Hendren is the 2022 Past-President of the Minnesota Library Association, and a member of the Public Library Association and the American Library Association. At MLA, Hendren was President (2021), Chair of the Public Libraries Division (2017), Reference and Adult Services Subunit (2013-2015), an MLA Institute for Leadership Excellent (MILE) participant (2015) and mentor (2017), and organized the former Reader's Advisory Round Table book club Tomes on Tap. She has presented at conferences and offered training at the local, state and national level on the topics of library management, reference, reader's advisory, STEM and youth services. Stacey received Level I Consumer Health Information Specialization from the Medical and Public Library Associations in 2018, and Level II in 2020. Stacey received her BA in music education from UMN-Morris and her MLIS from UW-Milwaukee.