Group Members

Former Graduate Students

Trisha T. Nguyen, Ph.D. 2024
Thesis Title: Spectroscopic Quantification of O2 Isotopologues by EPR: a Method of Investigating Water Oxidation Catalyst Mechanisms

Wen Fu, Ph.D. 2024
Thesis Title: Exploring the potential of biogenic manganese oxides as water oxidation catalyst and investigating Mn oxidation mechanism using Electron Paramagnetic Resonance (EPR) spectroscopy
Current Position: Process Engineer (Applied Materials)

David Villareal, Ph.D. 2023
Thesis Title: EPR Characterization of the Radical SAM Enzyme HydG, Actinides, and Organic Radicals
Current Position: Postdoc at University of Michigan (Ragsdale Lab)

David A. Marchiori, Ph.D. 2020
Thesis Title: Electron Paramagnetic Resonance Studies of the Oxygen-Evolving Complex of Photosystem II and Related Molecular Analogues
Current Position: Postdoc at University California, Berkeley (Ajoy Lab)

Gary K. Chow, Ph.D. 2020
Thesis Title: Probing the Cyanobacterial Circadian Clock (Kai Clock) with Electron Paramagnetic Resonance Spectroscopy
Current Position: Scientist at J&J

Rick Sayler, Ph.D. 2019
Thesis Title: A Journey in Enzymes and Materials EPR as a Tool in Chemistry
Current Position: Postdoc at University of California, Berkeley

Derek Gagnon, Ph.D. 2018
Thesis Title: Electron paramagnetic studies of radical S-adenosyl-L-methionine enzyme intermediates and manganese binding proteins
Current Position: Postdoc at University of California, San Diego

Ryan Wall, Ph.D. 2018
Thesis Title: Electrochemical EPR study of cobalt water oxidation electrocatalyst and a model compound
Current Position: Postdoctoral Scientist at Janssen, Inc.

Jonathan Sarker, Ph.D. 2017
Thesis Title: Studies of phytochrome Cph1 conformational change with double electron-electron resonance

Paul H. Oyala, Ph.D. 2016
Thesis Title: Continuous Wave and Pulse Electron Paramagnetic Resonance Studies of the Oxygen Evolving Complex in Photosystem II and Non-Natural Tyrosine Radicals in Ribonucleotide Reductase.
Current Position: EPR Staff Scientist at CalTech

Jamie A. Stull, Ph.D. 2012
Thesis Title: CW and Pulsed EPR Studies of the Oxygen Evolving Complex in Photosystem II, Manganese Model Complexes of the Oxygen Evolving Complex and the Ruthenium Blue Dimer
Current Position: Postdoc at Los Alamos National lab, MST-7

Yaser NejatyJahromy, Ph.D. 2012
Thesis Title: The Curious Case of Tetrahydrobiopterin in Nitric Oxide Synthase
Current Position: Postdoc at Institute of Physical and Theoretical Chemistry University of Bonn

J. Gregory McAlpin, Ph.D. 2012
Thesis Title: CW and Pulse EPR Studies of Cobalt-Catylazed Water Oxidation
Current Position: Associate Scientist at Sapphire Energy

Alexander Gunn, Ph.D. 2012
Thesis Title: Elucidation of Bioinorganic Chemical Structures by Electron Paramagnetic Resonance Spectroscopy at Multiple Frequencies
Current Position: Study Director, Analytical Services at Venari bio, LLC

Michelle Dicus, Ph.D. 2010
Thesis Title: Multi-Frequency Electron Paramagnetic Resonance Studies on[2Fe-2S] Proteins, Photosystem II, and Selenocysteine Azurin

Gregory Yeagle, Ph.D. 2008
Thesis Title: CW and Pulsed EPR Studies of Manganese Containing Complexes and Nanomaterials
Current Position: Process Technology Development Engineer at Intel Corporation

Simanti Lahiri, Ph.D. 2007
Thesis Title: Pulsed EPR Studies of the Active Sites in Mn-Containing Biosystems
Current Position: Process Technology Development Engineer at Intel Corporation

Xianzhong Xu, Ph.D. 2006
Thesis Title:
Current Position: Senior Research Scientist at University at Buffalo

Sun Hee Kim, Ph.D. 2003
Thesis Title: Advanced EPR studies of photosystem II and cytochrome c oxidase
Postdoctoral researcher with Prof. Brian Hoffman at Northwestern University
Current Position: Research Scientist at Korea Basic Science Institute

Melvin Keith Christensen, Ph.D. 2002
Thesis Title: Pulsed Electron Paramagnetic Resonance of Iron-Sulfur Clusters in Photosystem I

Keri L. Clemens, Ph.D. 2001
Thesis Title: CW-EPR and pulsed EPR studies of the oxygen evolving complex of Photosystem II
Current Position: Professor of chemistry at Sierra College

Chris V. Grant, Ph.D. 2000
Thesis Title: Vanadium ENDOR studies of the molecular structure of vanadium(IV) complexes and the investigation of manganese(II)-nucleic acid interactions
Current Position: Research Liaison Officer at University of Houston
Formerly NMR Facility Staff Research Scientist at Univeristy of California - San Diego

Kris A. Campbell, Ph.D. 1999
Thesis Title: CW and pulsed EPR studies of photosystem II and manganese-containing complexes
Current Position: Associate Professor at Boise State University

Dee Ann Force, Ph.D. 1998
Thesis Title: Pulsed EPR studies of tyrosines Y(D) and Y(Z) and the manganese cluster of photosystem II
Current Position: Special Lecturer at Boise State University

David W. Randall, Ph.D. 1997
Thesis Title: Pulsed EPR studies of tyrosine radicals and manganese complexes: Insights into photosynthetic oxygen evolution
Postdoctoral researcher with Prof. Ed Solomon at Stanford University
Current Position: Associate Professor at Andrews University

Gary Lorigan, Ph.D. 1996
Thesis Title:
Postdoctoral researcher with Prof. Stan Opella at University of Pennsylvania
Current Position: Volwiler Distinguished Research Professor at Miami University of Ohio

M. Lane Gilchrist, Ph.D. 1995
Thesis Title: Pulsed Electron Paramagnetic Resonance Investigations of the Photosystem II Oxygen Evolving Complex
Current Position: Assistant Professor at City College of New York

Bradley E. Sturgeon , Ph.D. 1994
Thesis Title: Electron Spin Echo Spectroscopy: Techniques and Applications to Manganese Systems
Postdoctoral researcher with Prof. Brian Hoffman at Northwestern University
Current Position: Assistant Professor - Physical Chemistry at Monmouth College (IL)

Former Postdoctoral Researchers

Khetpakorn Chakrawet, Ph.D. 2020, University of California, Berkeley
Current Position: Lecturer, Mahidol University, Bangkok

Lizhi Tao, Ph.D. 2016, University of California, Davis
Current Position: Assistant Professor of Chemistry at Southern University of Science and Technology, Shenzhen

Aidin Balo, Ph.D. 2013, University of California, Riverside
Current Position: Scientist at Novozyme, Davis

Mark Nesbit, Ph.D. 2018, California Institute of Technology
Current Position: Assistant Professor, University of Nevada, Reno

Jarett Wilcoxen, Ph.D. 2013, University of California, Riverside
Current Position: Assistant Professor at University of Wisconsin, Milwaukee

Bryan M. Hunter, Ph.D. 2017, California Institute of Technology
Rowland Fellow at the Rowland Institute (Harvard).
Current Position: Assistant Professor, Northwestern University

Troy A. Stich, Ph.D. 2005, University of Wisconsin-Madison
Current Position: Assistant Professor at Wake Forest University.

Daniel L. M. Suess, Ph.D. 2013, California Institute of Technology
Current Position: Assistant Professor at Massachusetts Institute of Technology.

William Myers, Ph.D. 2008, University of New Mexico
Current Position: Scientific Applications Manager at CAESR, University of Oxford.

Jon Kuchenreuther, Ph.D. 2011, Stanford University
Current Position: Chief Science Officer and Co-founder of ZymoChem, Inc.

Stefan Stoll, Ph.D. 2003, ETH, Zurich, Switzerland
Current Position: Assistant Professor at University of Washington, Seattle, WA.

Marcin Brynda, Ph.D. 2000, University of Geneva, Switzerland
Current Position: Analyst in the research department of Lloyds Bank (Geneva, SUI)

Robert M. McCarrick, Ph.D. 2005, University of Michigan
Current Position: Specialist at Magnetic Resonance Facility at Miami University of Ohio

Constantino Aznar, Ph.D. 2000, Michigan State University
Current Position: Professor in the Chemistry department at American River College

Charles Hoogstraten, Ph.D. 1995, University of Wisconsin-Madison
Current Position: Associate Professor at Michigan State University

Gregor Wolfgang , Ph.D. 1997, University of Vienna
Current Position: Research Institute of Wildlife Ecology University of Veterinary Medicine Vienna

Jeffrey Peloquin, Ph.D. 1995, Arizona State University (deceased)
Formerly: Associate Professor at Boise State University

James Ball, Ph.D.
Current Position: Advanced Technology Lead, Sensor Group at Ion Torrent/ThermoFisher