Meet Nancy M. McClellan, M.P.H., CIH, CHMM
With a career spanning over 25 years, Nancy M. McClellan, M.P.H., CIH, CHMM is a globally recognized expert in industrial hygiene, occupational health, and expert witness services. As the CEO and Principal Consultant of Occupational Health Management, PLLC, Nancy has dedicated her career to safeguarding health and safety in some of the world’s most high-risk industries.
Her experience extends across diverse sectors, including:
- Pharmaceuticals
- Automotive
- Facilities Management
- Healthcare
- Food & Beverage
- Construction
- Defense & Military
With roles as a senior executive, consultant, expert witness, and thought leader, Nancy has earned a reputation for her unwavering commitment to health, safety, and ethical practice. Her unique approach blends technical precision with compassionate leadership, making her a sought-after figure in the world of industrial hygiene.
For inquiries or to consult with Nancy, contact her today:
Nancy’s Professional Background & Experience
Over 25 Years of Experience in High-Hazard Industries
Nancy’s expertise goes beyond the boardroom — she has hands-on experience in some of the world’s most hazardous industries, including:
- Pharmaceuticals — Handling and managing highly potent active pharmaceutical ingredients (HPAPIs).
- Defense & Military — Providing consulting for health and safety in military environments.
- Healthcare — Protecting workers from biohazards, infectious disease control, and chemical exposure.
- Construction & Manufacturing — Assessing exposure risks and advising on protective measures.
Her extensive industry experience makes her a top resource for companies looking to manage risk, ensure compliance, and protect worker health and safety.
Leadership Roles in Global Corporations
Before establishing Occupational Health Management, PLLC, Nancy McClellan served as a key industrial hygiene executive for two global giants:
- AbbVie — As a leader at one of the world’s leading biopharmaceutical companies, Nancy managed industrial hygiene practices for highly potent active pharmaceutical ingredients (HPAPIs).
- LafargeHolcim — At the world’s largest building materials company, she was responsible for industrial hygiene management and health protection on a global scale.
Her experience with corporate risk management, compliance, and exposure control makes her a go-to expert for companies seeking to protect their workforce.
Key Services Offered by Nancy McClellan & Occupational Health Management, PLLC
1. Industrial Hygiene Consulting
Occupational Health Management, PLLC provides customized consulting services to assess and control health risks in the workplace. Key services include:
- Chemical Exposure and Risk Assessment — Mathematical modeling of airborne contaminants and chemical exposure.
- Biohazard Risk Management — Pandemic response, infectious disease control, and facility health protection.
- Hearing Conservation — Designing and implementing OSHA-compliant hearing safety programs.
- Respiratory Protection Programs — Custom design, implementation, and management of respiratory safety protocols.
These services help companies improve worker safety, ensure regulatory compliance, and reduce liability.
2. Expert Witness Services
Nancy McClellan provides expert witness support for legal teams in litigation and arbitration cases. Her ability to analyze case files, develop opinions, offer depositions, and provide clear, expert testimony has made her a trusted resource for attorneys.
Her areas of expertise include:
- Chemical Inhalation & Dermal Exposure and Risk Assessment — Testifying on workplace chemical hazards and their health effects.
- Occupational Injury & Illness Cases — Providing expert analysis of injury cases involving health and safety breaches.
- OSHA Compliance Disputes — Helping organizations resolve regulatory compliance disputes and legal claims.
Her role as an expert witness ensures that legal teams have the industry expertise required to achieve favorable outcomes.
3. Training & Education
As a Distinguished Lecturer for the American Industrial Hygiene Association (AIHA), Nancy McClellan is committed to educating future leaders in occupational health and hygiene. Her training programs provide hands-on, practical skills for both management and workers.
Her training services cover:
- Change Management & Risk Communication — Teaching employees and management teams how to adapt to new protocols.
- Workplace Hazard Recognition & Control — Training employees to recognize and mitigate risks before they cause harm.
- Executive Health & Safety Training — Educating corporate leadership on health and safety compliance best practices.
Her education efforts promote a culture of health and safety in every organization she works with.
Ready to Protect Your Workforce with Proven Expertise?
When it comes to occupational health, you deserve a trusted leader with global experience and local service. Occupational Health Management, PLLC offers clients in Michigan, nationwide, and beyond the guidance they need to keep their workforce safe and their business in compliance.
Occupational Health Management, PLLC — Your Partner in Industrial Hygiene, Safety, and Compliance.
Awards & Industry Recognition
Nancy McClellan’s work in industrial hygiene and occupational health has earned her widespread recognition. Her dedication to health, safety, and ethical practice has been celebrated through industry awards and accolades.
Her key achievements include:
🏆 AIHA Distinguished Lecturer — Recognized for her role as an industry leader and educator. Learn More.
🏆 Board Leadership & Service — Serving in leadership roles for AIHA, ABIH, and OHTA. Learn More.
🏆 Chair of COHSE Advisory Board — Shaping the future of occupational health education at the University of Michigan. Learn More.
Her influence extends both domestically and internationally, where she is known for her thoughtful insights, collaborative leadership, and technical excellence in managing occupational health hazards.
Memberships & Leadership Roles
Current Leadership Roles
Nancy McClellan is a leader in multiple high-profile organizations that drive innovation, ethics, and standards in industrial hygiene and occupational health. Her leadership roles include:
- Vice President – American Industrial Hygiene Association (AIHA) — Leading strategy, innovation, and organizational development for one of the world’s most prestigious occupational health organizations.
- Chair – University of Michigan Graduate School of Public Health COHSE External Advisory Board — Shaping the future of occupational health education.
Active Memberships
Nancy remains actively involved in several industry-leading organizations, ensuring she stays on the cutting edge of best practices, regulatory changes, and emerging industry trends.
Her current memberships include:
- American Conference of Governmental Industrial Hygienists (ACGIH)
- American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE)
- Institute for Hazardous Materials Management (IHMM)
- American Industrial Hygiene Association
Her involvement in these organizations ensures she remains at the forefront of industry best practices and technical advancements.
Testimonials — What Clients Say About Nancy McClellan
Don’t just take our word for it. Here’s what clients, attorneys, and industry leaders have to say about working with Nancy McClellan and Occupational Health Management, PLLC:
Ready to Protect Your Workforce with Proven Expertise?
When it comes to occupational health, you deserve a trusted leader with global experience and local service. Occupational Health Management, PLLC offers clients in Michigan, nationwide, and beyond the guidance they need to keep their workforce safe and their business in compliance.
Occupational Health Management, PLLC — Your Partner in Industrial Hygiene, Safety, and Compliance.