Group photo, May 2026
Anna Hartig, PhD student, EECE (2021-)
Project: Survival of genetically engineered microbes in environmental systems
Degrees held: BA, The College of Wooster; BS, Washington University in St. Louis
Hobbies: soccer, snowboarding, and painting
Contact Information: a.hartig@wustl.edu
Awards: EECE Teaching Award for Undergraduate Courses (Spring 2024)
Ramachandran Graduate Scholar Award (Spring 2025)
Jean Brownell, PhD student, EECE (2022-)
Project: Extraction of organic contaminants from POU filters
Degrees held: BS, University of Rochester
Contact Information: bjean@wustl.edu
Awards: Olin Fellowship (2022-)
EECE Teaching Award for Graduate Courses (Spring 2025)
Best Student Presentation, Ozark‐Prairie and Mid‐South Joint Chapter Regional Meeting of the Society of Environmental Toxicology & Chemistry (SETAC) (Spring 2025)
Positions: Graduate Student Academic Advisory Board (GSAAB)
EECE Equity, Diversity, & Inclusion (EDI) Committee
EECE Graduate Student Council (GSC)
Graduate Student Representative to WashU Board of Trustees (2024-2025)
Yufei (Fiona) Wu, PhD student, EECE (2024-)
Project: Fate of herbicides and their formulation components
Degrees held: BA, Rutgers University; MS, Stanford University
Hobbies: Playing puzzles, skiing, photography
Contact information: fiona.w@wustl.edu
Dr. Cole Scholtz, Postdoctoral Scholar, EECE (2025-)
Project: Disinfection by product monitoring
Degrees Held: BS, Chemistry, University of Central Missouri
MS & PhD, Chemistry, University of Minnesota-Twin Cities
Contact information: scholtz@wustl.edu
Izzie Gattone, UG student, EECE (2025-)
Project: Extraction of organic contaminants from POU filters
Alexa Wienhoff, UG student, EECE (2026-)
Project: Fate of herbicides and their formulation components
Awards: EECE Outstanding Junior Award
Maria Leon Urrutia, UG student, EECE (2026-)
Project:Disinfection by product monitoring
Awards: SPHERE Summer Fellowship
Katy Nozaki, Summer Intern, (2026-)
Project: Fate of herbicides and their formulation components
Parker Lab Alumni with Thesis
Kun-Pu Ho, PhD student, EECE (2020-2025)
Project: Fate of nucleic acid pesticides from genetically modified crops
Degree held: MEng, National Taiwan University; Bachelor, National Cheng Kung University
Hobbies: playing the guitar; fitness
Contact information: h.kun-pu@wustl.edu
Jackie Rogers, PhD student, EECE (2020-2025)
Project: Agrochemical transformation reactions
Degrees held: BS, Santa Clara University
Hobbies: Running, baking, hiking, podcasts
Contact Information: jrogers22@wustl.edu
Awards: Student Presentation Award, ACS Disinfection By-Products Symposium (Fall 2022)
Best Student Presentation Award (1 of 2), Center for Water Innovation Annual Research Symposium (Spring 2023)
EECE Teaching Award for Graduate Courses (Spring 2024)
Dr. Anamika Chatterjee, PhD, EECE (2019-2023)
Thesis Title: Fate of Biomacromolecules in Environmental Systems
Position after graduation: Environmental Chemist at Evonik
Awards: Best Student Presentation (MAEEC 2020)
ACS AGRO Student Travel Award (Fall 2021)
ACS ENVR Graduate Student Award (2022)
American Geophysical Union Local Science Partner (inaugural class, 2022)
Dr. Moshan Chen, PhD, EECE (2018-2023)
Thesis Title: Halogen Oxidants Contribute to Organic Compound Degradation and Toxic Halogenated Byproduct Formation in Engineered Aquatic Systems
Position after graduation: Senior Staff Professional at Geosyntec Consultants
Awards: ACS ENVR Graduate Student Award (2021)
P. Ramachandran Graduate Scholar Award (Spring 2023)
Dr. Andromeda Sharkey, PhD, EECE (2018-2023)
Thesis Title: Herbicide-Amine Salt Volatilization from the Solution and Dried Residue
Position after graduation: Scientist at Curium Pharma
Awards: Teaching Award for Undergraduate Courses (EECE)
ACS AGRO Student Travel Award (Fall 2021)
P. Ramachandran Graduate Scholar Award (Spring 2022)
Wentao Dai, UG & MS student with thesis, EECE (2021-2023)
Thesis Title: Persistence of DNA from Biocontained Genetically Engineered Microbes
Position after graduation: PhD Student at Washington University
Awards: Outstanding Dual Degree Student Award (Spring 2022)
EECE Teaching Award for Graduate Courses (Spring 2024)
Dr. Ke Zhang, PhD, EECE (2017-2022).
Thesis Title: Environmental Fate of RNA Interference Biopesticides
Position after graduation: Postdoctoral Researcher at University of Michigan- Ann Arbor
Awards:
ACS AGRO Student Travel Award (Fall 2021)
ACS GEOC Student Travel Award (Fall 2021, declined due to AGRO)
Invited speaker at the Gordon Research Seminar Environmental Science: Water
Additional Parker Lab Alumni
Erin Reardon, UG student, EECE (2022-2025)
Project: Isoxaflutole herbicide reactions
Awards: WUSTL Summer Undergraduate Research Award
Krisha Kapoor, UG student, EECE (2023-2024)
Project: Biocontainment of genetically engineered microbes
Awards: McKelvey Research Scholar
Dhruv Vadapalli, UG student, WashU A&S (2023)
Project: POU filters for water quality monitoring
Center for Environment Scholar
Hadia Khatri, UG student, EECE (2023)
Project: POU filters for water quality monitoring
Fadila Lateef, UG student, EECE (2023)
Project: RNA photodegradation
Lindsey Feeley, UG student, EECE (2023)
Project: Dicamba gas phase measurements
Kristine Maxwell , UG student, Truman State University (2023)
Project: Herbicide fate in the environment
Awards: WUSEF Summer Fellowship
Siena Lum, UG student, EECE (2023)
Project: Analysis of genetically engineered microbes
Mia Phutrakul, UG student, EECE (2022)
Project: RNA stability at extreme pH
Jocelyn Epstein, UG student, EECE (2022)
Project: Herbicide amine interactions
Serena Earp, UG student, EECE (2022)
Project: Herbicide reactions
Awards: WUSTL Summer Undergraduate Research Award
Ian Henderson, UG student, EECE (2022)
Project: Herbicide impacts on environmental systems
Aiden Krogh, UG student, EECE (2022)
Project: Analysis of genetically engineered microbes
Shane Persaud, UG student, EECE (2021)
Project: Oxidation reactions and by product formation
Hakyung Lee, rotating PhD student,, EECE (2021)
Project: Semivolatile agrochemical transport in the environment
Kaichao Yang rotating PhD student, EECE (2021)
Project: Agrochemical transformation reactions
Megan Ross, UG student, EECE (2021)
Project: Biomolecule partitioning
Yue Rao, WUSTL Graduate Student, 2021
Project: Metal catalyzed RNA degradation
Carter Rholl, Masters Student, EECE (2020-201)
Project: Reactions in energy production systems, treatment of algae-impacted water
Awards: WUSTL Undergraduate Research Award for Conference Travel (to present at AEESP 2019), May 2019
Adam Stein, BS student, EECE (2019-2020)
Project: Semivolatile agrochemical transport in the environment
Jourdan He, BS student, EECE (2019-)
Project: Radical chemical reactions in natural and engineered systems
Jonathan Graham, BS student, EECE (2021)
Project: Agrochemical transformation reactions
Joe Hodge, MS student, EECE (2019-)
Project: Fate and interactions of RNAi biopesticides
Degrees held: B Eng, Vanderbilt University
Hobbies: hiking, violin, mandolin, photography
Contact Information: joseph.hodge@wustl.edu
Awards: Dean’s Scholarship
Grace Park, Post Bacc student (2019-2020)
Project: Adsorption of biomolecules
Degrees held: BS, Santa Clara University
Carter Rholl, B.S. Student, EECE (2018-2019)
Project: Reactions in energy production systems
Awards: WUSTL Undergraduate Research Award for Conference Travel (to present at AEESP 2019), May 2019
Matthew LaMacchia, B.S. Student, EECE (2019 )
Project: Reactions in energy production systems
Project: Fate of nucleic acid pesticides from genetically modified cropsZhiyao Li, graduate student, EECE (2018)
Project: Fate of nucleic acid pesticides from genetically modified cropsLin Zhang, graduate student, EECE (2018)
Project: Reactions in energy production systemsJingmiao Wei, graduate student, EECE (2018)
Project:Fate of nucleic acid pesticides from genetically modified cropsAditi Sharma, Summer Research Intern, IIT Gandhinagar, 2018
Project: Reactions in energy production systemsM. Shen, WUSTL Graduate Student, 2018
Project: Radical reactions in energy production systems
A. Mishrra, WUSTL Graduate Student, 2017
Project: Damage of biomolecules by halogen radicals
Prior to WUSTL:
K. Sodnikar, ETH Zurich PhD Student
Project: Biomacromolecular pesticides
L. Portenier, ETH Zurich MS Student
Project: Biomacromolecular pesticides
B. Clerc, ETH Zurich MS Student
Project: Biomacromolecular pesticides
K. Furst, Stanford Graduate Student
Project: Contribution of halogen oxidants to organic matter photobleaching
A. Szczuka, Stanford Graduate Student
Project: Damage to proteins and viruses due to halogen oxidants
S. Chen, Galileo Academy high school student
Project: Impact of halides on disinfection by-product formation
C. Chinn, Galileo Academy high school teacher
Projects: Quantifying the reactivity of halogen oxidants; Impact of halides on disinfection by-product formation
S. Fobi, Stanford Graduate Student
Project: Disinfection by-product formation in flowback-impacted river water
N. Nordin, Stanford Graduate Student
Project: Disinfection by-product formation in flowback-impacted river water
Emerging Contaminants Laboratory @ WUSTL 
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