Administration and Staff

Lisa Ping-Hui Tsao Lin, L.Ac., E.M.B.A. (Austin and San Antonio Campuses)

E.M.B.A., Zhongnan University of Economics and Law (China)
Ming Chuan University (Taiwan)

President Lin and her husband Paul Lin are the founders of Texas Health and Science University, in 1990.  After graduating from Taiwan’s Ming Chuan University, majoring in accounting and statistics, Ms. Lin completed a four-year internship under Dr. P. R. Sun, a renowned doctor of Traditional Chinese Medicine in Taiwan.  Ms. Lin has distinguished herself as a pioneer in the profession of Acupuncture and Oriental Medicine by her successful efforts to pass acupuncture legislation in the State of Texas; in her position as the first Chair of the Education Committee of the Texas State Board of Acupuncture Examiners; and in her work to set high standards for the practice of Acupuncture and Oriental Medicine throughout the United States. In 1993, the governor appointed Lisa Lin to serve on the newly established first Texas State Board of Acupuncture Examiners, on which she served until 1999.  Ms. Lin is a Licensed Acupuncturist and has practiced Traditional Chinese Medicine in Texas for more than 30 years.

David G. Vequist IV, Ph.D.  (Austin and San Antonio Campuses)

Ph.D. in Industrial/Organizational Psychology, University of Tulsa, Tulsa, OK
M.A. in Industrial/Organizational Psychology, University of Tulsa, Tulsa, OK
B.S. in Industrial/Organizational Psychology/Management, Northern Arizona University, Flagstaff, AZ

Teaching Specialization:  Strategy, Management, Business Statistics, Organizational Behavior and Organizational Development

Dr. Vequist is Associate Professor of Management of University of the Incarnate Word in San Antonio, Texas.  He worked as project manager for Ernst & Young in the areas of competency modeling, organizational development, and customer relations manager.  He also served as Director of Human Resources, Planning and Systems for Methodist Healthcare System.  Dr. Vequist’s research interests include training technologies, management of technology, business strategy, project management, competency modeling, data warehousing, knowledge management, organization behavior and effectiveness, and quality improvement.

Paul C. K. Lin, L.Ac., M.A. (Austin Campus)

M.A., Chinese Culture University, Taiwan
B.A., Taiwan National University, Taiwan

Mr. Lin and his wife President Lisa Lin are the proud founders of Texas Health and Science University, established in 1990. Mr. Lin received his early education in Taiwan where he served as a fellow of the Research Institute of Acupuncture at China Academy, Taipei, and as an instructor and fellow of research at the Chinese Culture University. He traveled to the United States through a teacher exchange program and lectured at Seton Hall University in New Jersey. Following the historic trip to China in 1971 by President Richard Nixon, which introduced acupuncture to the American audience, Mr. Lin was able to apply his knowledge through clinical practice in the United States and ultimately led him to pursue the establishment of Acupuncture and Oriental Medicine as a professional career path in the U.S. Mr. Lin has practiced acupuncture and Chinese herbal medicine in Texas since 1974, and was a pioneer in the successful efforts to pass acupuncture practice legislation in the State of Texas. He was the founding Academic Dean of Texas Health and Science University and served in that position until 2005. He currently serves as Director of Development, Facilities, and Operations.

Ronald W. Meyer, C.P.A. (Austin and San Antonio Campuses) CHIEF FINANCIAL OFFICER

B.B.A., Accounting, University of Texas at San Antonio

Mr. Meyer, a native of San Antonio, is a Certified Public Accountant who passed all four parts of the CPA examination on his first attempt in 1991. He joined a local public accounting firm the following summer. He is a member of the Austin Chapter of the Texas Society of Certified Public Accountants, and a frequent speaker for such groups as the Austin Young Lawyers Association, Southwest Region of the National Society of Professional Engineers, South Texas Youth Soccer Association, Texas Association of Builders, and the Texas Society of Professional Engineers. He is the founder and Managing Member of Ronald W. Meyer, P.L.L.C., based in Austin, Texas. His areas of responsibility include preparation or review for individual, corporate, partnership, estate, trust, homeowner association, and non-profit organization tax returns.


M.A.O.M., Texas Health and Science University
B.A., Music, Milton College, Milton, Wisconsin

Ms. Calliham has been a licensed acupuncturist since 1999, working in a variety of practice settings including her own clinics as entrepreneur, in chiropractic offices, and in an athletic club.  She has worked in the administration of THSU for over ten years, assisting the school in accreditation and re-accreditation processes, in student services, and as school representative to annual meetings. Ms. Calliham maintains a private acupuncture practice in the Austin area and is proud to support student success at THSU.


M.D., Education Commission for Foreign Medical Graduates (ECFMG), U.S.A.
Medical Council of Canada (MCC), Canada
M.S. Biological Sciences, University of Texas at El Paso
Bachelor of Medicine, Clinical Medicine, Fu Dan University (formerly Shanghai Medical University, China)

Teaching Specialization: Biological Sciences

Dr. Cai’s professional career in biomedical sciences spans nearly 30 years, and includes distinguished service in China, Canada, and the United States. After completing his Bachelor of Medicine degree he practiced as a physician in the Shanghai Medical University Hospital before immigrating to North America. Dr. Cai has served as a board member of the Acupuncture Committee of Alberta, Canada, and also as the Dean of Academic Affairs at Alberta College of Acupuncture and Traditional Chinese Medicine. He has taught a variety of biological science courses at colleges and universities in Mexico and Texas. He is a Diplomate of Oriental Medicine of the National Certification Commission for Acupuncture and Oriental Medicine. Dr. Cai joined the faculty of Texas Health and Science University in 2006. He has served as Academic Dean at Texas Health and Science University since 2008.


D.A.O.M., Acupuncture and Oriental Medicine, Texas Health and Science University
M.A.O.M., Acupuncture and Oriental Medicine, Texas Health and Science University 
B.S., Physical Therapy, Chang Gung University, Taiwan

Teaching Specialization:  Acupuncture, Herbology

Dr. Chan obtained his doctoral and master degrees from THSU. He previously completed his bachelor’s degree and obtained a physical therapy license in Taiwan in 2008. Because his goal was to increase his technique and skill in pain management and sports medicine, he studied acupuncture and other special techniques such as cupping and Asian bodywork. His herbal studies at THSU built upon his knowledge and experience while assisting his family in their Chinese herb business.  

Antonio Holloway, MBA (Austin and San Antonio Campuses) DIRECTOR OF FINANCIAL AID

M.B.A. Healthcare Management, Our Lady of the Lake – San Antonio, Texas
B.B.A. Finance, Wayland Baptist University, Plainview, Texas

Mr. Holloway’s professional career spans over twenty-five years in Title IV financial aid administration, and includes experience working with for-profit and private not-for profit institutions.  He is very active in training provided by National Association of Financial Aid Administrators (NASFAA) and The Texas Higher Education Coordinating Board (THECB), and has served before on committees with both organizations.  He is also a member of Delta Mu Delta and Kappa Gamma Pi honor societies.

Jessica C. Tsing, M. Ac. (Austin and San Antonio Campuses) ACCOUNTING MANAGER

Master of Accounting, University of Texas at Dallas, Richardson
B.S. in Accounting and Finance, University of Texas at Dallas, Richardson

Ms. Tsing has held a previous position as a senior assurance associate for RSM LLP in the Dallas office. Throughout her audit career, she worked in several industries such as not-for-profit, commercial, and SEC clients. During her 5-year program at the University of Texas at Dallas, where she received her B.S. in Accounting and Finance and her M.S. in Accounting, she was a Peer Advisor for University housing and held the position as the Multicultural and Diversity Chair for Student Union Activities and Advisory Board for the school. Ms. Tsing began working for Texas Health and Science University in the summer of 2016 and is beginning her studies in Acupuncture at the THSU San Antonio Branch.

Waine  Li, BS Accounting (Austin and San Antonio Campuses) BOOKKEEPER

Bachelor of Science in Accounting, University of Texas at Arlington, Arlington

Mr. Li has held a previous position as a data evaluation analyst at Apple and a bookkeeper at a local daycare. While pursuing his BS in Accounting, he was a member of the Accounting Society, and even received honors. He began working for Texas Health and Science University in the winter of 2017.

Priscilla A Elizondo, M.S. (Austin and San Antonio Campuses) REGISTRAR

M.S. Organizational Leadership, Our Lady of the Lake, San Antonio
B.B.A. Management, University of Texas at San Antonio, San Antonio

Ms. Elizondo has served customers, clients, and students over the past decade. She joined THSU in the summer of 2018. Her previous experience includes admissions, advising, and the reviewing of transferable credit. Additionally, she has participated in and attended many conferences servicing students at the higher education level. These include the National Association of Campus Activities, the National Institute for the Study of Transfer Students, and the Texas Association for College Admission Counseling.

David Sylvia, MLS (Austin and San Antonio Campuses) LIBRARIAN

Master of Science in Library Science, University of North Texas
Bachelor of Arts in English: Creative Writing, University of Houston

David earned his master’s degree in library science online while working as a writing specialist in Houston and later as an assistant librarian in Dallas. He has visited and worked at several higher education institutions in Texas, and over the years has developed an affinity for campus libraries. This affinity has gradually led to a change of career and city of residence. He is very happy and proud to now be the librarian for THSU.