Group: EHS

John Crocker joined the Environmental Health and Safety Office at George Mason University in January of 2013 as the Chemical Safety Manager. He manages the chemical hygiene program, laboratory hazard assessments and accident/incident investigations, the hazardous waste management program, laboratory registrations and annual inspections. He also serves as an Alternate Responsible Official at George Mason University’s Biomedical Research Laboratory on the Science and Technology Campus.

Prior to joining George Mason, John served as an industrial hygienist for an environmental consulting firm in Richmond, VA from 1998 to 2000, before transitioning to Radford University as an Environmental Compliance Specialist from 2000 to 2010, and then as Interim Safety Director from 2011 to 2012.

John earned a certification as a Board Certified Safety Professional in 2012, and certification as a Hazardous Materials Manager in 2023. John graduated from Virginia Wesleyan University with a BA in Biology.

Mohamed Kamara joined Environmental Health and Safety at George Mason University in January 2022 and currently serves as the Safety & Environmental Compliance Officer. In this role, he leads critical initiatives to ensure the safety and regulatory compliance of Facilities Management (FM) operations. His responsibilities include:

• Preparing LOTO Equipment Specific Procedures.
• Coordinating and scheduling safety training for FM employees.
• Conducting Lockout Tagout (LOTO) proficiency assessments.
• Performing fire and safety inspections across FM workshops.
• Preparing detailed Job Safety Analyses (JSAs).
• Overseeing Environmental Compliance efforts, including air emissions reporting, fuel certification, air permitting, Tier II reporting, trainings, and universal waste management.

Mohamed brought a wealth of experience from the Virginia Department of Corrections, where he served as an Occupational and Environmental Safety Specialist. His background reflects a strong foundation in both regulatory compliance and hands-on safety program implementation.

Mohamed holds a Master of Science in Occupational Environmental Safety and Health from the University of Wisconsin–Whitewater.