ENVIRONMENTAL SUPPORT SERVICES - Key Persons


David Castagno


Jeff Hazard - Founder

Job Titles:
  • Founder
Jeff graduated from Stanford University in 1986 and holds a Bachelor of Science degree in Geology. Jeff's original plan was to work in the U.S. oil industry, however, with that all but dried up by the mid-80s, he redirected his talents into the field of environmental research. Together with his wife Suzi, they have built one of the most respected environmental research firms in Southern California.

Shannon Castagno

Job Titles:
  • Project Manager
Shannon's experience in the industry spans over 15 years. She has served in many capacities at Environmental Support Services and knows the business from the bottom up. Her exceptional "people skills" make her an invaluable resource. She has cultivated strong, personal relationships with many agency personnel, which gives her a distinct advantage when it comes to "calling in a favor." Her attention to detail and outgoing personality make her the perfect individual for the position.

Suzi Hazard - Founder

Job Titles:
  • Founder
Suzi graduated from Stanford University in 1987. She holds a Bachelor of Science degree with an emphasis in Biology, Chemistry, Physics and Geology. She has been in the environmental research field since 1988 and has earned the respect of her peers for her vast knowledge of the industry and her insight and intuitiveness.