Reston Microbiology Lab


Dr. Denise M. Akob

Dr. Denise M. Akob

Research Microbiologist


Phone: 703-648-5819
USGS Staff Profile


Ph.D. in Biogeochemical Oceanography, 2008
Department of Oceanography, Florida State University, Tallahassee, Florida
Advisor: Dr. Joel E. Kostka

B.A. in Biology, 2002
St. Mary’s College of Maryland

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ORCID - ORCID: 0000-0003-1534-3025

Scholar - Google Scholar Profile

Adam Mumford

Adam Mumford

Mendenhall Postdoctoral Fellow

(Co-advised by Dr. Isabelle Cozzarelli, Reston Biogeochemical Processes in Groundwater Lab)


Phone: 703-648-5893
USGS Staff Profile


Ph.D. in Environmental Science, 2013
Rutgers University, Department of Environmental Sciences, New Brunswick, NJ
Major Professor: Dr. Lily Young

B.S. in Microbiology, 2004
University of New Hampshire, Durham, NH

Cassandra Harris

Cassandra Harris

NSA Contractor


Phone: 703-648-5487


M.S. in Marine Biosciences, 2019
University of Delaware, College of Earth, Ocean, and Environment
Major Professor: Dr. Jennifer Biddle

B.S. in Marine Science, 2017
Savannah State University

Mitra Kashani

Mitra Kashani

Masters Student


Phone: 703-648-6850


Pursuing a Masters of Science in Biology
George Mason University, Fairfax, VA

B.S. in Biology, 2018
George Mason University, Fairfax, VA

Tim Bushman

Tim Bushman



Phone: 703-648-5468


B.S. in Microbiology, Minor in Green Engineering, 2019
Virginia Polytechnic Institute and State University, Blacksburg, VA

Bridgette Polite

Bridgette Polite



Phone: 703-648-5479


Pursuing a B.S. in Laboratory Management at University of Maryland Global Campus

Peter Bouwma

Peter Bouwma

Volunteer for Science




Ph.D. in Biology, 2006
Florida State University, Tallahassee, FL

B.S. in Biology, 2000
Calvin College, Grand Rapids, MI

Marisa Mihori

Marisa Mihori

Volunteer for Science Intern


Freshman at The College of William and Mary, Williamsburg, VA

Langley High School, McClean, VA 2019

Former Group Members

Kaylene Charles

Lab Technician July 2012-September 2013

Darren Dunlap

Lab Manager August 2012-September 2015

Education: M.S. in Marine Science, 2012 University of South Florida; B.S. in Microbiology, 2008 The University of Tennessee, Knoxville

Current Position: Microbiologist at Boeing Research & Technologies, The Boeing Company

Christian Go

Volunteer for Science Intern, May-August 2013

Jean Michael Chanchu

Volunteer for Science Intern 2013; Student Contractor 2014

Bryan Saldana

Volunteer for Science Intern, 2014

Education: Postbacc, 2015 Virginia Commonwealth University; B.S. in Biology, 2013 George Mason University

Current Education: Indiana University Medical School Class of 2022

Benedita Pinto

Volunteer for Science Intern, 2014

Eric Tang

Flint Hill High School Intern, 2014

Melissa Harrington

NAGT Intern 2014

J. Grace Klinges

Volunteer for Science Intern, 2014; Student Contractor, 2014-2015; Haverford senior thesis, 2014-2015; Hydrology Field Assistant Intern, 2015

Education: B.S. in Geology, 2015 Haverford College

Current position: Graduate Student at Oregon State University with Dr. Rebecca Vega Thurber

Andrea Fraser

Volunteer for Science Intern, 2014; Student Contractor, 2014-2015

Education: B.S. in Civil, Environmental and Infrastructure Engineering, 2014 George Mason University

Current position: PhD Student at Johns Hopkins University, Department of Geography and Environmental Engineering, website

Yoona Jun

Volunteer for Science Intern 2014; Student Contractor, 2015

Matthew Olson

NAGT Intern, 2015

Current position: Graduate Student at University of Utah with Dr. Summer Rupper

Hannah Backman

Biological Field Assistant Intern, 2015-2016

Education: B.S. in Environmental Science, 2016 University of Virginia

Current position: GIS Technician with the city of Saratoga's Community Development and Public Works Departments

Charlie Quinn

Volunteer for Science Intern 2016 and 2018

John Swiecichowski

NAGT Intern 2016

Education: B.S. in Earth Sciences, 2016 University of Minnesota Twin Cities

Current position: Hydrologic Technician, USGS Oregon Water Science Center

Tadd Alexander

Biological Field Assistant Intern, 2016-2017

Education: B.S. in Environmental Science and a Minor in Green Engineering, 2017 Virginia Tech

Aubrey Dunshee

NAGT Intern, 2017

Education: B.A. in Earth Sciences, 2016 University of Minnesota

Current position: Graduate Student in Earth Sciences at the University of Minnesota Twin Cities Dr. Crystal Ng, website

AJ Doane

Biological Field Assistant Intern, 2017

Education: Junior at George Mason University, pursuing a B.S. in Biology with a concentration in microbiology

Amy Springfield

Volunteer for Science Intern, 2017, Student Contractor 2018

Education: Pursuing a degree in Biology at the University of Virginia

Yesha Shrestha

Lab Manager, 2016-2018

Education: B.S. in Molecular Biochemistry and Bioinformatics, 2014, George Washington University; B.S. in Biology, 2011. Christopher Newport University

Robert Andrews

Microbiologist, 2016-2019

Education: M.S. in Environmental Science & Policy, 2011, George Mason University; B.S. in Environmental Science, 2004, Virginia Tech