Leadership Overview
UT Health San Antonio has 10 executives leading key functions including financial strategy, operational management, clinical administration, and medical education.
Committed to advancing health through excellence in research and patient care, UT Health San Antonio drives transformative medical breakthroughs while fostering the next generation of healthcare professionals across Texas.
Committed to advancing health through excellence in research and patient care, UT Health San Antonio drives transformative medical breakthroughs while fostering the next generation of healthcare professionals across Texas.
Leadership Roles at UT Health San Antonio
Anthony Lobasso - Chief Financial Officer
Anthony Lobasso, the Chief Financial Officer at UT Health San Antonio, directs all fiscal planning and resource allocation for the institution. Managing complex budgetary requirements, the Chief Financial Officer ensures the financial sustainability of medical education and clinical service lines. This role involves rigorous oversight of capital investments and operational expenditures to support the broader mission of research and patient care. By implementing robust financial controls, Anthony Lobasso optimizes the allocation of funds across diverse departments. The Chief Financial Officer maintains alignment with institutional goals by providing transparent reporting to the board and executive leadership. Through strategic financial modeling, Lobasso secures the necessary resources to expand clinical practices and educational programs. This leadership position remains vital for maintaining the fiscal health required to sustain high-quality healthcare services and innovative research initiatives throughout the regional market.
Tim Evans - Chief Financial Officer, Healthcare
Tim Evans, the Chief Financial Officer, Healthcare at UT Health San Antonio, manages the financial performance of clinical service lines and healthcare delivery systems. Overseeing revenue cycle management and cost-efficiency programs, the Chief Financial Officer, Healthcare ensures that clinical operations remain financially viable while providing high-quality patient care. This role involves analyzing market trends to inform investment in new medical technologies and treatment facilities. By optimizing financial workflows, Tim Evans supports the expansion of clinical services across the region. The Chief Financial Officer, Healthcare collaborates with medical directors to align budgetary goals with clinical outcomes. Through strategic financial planning, Evans drives the sustainability of the university's healthcare mission. This leadership role remains essential for navigating the complex financial landscape of modern medicine and ensuring that resources are effectively directed toward improving patient health and clinical excellence.
Jeremy Viles - Chief Operating Officer
Jeremy Viles, the Chief Operating Officer at UT Health San Antonio, manages the daily operational infrastructure supporting clinical services and academic programs. Overseeing internal processes, the Chief Operating Officer ensures that facilities and support systems function at peak efficiency to facilitate high-quality patient care. This role involves optimizing workflows within clinical environments to improve service delivery and patient outcomes. By implementing scalable operational strategies, Jeremy Viles drives improvements in institutional productivity. The Chief Operating Officer collaborates with clinical leadership to align resource utilization with the evolving needs of the healthcare market. Through rigorous performance monitoring, Viles maintains high standards of operational excellence across all campus facilities. This leadership position remains critical for ensuring that the university provides a seamless environment for both medical education and the delivery of specialized treatments to the community.

Andrea Marks - Senior Executive Vice President and Chief Operating Officer
Andrea Marks, the Senior Executive Vice President and Chief Operating Officer at UT Health San Antonio, directs the overarching operational strategy and administrative functions of the university. Overseeing large-scale institutional initiatives, the Senior Executive Vice President and Chief Operating Officer ensures that all departments align with the long-term mission of advancing medical education and healthcare services. This role involves managing complex organizational structures and driving efficiency across clinical and academic divisions. By providing high-level oversight, Andrea Marks secures the stability and growth of the institution. The Senior Executive Vice President and Chief Operating Officer collaborates with other executive leaders to implement strategic plans that enhance the university's market position. Through decisive leadership, Marks optimizes resource management and operational performance. This position remains vital for maintaining the university's reputation as a leader in research, clinical practice, and professional education.

Tanisha Mitra - President, House Staff Council At Ut Health (SAN Antonio)
Tanisha Mitra, the President, House Staff Council At Ut Health (SAN Antonio) at UT Health San Antonio, represents the interests of residents and fellows within the academic medical community. Overseeing the House Staff Council, the President, House Staff Council At Ut Health (SAN Antonio) ensures that the needs of medical trainees are addressed in institutional policy and operational planning. This role involves facilitating communication between house staff and university leadership to improve the educational and clinical experience. By advocating for professional development and wellness initiatives, Tanisha Mitra enhances the training environment. The President, House Staff Council At Ut Health (SAN Antonio) collaborates with faculty to ensure that clinical rotations and educational programs meet rigorous standards. Through active leadership, Mitra drives improvements in the support systems available to medical trainees. This position remains vital for maintaining a high-quality training experience for future healthcare professionals.
Ali Shakir - Chief of Staff
Ali Shakir, the Chief of Staff at UT Health San Antonio, coordinates executive communications and facilitates strategic initiatives across the organization. Overseeing the flow of information between leadership teams, the Chief of Staff ensures that institutional priorities receive consistent attention and resources. This role involves managing complex projects that bridge the gap between clinical operations and academic administration. By streamlining decision-making processes, Ali Shakir enhances the efficiency of the executive office. The Chief of Staff maintains close collaboration with department heads to ensure that organizational objectives remain on track. Through meticulous planning and execution, Shakir supports the integration of research and patient care services. This leadership function remains essential for maintaining operational cohesion and driving the long-term strategic vision of the university within the competitive landscape of medical education and healthcare delivery.
Mark Dieterle - Assitant Professor, Chief Of Staff, Office of the Medical Director
Mark Dieterle, the Assitant Professor, Chief Of Staff, Office of the Medical Director at UT Health San Antonio, bridges the gap between academic instruction and clinical leadership. Overseeing administrative functions within the Office of the Medical Director, the Chief Of Staff ensures that clinical practices adhere to the highest standards of patient safety and educational excellence. This role involves coordinating medical staff activities and integrating research findings into daily clinical operations. By fostering collaboration between faculty and medical practitioners, Mark Dieterle enhances the quality of care provided to patients. The Chief Of Staff manages complex scheduling and policy implementation to support the university's mission. Through active engagement with clinical teams, Dieterle drives improvements in medical service delivery. This leadership role remains essential for maintaining the balance between rigorous academic training and the practical demands of a modern healthcare environment.
Jennifer Milton - Chief Administrative Officer
Jennifer Milton, the Chief Administrative Officer at UT Health San Antonio, directs the administrative functions that support the university's clinical and educational missions. Overseeing human resources, facility management, and organizational policy, the Chief Administrative Officer ensures that the institution maintains a productive environment for staff and students. This role involves streamlining administrative processes to improve operational agility and compliance. By fostering a culture of efficiency, Jennifer Milton supports the broader goals of the university. The Chief Administrative Officer collaborates with other executive leaders to implement policies that enhance institutional performance. Through strategic oversight, Milton manages the complexities of a large academic medical center. This leadership position remains critical for ensuring that the administrative foundation of the university remains strong, allowing faculty and clinicians to focus on their core responsibilities of research, education, and patient care.
Chatchawin Assanasen - Associate Chief Medical Officer, Uthp Ambulatory Services
Chatchawin Assanasen, the Associate Chief Medical Officer, Uthp Ambulatory Services at UT Health San Antonio, directs clinical quality and operational standards within the ambulatory care network. Overseeing outpatient service delivery, the Associate Chief Medical Officer, Uthp Ambulatory Services ensures that patient care remains consistent with the university's high standards of medical excellence. This role involves implementing clinical protocols and monitoring performance metrics to improve patient outcomes in outpatient settings. By optimizing the patient experience, Chatchawin Assanasen drives the growth and reputation of ambulatory services. The Associate Chief Medical Officer, Uthp Ambulatory Services collaborates with clinical teams to integrate new treatments and technologies into daily practice. Through strategic oversight, Assanasen ensures that outpatient care remains accessible and effective. This leadership role remains essential for maintaining the quality of care provided to the community across diverse medical specialties.
Marc Weiner - M. D.
Marc Weiner, the M. D. at UT Health San Antonio, provides expert clinical leadership and medical oversight within the university's healthcare system. Overseeing specialized patient care initiatives, the M. D. ensures that clinical practices reflect the latest advancements in medical research and evidence-based medicine. This role involves mentoring medical students and residents while maintaining a high volume of patient interactions. By applying deep clinical expertise, Marc Weiner drives improvements in diagnostic accuracy and treatment efficacy. The M. D. collaborates with multidisciplinary teams to manage complex cases and enhance the overall quality of care. Through active participation in clinical research, Weiner contributes to the university's mission of medical innovation. This leadership position remains vital for maintaining the standard of excellence in patient care and ensuring that the institution continues to provide cutting-edge medical services to the regional population.
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