Mary Ann Mavrinac served as vice provost and Andrew H. and Janet Dayton Neilly Dean, University of Rochester (UR) Libraries from 2012-2022. She positioned the libraries to provide transformational experiences for students and faculty to achieve their scholarly aspirations. She currently holds an emeritus appointment with the UR.

From 2001 to 2012, Mavrinac was chief librarian, University of Toronto Mississauga, leading from vision to occupancy the award-winning Hazel McCallion Academic Learning Center. Prior to this, she was Head, The D.B. Weldon Library, Western University (Canada.) At the UR, she led a 10-year Strategic Facilities Master Plan for the Rush Rhees Library and several projects that ensued. 

Her interests and research focus on strategic space planning, leadership, and mentoring, topics about which she is regularly invited to speak, write, or consult.

She was president of the Ontario Library Association (2010, Canada). From 2013-2019, she served on the board of the Association of Research Libraries, elected President in 2017-18. Selected honors include Canadian Association of College and University Libraries Innovation Award for the Hazel McCallion Academic Learning Centre (2009), Ontario College and University Library Association’s Lifetime Achievement Award (2014), Robert F. Metzdorf Award for meritorious service to the UR Libraries (2021), and Studio X, named in her honor for her transformational leadership (2022).