Health Disaster Management Division

405 W. Fifth Street,
Suite 301A
Santa Ana, CA 92701
Phone: 1-(714)-834-3500
Fax: 1-(714)-834-3125

Terre Duensing
Division Manager
tduensing@ochca.com
1-(714)-834-3500

Greg Boswell
Program Manager
Emergency Medical Services (EMS)
gboswell@ochca.com
1-(714)-834-2791

Erik Lowman
Program Manager
Healthcare Preparedness/Grant Management
elowman@ochca.com
1-(714)-834-6281

John Van Sky, Ph.D.
Program Manager
Healthcare Training/Response Emergency
jvansky@ochca.com
1-(714)-834-6587

Business Hours
8:00 a.m. to 5:00 p.m.
M - F

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