Sierra joined the League in 2016, seeking opportunities for voluntarism and friendship with like-minded women in the Orange County area. She is the EMT Assistant for the 2020-2021 year and her prior placements include Mistletoe Madness Committee member, Outreach and Recruitment Committee member, and Touch-A-Truck Manager.
Sierra holds B.A. degrees in Government and Philosophy from the University Redlands as well as a M.A. and Ph.D. in Political Science from the University of California, Irvine. She is a Professor of Political Science at Mount San Antonio College and in the past year her research on the political behavior of Americans with disabilities has been published in the Journal of Health, Politics, Policy, and Law, and in Policy Studies. Sierra enjoys, cooking, hiking, yoga, and spending time with her husband and sons.