Johns Hopkins Occupational & Environmental Hygiene Program

Johns Hopkins Occupational & Environmental Hygiene Program ABET-accredited program in occupational and environmental hygiene: full-time/on-campus and online/part-time master's degree options

The overall goal of the Occupational and Environmental Hygiene (OEH) master’s degree program is to provide students with the tools needed to address the broad spectrum of environmental health problems they will encounter throughout their professional careers. Addressing problems associated with occupational health, air pollution, and other environmental health factors requires a complex skill set

that includes training and understanding in chemical, biological, physical and engineering sciences. The part-time/internet based option was developed so that working professionals can have this training available in a flexible format so that they can continue to work while earning a degree.

Another successful Summer Institute of the Anna Baetjer Class! We had a fantastic group of dedicated and passionate OEH ...
06/14/2026

Another successful Summer Institute of the Anna Baetjer Class! We had a fantastic group of dedicated and passionate OEH professionals!!

Congratulations, Dr. Twilley! We are so proud of counting you among our alumni!
05/30/2026

Congratulations, Dr. Twilley! We are so proud of counting you among our alumni!

Congratulations to John R. Mulhausen, PhD, CIH, CSP, FAIHA, and Michele M. Twilley, DrPh, CIH, recipients of AIHA’s highest tribute for distinguished service to the OEHS profession.

Their work on Advancing OEHS Science and Practice has helped further AIHA’s mission through four key initiatives: Defining the Science, Principles of Good Practice, State of the Art vs. Practice, and Improving Exposure Judgments.

Learn more about the Advancing OEHS Science & Practice initiative here: https://hubs.li/Q04jd1nm0

05/17/2026

Congratulations!!

05/16/2026
First visit of the Anna Baetjer Class! Thanks to McCormick OSH team for hosting us!
04/04/2026

First visit of the Anna Baetjer Class! Thanks to McCormick OSH team for hosting us!

Almost ready to wrap up a successful term of the Anna Baetjer class!
05/12/2025

Almost ready to wrap up a successful term of the Anna Baetjer class!

Please call your senators! We may still be able to save NIOSH. Tell a personal story
04/30/2025

Please call your senators! We may still be able to save NIOSH. Tell a personal story

We are saddened by the news of Max Lum passing away. He was an amazing educator, commuting almost 3 hours the last few y...
12/07/2024

We are saddened by the news of Max Lum passing away.
He was an amazing educator, commuting almost 3 hours the last few years to teach his lecture on risk communication. A student favorite! You will be sorely missed dear Max.

Amazing group! A big shout out to the students that were engaged and with sharp observations until the very last class, ...
06/30/2024

Amazing group! A big shout out to the students that were engaged and with sharp observations until the very last class, even with COVID! Such a treat to teach this class with my co-instructor Dr. Fazen!

Congratulations to Kristoffer (Kris) Spicer on a successful presentation of the final project for his MS in OEH!! JHU ER...
06/28/2024

Congratulations to Kristoffer (Kris) Spicer on a successful presentation of the final project for his MS in OEH!! JHU ERC Johns Hopkins Environmental Health & Engineering 🎉👍🏼Kirsten Koehler

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