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Invasive Species Staff


Elizabeth Brown
Invasive Species Coordinator

Robert Walters 
Invasive Species Specialist

Jim Greffly 
Watercraft Inspection & Decontamination Specialist (Southwest & Southeast Region)

Brad Clements 
Watercraft Inspection & Decontamination Specialist (Northwest & Northeast Region)

Administrative Assistant

Our staff also depends on the hard work of many seasonal staff members working between 6-9 months a year. All of the Invasive Species program staff are State Certified Watercraft Inspectors and Decontaminators, and many are trained using National training standards. ​​

You can contact the Aquatic Nuisance Species Department by 
calling (303) 291-7295, or writing the address below: 

          Colorado Parks and Wildlife
          Invasive Species Department
          6060 Broadway 
          Denver, CO 80216