Faculty and Staff

Dr. John Beebe

Dr. John Beebe
Professor Emeritus
beeb@calvin.edu

Dr. Curt Blankespoor
cblankes@calvin.edu

  • Ph.D. from Cornell University, 1994
  • Teaches Animal Biology, Animal Behavior, Entomology, Human Sexuality, and Ecology on the Equator: Galapagos Islands/Amazon rainforest
  • Research: Swimmer’s itch, problem-based learning and other pedagogies
  • Selected Publications

Dr. Hessel Bouma III
boum@calvin.edu

  • Ph.D., University of Texas Medical Branch, 1975
  • Teaches Human Biology, Biomedical Ethics at the Beginning of Life, and Perspectives in Medicine
  • Interests: Molecular biology, human genetics, medical ethics, and the scholarship of teaching and learning.
  • Selected Publications

David Deheer

Dr. David DeHeer, Department Chair
dehe@calvin.edu

  • Ph.D., University of Arizona, 1972
  • Teaches Cell Biology and Genetics, Tissue Culture, Forensic Schience, Immunology, and Investigations in Inflammation
  • Research: Inflammation of joints, specifically hyaluronic acid and macrophage responses to artificial joints
  • Selected Publications
randydejong

Dr. Randall DeJong
rdejong@calvin.edu

  • Ph.D., University of New Mexico, 2003
  • Teaches General Biology, Ecology, Genetics and Evolutionary Biology
  • Research: Invertebrate biology, ecological and evolutionary genetics, host-parasite interactions

David Doornbos

Dr. David Dornbos
dld9@calvin.edu

  • Ph.D., Iowa State University, 1988
  • Teaches Cell Biology & Genetics, Botany, Plant Physiology
  • Research: Seed development and physiology, plant response to environmental stress, application of biotechnology, agricultural production systems-particularly sustainable agriculture and associated stewardship issues

Dr. Keith Grasman

Dr. Keith Grasman
kag4@calvin.edu

  • Ph.D., Virginia Tech., 1995
  • Teaches Ecosystem Ecology and Management, Immunology, and Environmental Science
  • Research: Ecotoxicology and immunotoxicology, specifically the effects of environmental contaminants on wildlife (fish-eating birds of the Great Lakes and marine systems)

Dr. Scott Hadley
sdh3@calvin.edu

  • D.P.T., Grand Valley State University, 2007
  • Ph.D., Wayne State University School of Medicine, 1998
  • Teaches Human Anatomy
  • Research: Clinical spinal cord injury rehabilitation, clinical orthopedics

jeanetteh

Jeanette Henderson
jmh46@calvin.edu
Ecosystem Preserve Program Manager

  • B.S. Biology, Calvin College, 2002
  • Trains program leaders and volunteers at the Calvin College Ecosystem Preserve
  • Responsible for day to day oversight of preserve programs
  • Develops educational programs

Arlene Hoogewerf

Dr. Arlene Hoogewerf
ahoogewe@calvin.edu

  • Ph.D., Cornell University, 1991
  • Teaches Cell Biology and Genetics, Forensic Science, Microbiology and Investigations in Microbiology
  • Research: Biofilm bacteria
  • Selected Publications

Lori Keen

Lori Keen
keel@calvin.edu
Laboratory Manager

  • B.S., Calvin College, 1981
  • Oversees all laboratory-preparation activities, maintains chemical and supply inventories, assists with safety compliance, supervises 3 student assistants

Dr. David Koetje

Dr. David Koetje
dkoetje@calvin.edu

  • Ph.D., Purdue University, 1991
  • Teaches Introduction to Biotechnology, Cell and Tissue Culture, Investigations in DNA Technology
  • Research : DNA fingerprinting of plants, plant stress physiology, agricultural biotechnology, and Christian perspectives in biotechnology
  • Selected Publications

Dr. Stephen Matheson

Dr. Stephen Matheson
smatheso@calvin.edu

  • Ph.D., University of Arizona, 1996
  • Teaches Cell Biology and Genetics, Human Physiology, General Biology, and Perspectives in Biology
  • Research: Cell biology, developmental biology, and neurobiology
  • Selected Publications

Dr. Richard Nyhof

Dr. Richard Nyhof
nyhr@calvin.edu

  • Ph.D., Michigan State University, 1981
  • Teaches Human Biology and Physiology, Animal Biology and Physiology, Pathophysiology, Histology, and How Common Drugs Work
  • Interests : Cardiovascular physiology and pharmacology
  • Selected Publications

scottprentice

Scott Prentice
sap5@calvin.edu
Laboratory Equipment Technician/Manager

  • B.A., Olivet College, 1997
  • Maintains, calibrates and repairs the varied instruments and equipment in the teaching and research laboratories; assists with instruction in instrument use
Hector Quemada

Dr. Hector Quemada
hdq2@calvin.edu
Adjunct Faculty

  • Ph.D., University of Utah
  • Interests/Research: Biotechnology, biosafety, development of biosafety regulatory systems in developing countries.

 andingshen

Dr. Anding Shen
as28@calvin.edu

  • Ph.D., Johns Hopkins University, 2004
  • Teaches cell biology, immunology, microbiology and General Biology and an Interim course on Traditional Chinese Medicine in China
  • Research: Immunology of T-cells and virology of HIV and related viruses. Cellular and molecular mechanisms in the interaction of disease agents and the host immune system
  • Selected Publications

Jill Tatum

Jill Tatum
jat8@calvin.edu

  • M.S., Texas Tech University, 1987
  • Teaches Cell Biology & Genetics and Electron Microscopy
  • Interests: Microscopy and cell structure, especially cellular ultrastructure

Dr. Peter Tigchelaar


Dr. Peter Tigchelaar
ptigch@calvin.edu

  • Ph.D., University of Illinois, 1970
  • Teaches Human Biology, Human Anatomy, and Health Care in a Developing Country, an off-campus/ interim course to Ecuador

 

Dr. John Ubels

Dr. John Ubels
jubels@calvin.edu

  • Ph.D., from Michigan State University, 1979
  • Teaches Human Biology and Physiology, Animal Biology, Cell Biology, and an off-campus/ interim course in sailing
  • Research: Cell biology and physiology of the lacrimal gland, dry eye syndrome, and ocular toxicology
  • Selected Publications

randyvandragt

Dr. Randall Van Dragt
vdra@calvin.edu

  • Ph.D., University of Rhode Island, 1986
  • Teaches Vertebrate Biology, Ecosystem Ecology and Management, and Investigations in Restoration Ecology
  • Interests: Ecosystem ecology and restoration
  • Selected Publications

davidwarners

Dr. David Warners
dwarners@calvin.edu

  • Ph.D., University of Michigan, 1997
  • Teaches General Biology, Botany, Plant Taxonomy, Investigations in Plant Biology, Evolutionary Biology, and an off-campus/ interim course in Central America
  • Research: Restoration Ecology, Plant Systematics, Floristic Quality Assessment & Conservation Strategies, Native Landscaping, Creation Care & Lifestyle Implications
  • Selected Publications
Dr. John Wertz

Dr. John Wertz
jwertz59@calvin.edu

  • Ph.D., Michigan State University, 2006
  • Teaches Microbiology and Biological Science
  • Research: Microbial symbioses including microbe-microbe and host-microbe interactions in termite guts, biological basis for microaerophily and the ecology of microaerophiles
Dr. Amy Wilstermann

Dr. Amy Wilstermann
amw26@calvin.edu

  • Ph.D., Vanderbilt University, 2002
  • Teaches Cell Biology and Genetics, Biological Science and Cell Physiology
  • Research: DNA topoisomerases, interactions between chemotherapeutic agents and their enzyme targets

Dr. Uko Zylstra

Dr. Uko Zylstra
zylu@calvin.edu
Dean of the Natural Sciences and Contextual Disciplines

  • Ph.D., Vrije Universiteit, Amsterdam, 1972
  • Interests: Cell biology, electron microscopy, environmental ethics, philosophy of biology, and food, agriculture, and world hunger issues
  • Selected Publications