Nancy Pennington, Executive Director
Nancy has served as the Executive Director/CEO of the Missouri Association of County Developmental Disabilities Services (MACDDS) since 2021. Prior to this, she worked with the Adair County SB40 Developmental Disability Board in Kirksville, Missouri, serving as the Executive Director and in a variety of volunteer roles with the MACDDS Board of Directors including President-Elect, Treasurer/Secretary and on the Governmental Affairs, Finance, and Conference Committees. Nancy has over twenty-five years of experience working with various non-profits, previously serving as the Executive Director for the United Way of Adair County/Northeast Missouri and working with several organizations in the nonprofit field. She received her BS degree in Accounting from Truman State University, earned her certificate in Certified Public Accounting, and is a graduate of the National Leadership Institute on Developmental Disabilities. Nancy currently serves on the Board of Directors for the Missouri Mental Health Foundation and the Advisory Leadership Team for the Institute of Human Development at the University of Missouri-Kansas City. Nancy’s strengths include her ability to build relationships and cultivate a positive culture, her knowledge of and experience with local developmental disability services, as well as her sincere dedication to individuals with I/DD, MACDDS and our mission.
Tiffany Busch, Executive Assistant/Member Services Coordinator
Tiffany joined the Missouri Association of County Developmental Disabilities Services (MACDDS) in 2026 as Executive Assistant/Member Services Coordinator. She brings eight years of experience in the fields of developmental disabilities and human resources, with prior service at the Adair County SB40 Developmental Disability Board in Kirksville, Missouri. Tiffany holds a SHRM Certified Professional (SHRM-CP) credential and is passionate about supporting organizations and professionals dedicated to improving services for individuals with developmental disabilities.
