Business Affairs Administration
Arnim E. Dontes, M.B.A.
Executive Vice President for Business Affairs
Arnim E. Dontes, M.B.A., Executive Vice President for Business Affairs, has been with UT Southwestern Medical Center since 2011. As the Medical Center’s chief business officer, Mr. Dontes directs the activities of more than 15 business and service-related departments across campus, including Budget and Accounting, Human Resources, Financial Planning, Facilities, Contracts Management, Safety and Business Continuity, General Services, and Purchasing, among others, as well as the University’s police department. Previously, Mr. Dontes served more than 20 years at the University of Illinois College of Medicine — Illinois’ flagship medical school — most recently as the Vice Dean for Administration, where he had financial and operational responsibility for its 30 basic science and clinical units. Mr. Dontes holds a bachelor's degree from the University of Illinois, Champaign, and an M.B.A. from the University of Illinois at Chicago. He was the National Chair-Elect, Chair, and Immediate Past Chair for the Association of American Medical Colleges’ Group on Business Affairs between 2011 and 2014.
Bruce J. Brown, Dr.P.H.
Assistant Vice President, Safety and Business Continuity
Bruce J. Brown, Dr.P.H., serves as the Assistant Vice President for Safety and Business Continuity. He leads a diverse department focused on client service with numerous programs, including hazard-specific safety programs (biological, chemical, fire, occupational, laser, and radiation), environmental compliance, emergency management, business continuity, and risk and insurance services inclusive of workers’ compensation. Dr. Brown, who joined UT Southwestern Medical Center in 2014, has 20 years of experience providing safety services, emergency management oversight, and risk management and insurance support for academic medical centers. Prior to his role at UT Southwestern, he was the Director for Environmental Health and Safety at the UT Health Science Center at Houston. He earned his doctorate from the UT Health School of Public Health in Houston, where he maintains an academic affiliation, and completed his undergraduate work at UT Austin.
Juan M. Guerra, Jr.
Vice President, Facilities Management
Juan M. Guerra, Jr., joined UT Southwestern in February 2016 as Vice President for Facilities Management. He has more than 30 years of experience in facilities management, both in operations and capital programs. Since 2009, Mr. Guerra was Associate Vice President for Facilities at Texas State University, where he was responsible for a portfolio of 8 million square feet of campus facilities, 250 buildings, and more than $1.3 billion in capital improvements. He spent 20 years in the Civil Engineer Corps and served in the U.S. Navy from 1983 to 2003. A Registered Professional Engineer in Texas and California, he also is a member of a number of state and national professional associations. He holds a bachelor’s degree in engineering from Stanford University and master’s degrees in civil engineering and business from University of California at Berkeley and Webster University, respectively.
Chief of Police
Marcus Lewis is Chief of Police for UT Southwestern Medical Center, and leads the University Police Department in providing police and security services to the UT Southwestern community with a strong emphasis on community engagement, joint problem solving, leadership development, and fostering a healthy organizational culture. He has worked for UT Southwestern Medical Center since 1997, when he was hired as a police cadet. Since then, he has served the campus community as an officer, corporal, sergeant, lieutenant, captain, and assistant chief. He served in patrol, hospital police operations, criminal investigations, training, special response teams, accreditation, access control, and police administration. He holds a Bachelor of Fine Arts from the University of North Texas and a Master of Arts in criminology and criminal justice from the University of Texas at Arlington. Chief Lewis earned his Master Peace Officer Proficiency Certification from the Texas Commission on Law Enforcement in 2007 and is a state-certified police instructor and internal affairs investigator. He also is a graduate of the Texas Police Chiefs Association’s Developing Leaders for Texas Law Enforcement program.
Marc E. Milstein
Vice President, Information Resources, and Chief Information Officer
Marc E. Milstein, a seasoned technology executive, joined UT Southwestern Medical Center as Vice President for Information Resources and Chief Information Officer in August 2017. He oversees the University’s academic, health system, and administrative information resources and all central infrastructure, systems, and client services operations. He also works with the clinical, academic, research, and administrative leadership teams to oversee the design, implementation, and support of the University’s information technology strategic planning initiatives and projects. From 2013 until joining UTSW, Mr. Milstein was Associate Vice Chancellor and Chief Information Officer for the UT System. Prior to that, he was Vice President for Information Technology and CIO for Yeshiva University/Albert Einstein College of Medicine in New York. He also has held CIO positions with Continuum Health Partners, University of Missouri Health Care, and the Cambridge Health Alliance. For 10 years, he was Vice President of Information Services at Children’s Medical Center Dallas. Mr. Milstein holds a Master of Business Administration in Systems Management from Baldwin-Wallace College, now known as Baldwin Wallace University, in Ohio, and a Bachelor of Science degree from Case Western Reserve University in Cleveland, Ohio.
Vice President, Financial Affairs
Michael Serber first came to UT Southwestern Medical Center in 2003 as Assistant Vice President, Financial Planning and was promoted to his current position of Vice President, Financial Affairs in September 2011. Prior to joining UT Southwestern, he was the manager of the Capital Planning Group at American Airlines and served as a senior financial analyst at Prudential Healthcare. Mr. Serber received his M.B.A. from The Fuqua School of Business at Duke University in 1999 and a Bachelor of Science (statistics and biometry) from Cornell University in New York in 1994.
Cameron W. Slocum, M.B.A.
Vice President and Chief Operating Officer for Academic Affairs
Cameron W. Slocum, Vice President and Chief Operating Officer for Academic Affairs, focuses on administrative, strategic, and financial functions to support UT Southwestern’s academic missions. His reporting relationships to the leadership of Academic, Health System, and Business Affairs allow him to improve day-to-day operating activities. He joined UT Southwestern Medical Center in September 2014. Most recently, Mr. Slocum held the position of Vice President and Chief Operating Officer for the University of Texas Medical Branch Schools of Medicine, Nursing, and Health Professions, and the Graduate School, and also worked as Executive Director of the Faculty Group Practice Plan during his 16-year tenure with UTMB. He is the author of “UTMB: From Disaster Planning to Long-Term Recovery,” which appeared in the November 2010 issue of the Domestic Preparedness Journal. In 2012, Mr. Slocum was honored by the Houston Business Journal with a “40 under 40” award, which recognizes the top 40 young professionals in the Houston region. He is an active leader in the Association of American Medical Colleges’ Group on Business Affairs and served as National Chair in 2014 and 2015. Mr. Slocum earned a bachelor’s degree in finance from Texas A&M University and an M.B.A. from the University of Houston – Clear Lake.
Vice President, Human Resources
Ivan Thompson joined UT Southwestern as Vice President for Human Resources in December 2015. He has more than 30 years of HR leadership experience in large, complex companies that span geographies and industries. Before joining UT Southwestern, Mr. Thompson was Senior Vice President for HR at Just Energy, an international energy retailer in Houston. He began his career in a series of HR roles at Unilever South Africa, a multinational consumer goods company. Mr. Thompson then held HR leadership positions with Golden Giant Mine in Canada which became a subsidiary of Battle Mountain Gold Co. in Houston; Cadbury Schweppes Americas Beverages and Plano-based Dr Pepper Snapple Group, which spun off from Cadbury Schweppes in 2008. He holds a Bachelor of Social Sciences degree from University of Natal in Durban in his native South Africa.