Alumni
To help current and prospective students get a better idea of the opportunities available to them after graduation, we’ve collected alumni profiles covering the Department's degree programs. Our graduates are prepared for careers in academia, government, national laboratories, environmental engineering, and the private sector. Read about some of our alumni, what they’re doing now, and what they value most about their time as a students in the Department of Environmental Health and Engineering.
Master of Health Science Environmental Health (MHS) Alumni
Tiffany Onyejiaka, MHS '22 is a medical student at The University of Minnesota School of Medicine, where she is attending on a merit scholarship.
Shouq Alshahrani, MHS '24
Shouq Alshahrani graduated with a Master of Health Science in Environmental Health in 2024. She currently works as a sustainability projects officer in Saudi Arabia.
Ben Eichelman, MHS '23
Benjamin Eichelman graduated in 2023 with a Master of Health Science in Environmental Health, with a pre-med focus.
Tiffany Onyejiaka, MHS '22
Tiffany Onyejiaka is a medical student at The University of Minnesota School of Medicine, where she is attending on a merit scholarship.
Joseph Tumfour, MHS '22
Joseph Tumfour is an environmental health and safety specialist at Genscript, a biotechnology corporation.
Jiana Blaha, MHS '21
Jiana Blaha is a postbaccalaureate fellow at the National Institute of Allergies and Infectious Diseases.
Anthony Nicome, MHS '21
Anthony is an Environmental Justice Fellow at the Association of American Medical Colleges’ Center for Health Justice and a doctoral student at Yale University.
Peter Campbell, MHS '20
Monica Taneja, MD, MHS '19
An MHS in environmental science prepared Monica Taneja for the rigors of medical school. After completing med school at the University of Maryland, she was matched to a psychiatry residency at Harvard South Shore.
Yinka Bode-George, MHS '17
Yinka N. Bode-George leads a national philanthropic nonprofit that transforms sustainability to maximize community impact and achieve environmental justice.
Mona Dai, MHS '17
Mona is a PhD student in environmental science & engineering at Harvard University, working on global pollutants including perfluorinated compounds (PFAS).
Master of Health Science (ScM) Alumni
Iman Habib, ScM '24 is a climate policy analyst with the nonprofit Progressive Maryland.
Elizabeth Chatpar ScM '24
"I chose the ScM degree because it provided me the opportunity to lead my own research project. This ScM program is a unique opportunity for master’s students."
Samiksha Deme, ScM '24
"I chose the Master of Science in Environmental Health program in EHE because I wanted to get a background in environmental health while also getting hands-on research experience, which I've definitely been able to do."
Iman Habib, ScM '24
"I chose this program because it is the best in the country, and because of Johns Hopkins' reputation. EHE offers a broad course selection in environmental health ..."
Kathryn Dixon, ScM '22
"EHE’s rigorous coursework and diverse class options allowed me to take many unique electives that I would not have had the opportunity to do elsewhere."
Sarah-Marie Alam El Din, ScM '20
Master of Science in Geography and Environmental Engineering (MS/MSE) Spotlight
Chris Billak BS '13, MS '20 is the Mid-Atlantic area manager for Spiniello Companies, which specializes in the replacement and rehabilitation of underground utility infrastructure.
Siyi Zhou, MSE '21
Siyi Zhou is a PhD student in Civil and Environmental Engineering at Rice University in Houston. She is researching wastewater-based epidemiology for antibiotic-resistant genes.
Chris Billak, BS '13, MS '20
Chris Billak, BS '13, MS '20 is the Mid-Atlantic area manager for Spiniello Companies, which specializes in the replacement and rehabilitation of underground utility infrastructure. He oversees an organization of 250 employees, with $50 million in public and private projects each year.
Junjao Gu, MS '19
Yan He MS '19
Yan He is a second-year PhD student in the Department of Energy, Environmental and Chemical Engineering at Washington University in Saint Louis, MO.
Sharfan Upaul, MS'23
As a faculty member at Khulna University of Engineering & Technology, Sharfan teaches undergraduates and contributes to the research and development projects focusing on environmental pollution management in collaboration with federal organizations.
Master of Science in Toxicology for Risk Assessment (MS)
Hope Gast, MS' 23 is a human health risk assessor at EA Engineering, Science and Technology PBC Inc.
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Master of Science in Occupational and Environmental Hygiene (MS)
Alumni Spotlight: Caleb Ginorio, MS '21
Caleb Ginorio is a senior industrial hygienist at Savannah River Site in Aiken, S.C.
Alumni Spotlight: Ryan Hines, MS ’21, CIH
Ryan Hines, MS '21 is a certified industrial hygienist and PhD student in the Department of Environmental Health and Engineering.
Alumni Spotlight: Pearl Lee, MS '19
Pearl Lee is an industrial hygienist at the Marathon Petroleum Los Angeles Refinery.
PhD in Environmental Health & Engineering
Jeffrey Freeman, PhD '17 is the director of the National Center for Disaster Medicine and Public Health at USU.