Dave Cummings, Ph.D.

  • Professor of Biology
  • Phone: 619.849.2642


  • B.A., English Literature, Point Loma Nazarene College
  • M.S., Zoology, University of Idaho
  • Ph.D., Microbiology, Molecular Biology, and Biochemistry, University of Idaho


Dr. Cummings earned a B.A. in English Literature from Point Loma Nazarene College (now Point Loma Nazarene University) in 1995, an M.S. in Zoology from the University of Idaho in 1998, and a Ph.D. in Microbiology, Molecular Biology, and Biochemistry from the University of Idaho in 2000.  He was a Post-doctoral Fellow at the Idaho National Laboratory from 2000-2004, and joined the Biology faculty at PLNU in 2004.

Dr. Cummings has been married to Ann (Rowlett) Cummings since 1997 and they have three amazing children:  Josh, Sydney, and Ryan.


Dr. Cummings is primarily responsible for teaching Cell Biology and Biochemistry (BIO210), Microbiology of Infectious Diseases (BIO220), and Microbiology (BIO315).  Additionally, he team-teaches Neotropical Ecology (BIO340) with Dr. Mooring every other spring, ending with a visit to the cloud and rain forests of Costa Rica (slide show).  He also participates in Southern Nazarene University’s Tropical Ecology and Sustainability course in Costa Rica (QERC Group).


American Society for Microbiology, member since 1997.


As an environmental microbiologist, Dr. Cummings’ research focuses on the interactions between anthropogenic pollutants and native bacteria in natural water, soil, and sediment habitats.  Click to read more about research in the Cummings lab.


Click here for a list of publications.


Alumni Connection E-Newsletter

CA Sea Grant Article

Dangerous DNA

Huffington Post

NCN News

NIH Article - Drug-Defying Superbugs

NIH Grant Award

NIH Research Spotlight 2014

PLNU Faculty Spotlight

PLNU Viewpoint

SD News

San Diego Union-Tribune Article

Transworld Surf Magazine - Article about Surfing at the TRE


Quiet Waters Blog

What's Your Story? Shout! Outdoor Lifestyle Magazine

Creation Care and a Bundled Worldview: Shout! Outdoor Lifestyle Magazine

Click photo for Costa Rica slide show