Rebekkah Smith Aldrich, MLS, LEED AP, is the executive director of the Mid-Hudson Library System serving Columbia, Dutchess, Greene, Putnam, and Ulster Counties in New York and is the co-founder and current president of the Sustainable Libraries Initiative (SLI). For over 20 years, she has worked with public libraries across the globe to ensure library services are relevant and responsive so that our communities thrive. She is active in the New York Library Association (NYLA), currently serving on their Legislative Committee; and in the American Library Association (ALA), most recently chairing their new Council Committee on Sustainability, and serving on the board of the Center for the Future of Libraries. She was recognized as a Library Journal Mover & Shaker in 2010 and was recognized with the NYLA Outstanding Service to Libraries Award in 2018. Aldrich is an adjunct professor at the Palmer School of Library and Information Science at Long Island University and has written three books: Sustainable Thinking; Resilience; and Libraries and Sustainability: Programs and Practices for Community Impact. She has been invited to speak around the world on the topic of libraries and sustainability.