Lab members


Principal Investigator:

Dr. Mary Ann Bruns

Mary Ann Victoria Bruns, Ph.D.

PhD students:

Mara Cloutier, PhD. candidate Soil Science and Biogeochemistry

Tarik Acevedo, PhD. candidate Ecology and Biogeochemistry


Nina Camillone, PhD. Soil Science and International Agriculture

Masters Students:


Undergraduate Students:

Tyler Bailey


Andrew Hopkins


Past lab members:

Ph.D. Graduates and Current Places of Employment

  • Xin Peng, Ph.D., Ecology (2016), China Green Agriculture, Inc., Xi’an, China

Xin collecting data in the field.

  • Claudia Rojas-Alvarado, Ph.D. Soil Science and Biogeochemistry (2013), Postdoctoral Fellow, Department of Hydraulic and Environmental Engineering. Pontificia Universidad Católica de Chile, Santiago, Chile

Claudia assessing vegetation in an acid mine reclamation plot.

  • Morgan L. Minyard, Ph.D., Soil Science and Biogeochemistry (2010), U.S. Department of Defense, Aberdeen, MD
  • Maina Martir-Torres, Ph.D., Soil Science and Biogeochemistry (2010), U.S. Department of State, Washington, DCYonghua Luo, Ph.D. Soil Science (2007), Postdoctoral Researcher, USDOE National Renewable Energy Laboratory, Golden, Colorado
  • Yonghua Luo, Ph.D. Soil Science (2008), USDOE National Renewable Energy Laboratory, Golden, CO; now at Abeome, Athens, GA.
  • Loren Byrne, Ph.D. Ecology (2006), Assistant Professor of Biology, Roger Williams University, Bristol, RI; now Associate Professor.
  • Jody Gibson, Ph.D. Soil Science (2005), TGE Resources, Inc., Houston, TX, now in Bakersfield, CA
  • Hugo Castillo, Ph.D. Ecology (2005), Facultad de Zootecnia, Universidad Autonoma de Chihuahua, Mexico; now at New Mexico State University.


M.S Graduates and Current Places of Employment:

  • Emily Ball, M.S. Soil Science and minor in Biogeochemistry (2019), Soil Conservation Technician, NRCS

Visiting Scholars

  • Dr. Radha Prasanna, (Sept-Dec 2010), Indian Agricultural Institute, New Delhi
  • Rosemary Gutierrez, ASM International Professorship Fellow (June-Nov 2011; Jan-May 2013), University of the Philippines–Baguio

Rosemary at an acid mine drainage reclamation plot.

Biotechnology Rotation Students

  • Kyle Elkin (2008–2009)
  • Jaquelyn Teresky (2009–2010)
  • Shilpa Kumar (2010–2011)