Siman is a well-seasoned public health and public policy professional, with a background in community health programs. She started her career in refugee health running a small community center to assist Somalis adjust to life in America. After this, she served ten years at the Maricopa County Department of Public Health, where she was the administrator for the Office of School Health and Wellness Initiatives and the Office of Health Promotion and Education. Currently, Siman serves as Assistant Director, Policy and Intergovernmental Affairs, Arizona Department of Health Services.  She also previously served as President and CEO, after serving Director of Health Policy, at Children’s Action Alliance, an advocacy organization focused on the health, education, and security of Arizona’s children. Siman’s career has taken her all over the world, from international policy in Washington, D.C. to the Bahamas as an assistant director of health and safety for a large private company, to volunteering in Tanzania with Maasai women. She was awarded the Phoenix Business Journal’s 40 Under 40 Award in 2013 and is an alumnus of Valley Leadership. Siman earned her bachelor’s degree at Howard University in Washington, D.C. and holds a master’s degree in business administration (MBA) from Nova Southeastern University in Florida.

Siman was born in Mogadishu, Somalia and moved to Arizona as a second grader. She has four beautiful teenage children and a wonderful husband. They live in central Phoenix with their cat, Aria Stark.