Post-Doctoral Researchers Supervised

Former PhD Students

MS Students Graduated (with thesis)

M.S. Students Graduated

Former Undergraduate Students

Former PhD Students

Name Graduated Dissertation Title Placement Photo
Núria Zamorano-López (Microbial ecology analysis of anaerobic digesters.)
Nadine Kotlarz 05/17 Factors of Full-scale Drinking Water Systems that Contribute to Risk of Opportunistic Infectious Disease Postdoctoral Research Scholar, Civil, Construction, and Environmental Engineering, North Carolina State University Kotlarz_photo
Tara Clancy 01/15 Biogeochemical evaluation of disposal options for arsenic-bearing wastes generated during drinking water treatment Postdoctoral Associate, Soil and Crop Sciences, Cornell University Clancy_photo
Adam Smith 08/14 Treatment of domestic wastewater with anaerobic membrane bioreactors Assistant Professor, Astani Department of Civil and Environmental Engineering
University of Southern California
Adam Smith
Monisha Brown 05/13 Microbial Resource Management in Indoor Recirculating Shrimp Aquaculture Systems Environmental Specialist, Arcadis-US, Florida Monisha Brown
Pranab Kumar Ghosh 07/09-07/10 Biological uranium removal from drinking water sources Assistant Professor, Indian Institute of Technology, Guwahati
Dongjuan Dai 09/10 Development of mixed-species biofilms and genetic mechanisms of species interactions in biofilms Research Scientist, Dept. of CEE, Virginia Tech
Giridhar Upadhyaya 09/10 Biologically-mediated, Simultaneous Removal of Nitrate and Arsenic from Drinking Water Sources Research Engineer, Carollo Engineers, Inc., Orange County, CA Giridhar Upadhyaya
David Berry 09/09 Molecular and Ecological Mechanisms of Bacterial Response to the Drinking Water Disinfectant Monochloramine Assistant Professor, Dept. of Microbial Ecology, University of Vienna David Berry
Xu Li 09/08 Biological Treatment of Perchlorate and Nitrate Contaminanted Drinking Water − Optimization of System Performance Using Microbial Community Characterization Associate Professor, University of Nebraska-Lincoln, Lincoln, NE Xu Li
Toshio Shimada-Beltran (co-advised with J. Zilles and E. Morgenroth) 08/02-05/07 Effects of macrolide antimicroials on anaerobic treatment systems Research Engineer, Carollo Engineers, Dallas, TX
Zhi Zhou 05/07 Evaluation of macrolide-lincosamide-streptogramin B (MLSB) antimicrobial resistance at swine farms Assistant Professor of Civil Engineering and Environmental and Ecological Engineering, Purdue University Zhi Zhou
Sudini Padmasiri (co-advised with E. Morgenroth) 08/03-09/07 Effect of high shear on anaerobic digestion in an anaerobic membrane bioreactor (AnMBR) treating high strength wastewater Technologist, Shell Projects and Technology, Utilities and Heat Transfer Group, Shell Oil Company, Houston, TX
Ku Yong Kim (KAIST, Korea) 03/04-02/05 Biological hydrogen production PhD student, KAIST, Korea
Young Chul Choi (co-advised with E. Morgenroth) 08/01-12/05 Biological perchlorate removal from drinking water Research Engineer, CH2M-Hill, Atlanta, GA
Mohammad Amin 06/03-01/04 Anaerobic Sequence Batch Reactor Iran
Mark Fitch (University of Missouri-Rolla ) 06/03-06/04 The Influence of Shear on Membrane Fouling and Biological Processes in an Anaerobic Membrane Bioreactor (MBR) for Swine Manure Treatment Associate Professor, University of Missouri-Rolla
Ebru Ulekgurgen (Istanbul Technical University, Turkey) (co-advised with E. Morgenroth) 02/04-07/04 Granulation in sequencing batch reactors for enhanced biological phosphorus removal PhD student, Istanbul Technical University, Turkey
Dominic Frigon 01/99-12/04 Mechanism explaining seasonal biological foaming in activated sludge wastewater treatment systems: foam-causing bacteria specialize in consuming lipids Assistant Professor, McGillUniversity, Montreal, Quebec
Jess Brown (co-advised with V. Snoeyink) 01/99-01/02 Abiotic and biotic perchlorate removal in an activated carbon filter Vice President, R&D Practice Director, Carollo Engineers, Inc., Sarasota, FL
Daniel Oerther 08/98-06/02 Using molecular signature methods to measure the in situ physiology of Acinetobacter spp. in enhanced biological phosphorus removal activated sludge wastewater treatment Professor, John A. and Susan Mathes Chair of Environmental Engineering, Missouri University of Science and Technology, Rolla, MO
Dandan Zheng 08/93-08/95 Characterization of microbial communities in anaerobic bioreactors using oligonucleotide probe hybridizations Director, Quality operation at Grifols, Los Angeles, CA


Usha George (Tocklai Experimental Station, India) 01/99-06/99 Molecular microbial ecology of anaerobic bioreactors Tocklai Experimental Station, India
Francis de los Reyes 08/94-12/99 Filamentous foaming in activated sludge systems: A study combining molecular and engineering approaches Professor, Dept. of Civil, Construction, and Environmental Engineering, North Carolina State University, Raleigh, NC
Dagmar Rothauszky (Technical University of Braunschweig, Germany) 01/96-05/96 Oligonucleotide probes for Microthrix parvicella to characterize foaming in activated sludge Evotec Corp., Hamburg, Germany
Kaare Hansen (Technical University of Denmark) 08/96-12/96 Oligonucleotide probes for Syntrophomonadaceae to characterize anaerobic bioreactors Novo Nordisk, Denmark
Wolfgang Ritter (Technical University of Munich, Germany) 01/95-08/95 Oligonucleotide probes for mycolic acid containing actinomycetes to characterize foaming in activated sludge Medical School, Germany

M.S. Students Graduated (With Thesis)

Name Work Period Thesis Title Placement
Petia Tontcheva (co-advised with E. Morgenroth) 08/05-08/07 Organic and inorganic membrane fouling mechanisms in anaerobic membrane bioreactors PhD student, UIUC
Shubhra Jain 08/04-10/06 Filamentous foaming in activated sludge systems Carollo Engineers, Sarasota, FL
Jiangzhao Zhang (co-advised with E. Morgenroth) 08/02-05/05 Effect of shear on membrane fouling in anaerobic membrane bioreactors treating swine waste Carollo Engineers,

Santa Ana, CA

Nicole Monteith (co-advised with E. Morgenroth) 08/02-07/04 Effect of erythromycin on nitrification
Richard Lin (co-advised with E. Morgenroth) 07/01-08/03 Bacterial Community Analysis and Optimization of Biologically Active Carbon Filters Used to Remove Perchlorate from Groundwater Montgomery, Watson, Herza, Walnut Creek, CA
Sudini Padmasiri 08/01-08/03 Microbial community characterization of biological hydrogen removal systems Shell Oil Company, Houston, TX
Ning Tong (co-advised with B. Marinas) 08/01-08/03 Adaptive response in Mycobacterium avium when exposed to monochloramine Environmental Restoration Department, Battelle, Columbus, OH
Adam Klein 08/01-07/03 Using Molecular Techniques to Assess the Role of Novel Organisms in Biological Foaming at Wastewater Treatment Plants Brown and Caldwell, Seattle, WA
Archana Jindal 08/00-08/02 Antimicrobial Resistance in Swine Waste Treatment Processes Carollo Engineers, Santa Ana, CA
Becky Daugherty 08/00-08/02 Anaerobic treatment of high sulfate waste streams to allow for the subsequent recovery of sulfur Carollo Engineers, Denver, CO
Eva Arnaiz 02/00-09/00 Foaming potential of Gordonia amarae grown under different conditions. Is foaming linked to cell wall hydrophobicity? Infilco, Madrid, Spain
Sandra Loor-Vela 08/98-08/00 Anaerobic dissipation of 14C-acetochlor in flooded soil microcosms Executive Director CECIA (NGO), Quito, ECUADOR
Peter Stroot 08/94-07/99 Anaerobic co-digestion of municipal solid waste and biosolids under various mixing conditions Assistant Professor, University of SouthFlorida

(PhDUniversity of Cincinnati)

Daniel Oerther 08/95-08/98 Application of molecular tools for the analysis of biological foaming in activated sludge Professor, Missouri University of Science and Technology, Rolla, MO
James Danalewich 01/96-07/98 Biological nutrient removal from domestic and milk processing wastewaters Malcolm Pirnie Inc., White Plains, NY
Katherine McMahon (Sauer) 08/95-10/97 Syntrophic and methanogenic population dynamics during the anaerobic codigestion of municipal solid waste and sewage sludge Associate Professor, University of Wisconsin, Madison

(PhD UC Berkeley)

Ma. Firorella de los Reyes 08/95-08/97 Detection and quantification of Gordona amarae strains in foaming activated sludge systems using a phylogenetic approach Manila Water Company, Balara, Quezon City, Philippines
Ebru Dulekgurgen 01/95-02/97 Microbial population dynamics in sequencing batch reactors for biological phosphorus removal using ribosomal RNA sequence analyses and oligonucleotide probe hybridizations Assistant Professor, Istanbul Technical University, Environmental Engineering Department, Istanbul-Turkey
Theodore Papagiannis 01/95-08/96 Biological nutrient removal from dairy processing wastewater Attorney, Knobbe Martens Olson & Bear LLP, Irvine, CA
Evanthia Tor (Malkos) 01/94-01/96 Bioremediation of naphtalene in soils of varying textures, nutrient concentrations, and hydrocarbon content Massachusetts Department of Environmental Protection, Springfield, MA
Matthew Griffin 01/94-08/95 Use of molecular tools to enhance the evaluation of anaerobic co-digestion of the organic fraction of municipal solid waste and sewage sludge General Motors, MI
Dandan Zheng 08/93-08/95 Characterization of microbial communities in anaerobic bioreactors using oligonucleotide probe hybridizations Director, Quality operation at Grifols, Los Angeles, CA


M.S. Students Graduated

Name Work Period Placement


Grace Rodriguez

 Grace Rodriguez

Grace Van Velden


James Yonts

Nadine Kotlarz (PhD track) 09/11-05/13 Biological nitrate and perchlorate removal from drinking water using various electron donors
Kathryn Vanderweele Snyder (co-advised with K. Hayes) 09/12-05/13 Peace Corps volunteer, Panama (Arsenic removal from drinking water sources)
Ashley Hammerbeck (research) 09/11-05/13 Consulting engineering Minneapolis-St.Paul area (Anaerobic membrane bioreactors for domestic wastewater treatment)
Andrea Trese (research) 09/11-05/12 Uganda (Fulbright) and Tanzania (Boren), consulting engineering Bay Area (Monitoring drinking water distribution systems)
Alyssa Jenkins (research) 09/10-12/11 Hazen and Sawyer, Cincinnati, OH (Biological removal of arsenic and nitrate from drinking water)
Tara Clancy (PhD track – co-advised with K. Hayes) 09/09-12/10 PhD student UM( Role of sulfate-reducing microbes in biologically mediated removal of arsenic from drinking water)
Tzu-Hsin Chiao (research) 09/09-05/12 Dual degree MSE and MS in Sustainable Systems Engineering (Disinfection strategies for mixed microbial communities in drinking water systems)
Adam Smith (PhD track) 06/09-05/11 PhD student UM (Anaerobic membrane bioreactors)
Andrew Colby (research) 07/09-12/10 Carollo Engineers, Denver, CO (sustainable aquaculture and stress in nitrification systems)
Jeff Jackson (research) 09/08-05/10 Malcolm Pirnie, Denver, CO (Biological removal of arsenic and nitrate from drinking water)
Tanna Borrell (research – co-advised with S. Skerlos) 05/06 – 08/09 Stay at home mother (use of anaerobic membrane bioreactor for municipal wastewater treatment)
Lynn Williams (research) 09/07-05/09 Brown and Caldwell, Seattle, WA (disinfection of drinking water treated by biofiltration)
Rohit Warrier 09/07-12/08 PhD student UM, Department of Geology
Chikako Donahue (research) 09/06-12/08 Stay at home mother
Wangki Yuen (research) 09/07-06/08 PhDstudentUniversity of Illinois at Urbana-Champaign (Microbial community characterization of drinking water treatment Systems)
Monisha Brown (PhD track) 09/06 – 12/07 PhD student UM, CEE (Sustainable aquaculture)
Tara Jackson (research) 09/05 – 12/07 Chevron, Houston, TX (Quantification of microbial populations in anaerobic membrane bioreactors using a phylogenetic microarray method)
David Berry (PhD track) 09/05 – 05/07 Postdoctoral researcher, Dept. of Microbial Ecology, University of Vienna
Gregg Thompson 08/97-12/98 CH2M-Hill, Corvalis, OR
Florencio Ballesteros 08/96-12/97 Instructor, University of the Philippines, Diliman, Quezon City, Philippines
Eric Leveque 08/95-01/97 Carollo Engineers, Las Vegas, NV
David Schumacher 08/94-08/96 Walter E. Deuchler Associates, Inc., Aurora, IL
Jose Barrios-Perez 08/94-08/96 Ph.D. 2003, Asesor del C. Secretario, Secretaria del Medio Ambiente y Recursos Naturales, México, D.F., Mexico
C. Eliana Brown 01/94-01/96 Illinois EPA, Champaign, IL
Pavitra Misra 08/93-01/96 NTH Consultants, Lansing, MI
Jeffrey Ralson 08/93-10/95 O’Brien & Gere Engineers, Inc., Novi, MI
Tetsuo Wada 08/93-08/95 Nihon Suido Consultants Co., Ltd., Tokyo, Japan
Carlos Chavez-Gomez 08/93-05/95 Black & Veach, Phoenix, AZ
Louis le Roux 08/93-12/94 Biothane, New Jersey, NJ

Undergraduate Students

Name Work Period
Bridget Vial 10/15-03/17 Bridget Vial