Faculty & Staff


Regina Stevens-Truss, Professor of Chemistry (Co-chair)

Phone: 269.337.7330 Email: regina.stevens-truss@kzoo.edu

Professor Stevens-Truss teaches Chemical Reactivity, Biochemistry, Medicinal Chemistry, and Infection: Global Health & Social Justice.  Research in her lab focuses on testing a variety of compounds for antimicrobial activity.

Professor Regina Stevens Truss

Dwight Williams, Associate Professor of Chemistry (Co-chair)

Phone: 269.337.7409 Email: dwight.williams@kzoo.edu

Professor Williams teaches Organic Chemistry I & II with the corresponding labs, as well as Advanced Organic Chemistry and Introductory Chemistry. His research interests combine synthetic organic chemistry and medicinal chemistry with pharmacology.

Professor Dwight Williams and students

Blakely Tresca, Assistant Professor of Chemistry

Phone: 269.337.7018 Email: blakely.tresca@kzoo.edu

Professor Tresca teaches Organic Chemistry. His research interests include Organic and Supramolecular chemistry.

Professor Blake Tresca

Daniela Arias-Rotondo, Assistant Professor of Chemistry

Phone: 269.337.7017 Email: Daniela.Arias-Rotondo@kzoo.edu

Dr. Arias-Rotondo teaches Inorganic Chemistry, Molecular Structure, and Chemical Reactivity. Her research focuses on photoactive complexes of first-row transition metals.

Dr. Arias-Rotondo


Josie Mitchell, Assistant Professor of Chemistry

Phone: 269.337.7020

Dr. Mitchell teaches Biochemistry and the corresponding labs. Her research focuses on studying biochemical processes in vivo by manipulating proteins using CRISPR-Cas9 genome engineering in Drosophila melanogaster (fruit flies).

Professor Josie Mitchell

Cecilia Vollbrecht, Assistant Professor of Chemistry

Phone: 269.337.7021

Dr. Vollbrecht teaches Physical Chemistry.


Yit-Yian Lua, Laboratory Instructor

Email: yit-yian.lua@kzoo.edu


Tom Massura, Instrument Technician

Phone: 269.337.7099, Email: tom.massura@kzoo.edu

Tom’s duties include maintaining all of the Instrumentation for the Science Division along with setting up Physics Labs. When Tom started at the College in 1987 computers were a rare thing to be found on campus. Now he maintains over 50 machines just used in the Science Division. In his spare time he enjoys spending time with his 2 children when they are home from college and spending time outside.


Jarred Fitch, Director of Chemistry Laboratories

Phone: 269.337.7022


Betsy Paulson, Office Coordinator for Biology and Chemistry and Biochemistry

Phone: 269.337.7007, Email: elizabeth.paulson@kzoo.edu