Leadership


Mark Tomko
General Manager

Mark TomkoEmail Mark Tomko
(707) 652-7801




Alexandria Houston
Director of Human ResourcesA. HoustonEmail Alexandria Houston
(707) 644-8949



Jennifer Harrington

Director of Environmental Services
Jennifer HarringtonEmail Jennifer Harrington
(707) 652-7806


Johnson Ho

Director of Operations & Maintenance
Johnson HoEmail Johnson Ho
(707) 652-7803




Justin Keating

Director of Field Operations
Justin KeatingEmail Justin Keating
(707) 644-8949 x1704



Tracy Rideout

Acting Director of EngineeringEmail Tracy Rideout
(707) 652-7802







Jeff Tucker
Director of Finance/Treasurer
(707) 652-7802