Who's Who Humanitarian

Stephen W. Hemperly MS, CIH®, CSP®, CLSO, FAIHA™

Title: Advisory Industrial Hygienist
Company: Western Digital Corporation
Location: Bay Point, California, United States


  • Contra Costa County Library, Project Second Chance (tutor)
  • The University of Texas at Austin
  • The University of Texas Health Science Center at Houston


  • Honoree, Distinguished Worldwide Humanitarian Award (2022)
  • Inductee, Top Professionals of the Year, Marquis Who’s Who (2022)
  • Certified Laser Safety Officer, Board of Laser Safety (2003-2018)
  • Certified Safety Professional, Board of Certified Safety Professionals (1992-2016)
  • Certified Industrial Hygienist, American Board of Industrial Hygiene (1981-2020)
  • Recipient, Fellow Award, American Industrial Hygiene Association (AIHA)

Contact Stephen W. Hemperly MS, CIH®, CSP®, CLSO, FAIHA™

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