CalRecycle Staff Directory

Organization Units

Waste Tire Compliance Central Unit
Mark Umfress (916) 341-6261 Supervisor Senior Environmental Scientist (Supervisory)
Jared Weathers (916) 341-6517 Staff Environmental Scientist
Jose Brambila (916) 341-6759 Staff Environmental Scientist
Kassandra Pay (916) 323-2971 Staff Environmental Scientist
Lor Xiong (916) 341-6634 Staff Environmental Scientist