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STAFF MEMBERS

Jim Cahoon
Jim Cahoon
Faculty Executive Director
Jim Cahoon has a PhD in physical chemistry from the University of California, Berkeley.┬áIn 2009, he moved to Harvard University for a post-doctoral fellowship before starting his faculty career at UNC as an Assistant Professor of Chemistry in 2011. In 2017 he was promoted to Associate Professor with tenure, and in 2018 he started as CHANL’s Faculty Executive Director.
919-962-3386
jfcahoon@ad.unc.edu
Bob Geil
Bob Geil
Technical Director
Bob Geil received his Ph.D. in chemical engineering from Vanderbilt University in 2005. He remained at Vanderbilt as a research associate until 2009 when he joined CHANL as the cleanroom manager. In 2019 he became CHANL’s technical director. He currently oversees a number of micro and nanofabrication instruments.
919-843-6555
bob.geil@unc.edu
Josh Chen
Josh Chen
Director – Chemistry X-ray Core
Chun-Hsing, Josh, Chen received his Ph.D. in Physical Chemistry with Professor Bruce M. Foxman at Brandeis University in 2010. He was a postdoctoral fellow and later became a research crystallographer at the Indiana University Molecular Structure Center. Dr. Chen joined UNC and the Department of Chemistry in September 2018.
Carrie Donley
Carrie Donley
Spectroscopist
Carrie Donley has a PhD in chemistry from the University of Arizona and did postdocs at the University of Cambridge and Hewlett Packard before coming to UNC in 2006. She oversees a number of analytical instruments.
919-843-2859
cdonley@email.unc.edu
Amar S. Kumbhar
Amar S. Kumbhar
Electron Microscopist
Amar Kumbhar has a Ph.D in Analytical Chemistry from Clemson University. He is a electron microscopist and has been with CHANL from 2008 . He along with Wallace Ambrose share responsibilities of taking care of the electron microscopes, SEM and TEM, in CHANL.
919-843-8213
kumbhar@email.unc.edu
Melissa Gammon
Melissa Gammon
Administrative Associate
Melissa Gammon has over 20 years experience as a business owner and administrative assistant. She is excited to be a part of UNC and CHANL.
mkgammon@email.unc.edu
Wallace Ambrose
Wallace Ambrose
CHANL Alum
After working at UNC for over 35 years, Wallace Ambrose retired at the end of 2018. He will be missed!
Jun Yan
Jun Yan
CHANL Alum
Jun Yan has a Ph.D. in Chemical Engineering from the University of Arizona with minors in Electrical Engineering and Material Science Engineering. He has over fourteen years of nano/micro fabrication experience, including positions at Intel and Lam Research prior to joining UNC in 2016. Jun trains and advises users on cleanroom fabrication.
CHANL -  People and Instruments