the Company's principal accounting officer, effective as of August 7, 2026. Mr. Vong, 52, has previously served as the Company's Group Vice President, Accounting since March 2025. Prior to that, Mr. Vong served as the Company's Chief Accounting Officer and principal accounting officer from November 2022 to March 2025 and as its Vice President of Finance and Accounting from July 2022 to November 2022. Prior to joining the Company, Mr. Vong served as Vice President of Finance and Accounting at Prospect Medical Systems, Inc. from February 2016 to July 2022. Mr. Vong began his career as a certified public accountant with RSM. Mr. Vong received a Bachelor of Science degree in Business Administration from the University of California, Riverside and a Master of Business Administration degree from the University of California, Irvine.