COVID-19 Update

All campus visitors must be fully vaccinated (boosted). Masks are highly recommended. Instructors & staff are required to submit a daily symptom check. COVID updates.


David J Keenan

DAVID J. KEENAN, B.S., is an environmental health and safety consultant with Performance Safety Associates. He has 34 years of experience in environmental health and safety. He has taught at UCSC Extension since 2001.