“It is hard to believe the student volunteer program established on campus in 1989 has developed so exceptionally well during the past 23 years. Its successes and great progress have been due to the outstanding leadership from the several professionals who have served as Coordinators, Directors and Assistant Directors as well as the great support the program has enjoyed over the years from UM students who have participated.”

— Dr. William R. Butler, 2012

Andrew D Wiemer

Sr. Director, Volunteer Service & Leadership Development

(305) 284-4483
Andrew D. Wiemer earned his B.A. in Business Administration (Management) from Doane University, his M.S. in College Student Personnel Services and Administration from the University of Central Arkansas, and his Ph.D. in Education and Human Resource Studies with a specialization in Higher Education Administration from Colorado State University....

Gabrielle Justine Perez

Asst. Director, Programs

Gabrielle Perez serves as the Assistant Director of the Butler Center. She earned her Bachelor's degree from Florida International University before completing her M.S.Ed in Higher Education Administration from the University of Miami in Spring 2021. While completing her Master’s degree, Gabby worked as a graduate assistant for...

Cristina Orbeta

Administrative Assistant

(305) 284-6389
Cristina Orbeta serves as the administrative assistant for the William R. Butler Center for Volunteer Service and Leadership Development. In this position, Cristina works closely with the Butler Center director and assistant directors providing administrative assistance. She is responsible for the department’s accounting and provides...