Three Outstanding Leaders Join AdventHealth University’s Board of Trustees


AdventHealth University’s Board of Trustees is pleased to announce Arelis E. Diaz, David Ottati, and Sy Saliba, distinguished leaders in education and health care, joined the Board to help the university achieve its steadfast mission of developing skilled professionals living the healing values of Christ.

“On behalf of AdventHealth University, I am thrilled to welcome Mrs. Diaz, Mr. Ottati and Dr. Saliba to our Board of Trustees,” said Randy Haffner, Ph.D., chair of AdventHealth University’s Board of Trustees. “We look forward to drawing on their extensive experience and passion for whole-person care as we shape AdventHealth University’s future for years to come.”

Arelis Diaz

Arelis E. Diaz, director of the Office of the President for the W.K. Kellogg Foundation (WKKF) in Battle Creek, Mich., directs corporate responsibility initiatives to effect positive systemic change. She leads the racial equity and community engagement efforts to promote thriving children, working families and equitable communities at the Kellogg Foundation, one of the largest philanthropic foundations in the United States. Prior to WKKF, Diaz transformed the Godwin Heights Public Schools district during her 15-year career in Wyoming, Mich., serving as assistant superintendent, director of curriculum and instruction, elementary school principal and teacher. Diaz achieved the 90-90-90 goal, has been honored with the Dispelling the Myth Award from the Education Trust, the MASB Education Excellence Award and the Herman W. Coleman Human Relations Award.

David Ottati

David Ottati, president/CEO of AdventHealth’s West Florida Division, began his career as a management resident and quickly advanced in the organization in various leadership roles. Ottati previously served as president/CEO for the AdventHealth Central Florida Division – North Region, which includes the six AdventHealth hospitals in Volusia, Flagler and Lake counties. Prior to that, he served in president/CEO roles for AdventHealth Waterman and AdventHealth Palm Coast. Earlier in his career, he served as vice president in AdventHealth’s Heartland market, where he was directly responsible for the daily operations of AdventHealth Lake Placid and AdventHealth Wauchula.

Sy Saliba

Sy Saliba, Ph.D., director of programs for AdventHealth Leadership Institute and professor of marketing at AdventHealth University, draws on decades of executive experience to develop future professionals and leaders. As the former vice president of marketing and branding for AdventHealth (what was then Florida Hospital), Dr. Saliba oversaw the implementation of multiplatform marketing strategies, business development, campaign initiatives, media relations, research objectives and promotional activities for AdventHealth in Florida. Dr. Saliba has been involved over the years in his local and global community by serving as a Board member of American Heart Association/American Stroke Association; Andrews Memorial Hospital, Kingston, Jamaica; Caribbean Chamber of Commerce; Community Health Impact Council; and the Orlando Chamber of Commerce.