Contact Us

Caught mid-flail, this cub looks like it is waving at somebody.

NPS/Ken Conger

Biological Resources Division
Natural Resources Stewardship and Science Directorate
1201 Oakridge Drive, Suite 200
Fort Collins, CO 80525

Phone: [phone]
Fax: [phone]

Biological Resources Division Staff

Office of the Division Chief

Todd Suess 
Biological Resources Division Chief 
Email Todd 

Marie Felder 
Administrative Support Assistant 
Email Marie 

Kass Bissmeyer 
Program Specialist
Expertise: Connected Conservation, program coordination, policy, facilitation, communications  
Email Kass

Tyler Chisholm
Visual Information Specialist
Expertise: Web, communications, Explore Nature social media channels
Email Tyler

Wildlife Conservation Branch

Brendan Moynahan  
Acting Branch Chief  
Expertise: wildlife population ecology, conservation ecology and planning, ungulate ecology, bison, conservation partnerships, avian ecology  
Email Brendan  
 
Dave Treviño 
Wildlife Biologist 
Expertise: avian & monarch butterfly ecology/conservation, conservation biology, alternative energy production impacts 
Email Dave 

Jennifer Sieracki 
Invasive Animals Program Coordinator 
Expertise: invasive species ecology, spatial modeling, landscape ecology 
Email Jennifer 

Nicole Brandt Turner 
Pathways Biological Science Technician 
Expertise: marine ecology, migratory wildlife, human-wildlife interactions 
Email Nicole 

Lisa Shender, MS, DVM, PhD  
Wildlife Veterinarian 
Expertise: avian, amphibian, and reptile health; wildlife epidemiology 
Email Lisa  

Wildlife Health Branch

Jenny Powers, DVM, PhD 
Branch Chief 
Expertise: Wildlife health and disease, wildlife anesthesia, One Health, interplay between policy and health. 
Email Jenny 

Scott Ratchford 
Wildlife Technician 
Expertise: wildlife capture and handling, wildlife anesthesia, GIS, database management 
Email Scott 

CDR Danielle Buttke, DVM, PhD, MPH, DACVPM 
One Health Coordinator 
Expertise: public health, zoonotic disease, climate change and health 
Email Danielle 

Nathan Galloway, PhD 
Disease Ecologist 
Expertise: wildlife disease, population ecology, population genetics, statistical models, chronic wasting disease, wild sheep respiratory disease. 
Email Nathan 

Laurie Baeten
Wildlife Veterinarian
Expertise:
Email Laurie 

Michelle Verant, DVM, MPH, PhD 
Wildlife Veterinarian 
Expertise: wildlife capture and anesthesia, wildlife mortality investigation, disease surveillance and risk analysis, One Health, science communication 
Email Michelle 

Melanie Woolever 
NPS Contractor  
Expertise: bighorn sheep  
Email Melanie  

Allie Petersen 
Biological Science Technician 
Expertise: animal welfare, wildlife health, IACUC, veterinary diagnostics 
Email Allie 

Jim Pieper 
Servicewide Integrated Pest Management Coordinator 
Expertise: pesticides, integrated pest management, policy,  
Email Jim 

James C Howard IV 
Integrated Pest Management Program Specialist 
Expertise: pesticides, structural pest control, forest health pest 
Email James

Landscape Restoration and Adaptation Branch

Lori Makarick 
Branch Chief 
Expertise: native plant conservation, invasive plant management, forest health, ecological restoration, pollinator habitat stewardship 
Email Lori 

Terri Hogan 
Invasive Plant Program Manager 
Expertise: plant ecology, invasive plant management, rare, at-risk (threatened and endangered) plant species, plant community ecology 
Email Terri 

Gregory E. Eckert, PhD, CERP 
Restoration Ecologist 
Expertise: restoration ecology, soil ecology, rare species management, wildland fire and natural disturbance, native plant materials 
Email Greg 

Erik Jackson 
Data Manager 
Expertise: data management, GIS tools and services, remote sensing, natural resource data analysis and interpretation, modeling 
Email Erik  

Jordan Spaak 
Biologist 
Expertise: livestock/grazing management, rangeland/grassland management, domestic stock and wildlife interactions 
Email Jordan 

Alex Stoneburner 
Biological Science Technician 
Expertise: livestock/grazing management, rangeland/grassland ecology, data management 
Email Alex 

Katharine (Katie) Vinzant
Biologist 
Expertise: Native plant materials, plant ecology, revegetation and restoration, rare plant conservation, botany 
Email Katie