photo of Amy Childress

Amy Childress, PhD


Dr. Amy Childress is director of the Purdue Office of Undergraduate Research.  She has held numerous administrative positions at the university supporting education at the K-12, undergraduate, and graduate student levels.  She most recently spent several years with Purdue’s Discovery Learning Research Center, where her work involved managing undergraduate and graduate research internship programs, contributing to grant proposal development, and coordinating multiple sponsored research projects.  She has co-authored manuscripts and presentations on experiential learning program administration and evaluation.  She has also co-edited a book addressing the transformation of undergraduate STEM education for the 21st Century.


JJ Sadler, MS

Associate Director

JJ Sadler joined Purdue in September 2017 in the Office of Undergraduate Research. Before coming to Purdue, JJ had served as the Assistant Director of Career Services – Internships & Undergraduate Research and the Experiential Learning Team Chairman at a liberal arts college, Illinois College. He received his Master’s degree in Environmental Horticulture with an emphasis on Experiential Learning from the University of Florida while mentoring undergraduate researchers and his Bachelor’s degree in Biology/Chemistry from Illinois College where he was an undergraduate researcher. When he is not helping prospective and current undergraduate researchers at Purdue, he enjoys watching movies at theatres, reading sci-fi novels, and spending time with his family in Lafayette.

photo of Angie Welshimer

Angie Welshimer

Operations Manager

Angie joined the Office of Undergraduate Research in September 2017.  She spent a year in Digital Education at Purdue and prior to that 13 years working for Aramark, a management company in Lebanon, IN.  When not working, she enjoys spending time with family and friends and everything outdoors.

Layla Dang

Graduate Student

Layla joined the Office of Undergraduate Research in September 2021 as a Graduate Assistant.


Brian Jeon

Brian is currently a sophomore double majoring in Statistics and Mathematics and is from South Korea. Brian moved to Minnesota freshman year of high school as a foreign exchange student. Brian will be taking two gap years after Spring 2022 to serve in the Korean Army and hopes to continue his research when he comes back from the military. Brian is very outgoing and loves to work out, watch movies, and cook during his free time.