Business Faculty

Alan M. Preston, Sc.D. (Austin and San Antonio Campuses) MBA Instructor

Sc.D. in Public Health and Tropical Medicine, Tulane University, New Orleans, LA
M.H.A., Tulane University, New Orleans, LA

Dr. Preston brings his extensive experience to Texas Health and Science University.  He has served as Chief Executive Officer for Oncologics, a company of eight radiation and oncology clinics, and GMG Management Group, in which he was responsible for business units under a holding company including primary care clinics, outpatient surgery center, physical therapy, occupational medicine, radiology and urgent care.  He was CEO and Founder of Synergist Research, where he serviced co-owned research centers as well as contract research functions to various start-up pharmaceutical companies.  From 2010 to 2012, Dr. Preston previously served as Vice President for Academics, Research and Assessment at Texas Health and Science University.  He has served as Professor at University of the Incarnate Word in San Antonio and has taught graduate-level business and management students and conducts research in the areas of epidemiology, statistics, healthcare policy, health insurance systems, and healthcare management at Texas A&M University.

Ramey Ko, J.D. MBA Instructor

J.D. of Law with Honors, University of Chicago Law School, Chicago, IL
B.A. in History, Yale University, New Haven, CT

Teaching Specialization: Business Law

Dr. Ko is a lecturer and practicing lawyer in the areas of immigration, small business, criminal, and commercial litigation. He works extensively in the Asian American community in Austin and serves on numerous boards, including the Greater Austin Asian Chamber of Commerce. Dr. Ko has served as commissioner for the City of Austin Public Safety Commission, associate judge for Austin Municipal Court, legal intern for the U.S. Department of State and for Senator Tom Harkin, and law school exam instructor for Kaplan, Inc. His skills and broad practical experience make him a welcome faculty member at Texas Health and Science University.

Dan Puhl, CPA MBA Instructor

MBA Metropolitan State University, Minneapolis, MN
M.S. in Accounting, Liberty University, Lynchburg, VA
Master of Strategic Studies, United States Army War College, Carlisle, PA
B.S. Physical Education, University of Minnesota

Mr. Dan Puhl has worked in not for profit, for profit, and federal government positions for 25 years, culminating as a Plant Manager for Sodexho Marriott Services. After completing his MBA, he continued accounting studies and passed all four sections of the CPA examination on the first attempt in 2002. He worked as financial controller for small businesses until being called to Active Duty to command the mobilization and demobilization activities at Fort McCoy, Wisconsin for two years. After returning to Minnesota, he managed Fairview Health Services $2 billion annual cash flow and $1.6 billion of investments until being selected as Chief Financial Officer for the 2008 Republican National Convention. Following the Convention, he started Cardinals FEC Compliance Services, PLC to provide contribution processing, recordkeeping, and FEC reporting for federal committees. In 2011, he accepted the position of Chief Financial Officer for the Republican National Committee. In 2012, he resumed his work with Cardinals FEC Compliance Services as they added national, state, PAC, and candidate client committees. Dan holds master’s degrees in Business from Metropolitan State University, and Strategic Studies from the US Army War College.

Qijun Gu, Ph.D. (Austin Campus) MBA Instructor

Ph.D., Information Sciences and Technology, Pennsylvania State University — University Park 
M.S. Communication and Information Systems, Peking University — Beijing
B.S. Electronics and Information Systems — Beijing

Teaching Specialization: Information Technologies in Business

Qijun Gu received the Ph.D. degree in Information Sciences and Technology from Pennsylvania State University in 2005, the Master degree and the Bachelor degree from Peking University, China, in 2001 and 1998. His research interests cover various topics on network, security and telecommunication. He has been working on projects including denial of service in wireless networks, key management in broadcast services, worm propagation and containment, genetic algorithm in network optimization, etc. His current projects include vulnerability in sensor applications, authentication in ad hoc and sensor networks, and security in peer to peer systems.

Kan-Lee Liou, Ph.D. (Austin Campus) MBA Instructor

Ph.D., Electrical Engineering, University of Washington — Seattle
M.S. Electrical engineering, National Taiwan University — Taipei
B.S. Electrical Engineering, National Taiwan University — Taipei

Teaching Specialization: Information Technologies in Business


Dr. Liou has been working as a software developer and project manager since 1993 His career has led him to specialize in increasingly in the management of complex projects. He has successfully managed teams of up to 70 members to deploy mission-critical IT solutions in workflow control/automation, enterprise resources planning, customer relationship management, web services, e-commerce and mobile applications. Dr. Liou maximizes the utilization of all available software/hardware systems to best improve efficiency and reduce costs for corporations. When not teaching at THSU, Dr. Liou is employed as a data architect at the Texas Department of Health and Human Services. 

Antonio Holloway, MBA Instructor, Financial Aid Officer

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.