Consultant Director – Core Facility Center, Shuangho Campus, Taipei Medical University

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Director – Biomedical Mass Spectrometry Core, Taipei Medical University, Taiwan

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Senior Research Specialist – HJ Kung Lab, University of California, Davis, CA

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Researcher – JR Pringle Lab

Professor & Department Chair – Healthcare Administration Department, California State University, Long Beach

Chief Information Officer (CIO) & Vice Provost for Information Services – University of Southern California, Los Angeles (2015–May 2023)

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Dean of Academic Records, Chief Technology Officer (CTO) & University Registrar – University of Southern California (2011–2015)

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Professor of Clinical Data Sciences and Operations – Marshall School of Business, Data Sciences and Operations (DSO) Department, University of Southern California (2003–Present)

Assistant Professor – California State University, Long Beach, CA

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Health Research Science Specialist – Palo Alto VA Medical Center, Menlo Park, CA

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Consultant – Deloitte, Arlington, VA (Rosslyn – DC Office)

CEO – WTC Health Solutions, CA, USA

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Co-CEO – AHMC Healthcare Inc., CA, USA

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Board of Trustee Member – Allied Pacific IPA, USA

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Chair Professor – Taipei Medical University, Taiwan

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Chair Professor – National Tsing Hua University, China

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Chairman of the Board – Foundation for Injury Prevention and Control, Taiwan

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President – Taiwan Global Healthcare Association, Taiwan

Adjunct Professor – University of Southern California, Los Angeles, CA (2002–Present)

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Adjunct Professor – California State University, Dominguez Hills, Carson, CA (2008–Present)

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President – Law Office of Mark A. Velez

Police Chief / Acting City Manager – Palos Verdes Estates Police Department

Professor Emeritus – Health Services Administration, Nonprofit and Public Management and Leadership

(2013–Present)

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Former Professor – Health Services Administration, Sol Price School of Public Policy & Leonard Davis School of Gerontology, University of Southern California, Los Angeles (1992–2013)

Chief Advisor – Indo-Pacific Research Center, Los Angeles, USA (2022–Present)

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Academic Director – International Public Policy and Management, Price School of Public Policy, USC (1999–2022)

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Principal – Winterthur Life Insurance, Taiwan Branch (1994–1995)

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Planning Member – Task Force of National Health Insurance, Taiwan (1991–1993)

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Director – Evaluation Department of Healthcare Benefits, 32-BJ, Cornell Medical College, NY (1986–1991)

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Planning Staff – Certificate of Need Office, Federal Government, NY (1984–1986)

Fellow of ASCO –
American Society of Clinical Oncology

Emeritus President & Chair Professor – Taipei Medical University

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Emeritus President – Taiwan Oncology Society

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Academician – Russian International Academy of Engineering

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Affiliate Professor – California Institute of Technology, Pasadena, CA

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Honor Faculty – City of Hope National Medical Center, Duarte, CA

Distinguished Professor – Graduate Institute of Medical Informatics, Taipei Medical University

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Dermatologist – Taipei Medical University, Wan Fang Hospital

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Chief – International Center for Health Information Technology (ICHIT), College of Medical Science, Taipei Medical University

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Vice Director & CEO – TMU Research Center for Artificial Intelligence in Medicine

Adjunct Associate Professor – University of Southern California

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Data and Research Manager – Downtown Santa Monica Inc., Santa Monica, CA

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Research Fellow (Part-time) – Milken Institute, Santa Monica, CA

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Director of Research & Analytics – Greater Phoenix Economic Council, Phoenix, AZ

Adjunct Professor – California State University, Long Beach

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VP – Healthcare Delivery System, Proview

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Project Manager – OPTUM Health Center, the United Healthcare 

Adjunct Associate Professor – University of Southern California

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Director, Healthcare Economics – UnitedHealth Group (2021–Present)

Chief Technology Officer & Founder – Carrigent Inc., Los Angeles, CA (2024–Present)

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Director, Viral Vector, Gene & Cell Therapy – Theragent Inc., Los Angeles, CA (2022–2024)

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Associate Director, Gene Editing & Viral Vector Core – City of Hope Medical Center, Los Angeles, CA 

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Established, led, and managed the gene editing and viral vector core.(2016–2022)

Senior Scientist – Sino-American Cancer Foundation (SACF) / Theragent

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LIMS Specialist, Staff Scientist – Beckman Research Institute / City of Hope

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Research Scientist –

Novartis Pharmaceuticals, New Jersey