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Our Leadership


Sharon JaksaSharon Jaksa

Central Division Vice President

Sharon Jaksa more than 28 years of experience with the American Red Cross, serving in various capacities as: medical technologist, laboratory processing coordinator, senior technologist, assistant director of technical services, director of technical services, director of manufacturing, chief operating officer and CEO of the Great Lakes Region. In 2012 she was promoted to division vice president of the Great Lakes Division. In November 2013 she was appointed vice president of the Central Division which includes 15 Blood Services Regions and seven shared management teams. She resides in Michigan and holds a Master of Administration degree from Central Michigan University. She is also an adjunct professor for Michigan State University, teaching in the Masters Program for Laboratory Operations.

Scott L. CaswellScott L. Caswell

Chief Executive Officer

Scott Caswell is the CEO of the Greater Ozarks-Arkansas and Missouri-Illinois Blood Services Regions. Caswell, has more than 20 years of valuable blood banking leadership experience and previously served the American Red Cross as CEO of the Central Plains Blood Services Region, located in Wichita, Kan. Caswell holds a holds a Bachelor of Arts degree in Political Science and a Master’s degree in Business Administration.

John Theus, M.D.

Medical Director Missouri-Illinois Region

Dr. Theus is a graduate of the University of Arkansas for Medical Sciences and serves as both associate professor and vice chair of clinical affairs in the pathology department of his alma mater. He is board certified in clinical pathology and transfusion medicine. Additionally, he is a member of the Arkansas Medical Society, American Society for Apheresis, American Society for Clinical Pathology, College of American Pathologists, AABB, International Society for Cellular Therapy and the American Medical Association. Dr. Theus has also published a variety of articles on various medical topics.

Vivian LuceVivian Luce

Board chair

Vivian Luce is a regional vice president, business development with Cejka Search, a nationally recognized search firm that recruits top talent exclusively for the health care industry.