EMHA Faculty

Meet the experts who inspire our online Executive MHA


Please complete the form to download a brochure and speak to an Enrollment Specialist about starting your application.


When you join ADU, you connect to a network of healthcare leaders who form our distinguished faculty. Their remarkable experience can help inform your future. That collective background includes doctorate-level education and involvement in elite healthcare associations.

Their dedication to innovation extends to working with top employers such as Guidewell, AstraZeneca, and Florida Hospital Innovation Lab to inform our online program. From leveraging industry connections for your benefit to providing expert guidance, they’re committed to advancing your leadership skills through our executive master of health administration.

Amanda D. Raffenaud has been teaching health administration courses for more than 10 years.

Amanda D. Raffenaud

Amanda Raffenaud has been teaching health administration courses for more than 10 years and thoroughly enjoys connecting with students in the classroom. She is passionate about assisting students with the knowledge and skills they need to progress within their health administration career. She joined the faculty at Adventist University of Health Sciences in 2016, after […]

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Dr. Sy Saliba also serves as a board member of American Heart Association/American Stroke Association.

Dr. Sy Saliba

Sy Saliba, Ph.D., has been employed by Florida Hospital since 1993. In his role, Dr. Saliba oversees the implementation of multi-platform marketing strategies, business development, campaign initiatives, media relations, research objectives, and promotional activities for the eight-campus Florida Hospital system, and for the 22-campus Florida Region, an Adventist Health System division. Dr. Saliba is active […]

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Dr. Radhamés Lizardo has extensive professional expertise in the areas of accounting, auditing, taxes, and finance.

Dr. Radhamés Lizardo

Radhamés Lizardo is a professor of Finance, Accounting, and Economics in the Department of Healthcare Administration at Adventist University of Health Sciences. Professor Lizardo holds a doctorate in finance (Ph.D.) from the University of Texas-PA, a master’s in accounting (MSA) from the University of North Texas, a master’s in finance (MBA) from the Inter-American University […]

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Dr. Jason A. Hines has been teaching at Adventist University for five years.

Dr. Jason A. Hines

Jason A. Hines was born in Philadelphia and raised in Bloomfield, Connecticut. After graduating from the University of Connecticut with a BA in Political Science, he received his Juris Doctorate from Harvard Law School. He has been teaching at Adventist University for five years.

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Dr. Roy Lukman is ADU's director of institutional effectiveness.

Dr. Roy Lukman

Dr. Roy Lukman joined Florida Hospital in 1983 as director of the Employee Assistance Program. Since 1988, he has been the director of academic affairs for Florida Hospital’s Graduate Medical Education Department, as well as holding positions as the director of research and the associate director for behavioral medicine. In 2010, he joined Adventist University […]

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Dr. Deena Slockett is the chief operations officer for ADU Online.

Dr. Deena Slockett

Deena Slockett has been a faculty member at Adventist University of Health Sciences since 1997. She is the chief operations officer for ADU Online. Dr. Slockett earned her master’s degree at Webster University. She was nominated by her students and received the Who’s Who Among Teachers award in 2003, 2004, 2005, 2007, 2009, and 2012. […]

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Dr. Benita David has an MBA and a DBA in Leadership.

Dr. Benita David

Dr. Benita David is excited to partner with students as they embark on an exciting and enriching learning and application experience in the areas of leadership and organizational behavior. She is the chair of healthcare administration at ADU. Dr. David has been teaching with the university for five years and has taught a wide range […]

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