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☰ In This Section

Our professors are distinguished scholars, active researchers, published writers, and faithful Christians who demonstrate what it means to be both Christ-followers and leaders in their academic fields. As mentors and role models, they play a huge role in the integration of faith and learning at Bethel.

Department Chair

Rollin King

Department Chair and Professor of Chemistry | rking@bethel.edu | Started at Bethel: 2001

King’s research is in the area of computational quantum chemistry, which is the application of quantum mechanics using the tools of modern computing to solve problems in chemistry. He is a primary software developer of the PSI4 quantum chemistry package, collaborating with scientists around the world. King’s current research focuses on modeling of polymers in organic photovoltaic cells, the chiro-optical properties of molecules in solution, the generation of machine-readable output for . . . read more.


Amy Gorowsky

Laboratory and Safety Coordinator | rohamy@bethel.edu | Started at Bethel: 2016

I teach the Laboratory Safety Workshop and Science Concepts in Chemistry.

Trey Maddox

Associate Professor of Chemistry | m-maddox@bethel.edu | Started at Bethel: 2008

Maddox's research focuses on two classical areas of organic chemistry, synthesis and natural product isolation. His main project focuses on the synthesis of modified DNA and RNA nucleosides. These modified nucleosides can be used to study template directed polymerization, the core mechanism in DNA replication, transcription, and translation. His newest project is developing protocols for the isolation and identification of biologically active compounds in different herbal remedies that have. . . read more.

Ashley Mahoney

Associate Department Chair and Professor of Chemistry | amahoney@bethel.edu | Started at Bethel: 2001

Mahoney's research is in chemical education, both curriculum development and scholarship of teaching and learning projects. Mahoney is active with the POGIL (process-oriented guided inquiry learning) Project and has co-authored a collection of POGIL activities for the GOB (allied health) classroom available through Wiley. She has also assembled a national consortium of faculty to write inquiry laboratories for introductory courses. Her research projects focus on incorporating various learni. . . read more.

Matthew Neibergall

Assistant Professor of Chemistry | m-neibergall@bethel.edu | Started at Bethel: 2007

Neibergall studies the mechanisms by which oxygenase enzymes activate O2 for insertion into organic compounds during cellular metabolism. The formation of DNA nucleotides from their RNA nucleotide precursors, the conversion of the amino acid phenylalanine to tyrosine and then to the neurotransmitter dopamine, and the production of prostaglandins are biological pathways that require oxygenase enzymes. Currently, his research group is studying nitrobenzene-1,2-dioxygenase, a Rieske non-heme i. . . read more.

Wade Neiwert

Professor of Chemistry and Pre-Medical Advisor | w-neiwert@bethel.edu | Started at Bethel: 2004

Neiwert's research focuses on the study of a unique class of inorganic cluster-like compounds known as polyoxometalates (POMs for short). His recent efforts have focused on using POMs as nanoscale building blocks, where they are connected by organic ligands, resulting in inorganic-organic hybrid materials. Multiple spectroscopic techniques are used to characterize POMs and their resulting polymeric materials, including multi-nuclear NMR (1H, 13C, 31P, 29Si, etc), FT-IR, UV-Vis, and single c. . . read more.

Ken Rohly

Professor of Chemistry | rohly@bethel.edu | Started at Bethel: 1987

My research is focused on solution, surface, and materials chemistry applied to industrial applications. My major area of interest has been the modification of the surface chemistry of metallic and polymeric biomaterials used for devices implanted in the body. Recent research projects include the development and understanding of ion-exchange materials, physical and chemical adsorption phenomena, the application of biocides in medical device processes, microencapsulation and controlled relea. . . read more.

Lori Schmidt

Adjunct Assistant Professor of Chemistry | les42747@bethel.edu | Started at Bethel: 2013

Adjunct Assistant Professor of Chemistry

Angela Stoeckman

Associate Professor of Chemistry | a-stoeckman@bethel.edu | Started at Bethel: 2015

I am interested in the regulation of fatty acid metabolism. Fatty acids are not only important in the generation of ATP/energy, but they are important signaling molecules and inflammatory mediators. Fatty acids are stored as triacylglycerol (TAG) molecules in a dynamic cellular organelle called the lipid droplet. My research focuses on proteins that coat these lipid droplets in the hepatocyte and act to regulate the entry or exit of TAGs.

Stacey Stoffregen

Associate Professor of Chemistry | s-stoffregen@bethel.edu | Started at Bethel: 2017

Stacey's research interests are in the area of atmospheric organic chemistry, particularly the decomposition pathways of organic pollutants. Two specific categories of organic molecules currently under investigation include 1) hydroxyalkyl hydroperoxides which are formed via alkene ozonolysis reactions and subsequent reaction with water vapor in the troposphere and 2) hydrofluoroolefins which are non-chlorine containing refrigerants possessing many of the desired characteristics of chlorof. . . read more.

Brandon Winters

Associate Professor of Chemistry | b-winters@bethel.edu | Started at Bethel: 2011

Dr. Winters' research is currently focused on the chemistry of carbon. Carbon has more known allotropes than any other material with a new one having been discovered as recently as 2015. While many of these allotropes have existed naturally for thousands of years, it was not until 2004 that one particularly fascinating one, graphene, was discovered and characterized. This form of carbon is the first 2D material ever discovered and is made up of a single atomic-thin layer of carbons bonded t. . . read more.

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