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Operations Staff

A photo of 12 people in uniforms and clothing with San Mateo County Mosquito and Vector Control branding. The people are standing in front of a tan wall and all looking at the camera.

Operation Staff consists of 10 Vector Control Technicians, a Supervisor, and a Director.  All staff are certified by the California Department of State Health Services as Public Health Vector Control Certified Technicians.  All staff maintain an active certification, which includes continuing education units and regular training.


Vector Control Technicians, by area served:

AthertonEvan Ostermann
BelmontStephanie Busam
BrisbaneEric Eckstein
BurlingameJustin Loman
ColmaWalter Bruj
Daly CityWalter Bruj
East Palo AltoEvan Ostermann
Foster CityVanessa Hernandez Pacheco
Half Moon BayWalter Bruj
HillsboroughJustin Loman/David Allen
La HondaKim Keyser
Loma MarWalter Bruj
Menlo ParkEvan Ostermann/Kim Keyser
MillbraeEric Eckstein
PacificaWalter Bruj
PescaderoWalter Bruj
Portola ValleyKim Keyser
Redwood CityDevon MacDonald
Redwood ShoresStephanie Busam
San BrunoEric Eckstein
San CarlosStephanie Busam
San GregorioWalter Bruj
San MateoDavid Allen/Vanessa Hernandez Pacheco
South San FranciscoEric Eckstein
WoodsideKim Keyser
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