In this episode of the Healthier Workplaces Show Podcast, we interview industrial hygienist Mary V. O'Reilly, PhD, CIH, CPE, FAIHA, as part of our Luminary Series. Mary is a founding member of Workplace Health Without Borders (WHWB) and its US branch. She is a fellow of AIHA and the recipient of AIHA’s 2016 Alice Hamilton Award.  Mary is currently an adjunct professor at the University of Albany School of Public Health. She teaches Occupational Health: Achievements, Continuing Challenges, and Evolving Issues, a course for graduate and upper undergraduate students.  We’re going to talk to Mary about her 40-plus years in OEHS and learn how the field has changed since she started her career.