Contact Us

Caught mid-flail, this cub looks like it is waving at somebody
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: 970-225-3505
Fax: 970-225-3585

Biological Resources Division Staff

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

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  

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
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

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 
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
Expertise: Native plant materials, plant ecology, revegetation and restoration, rare plant conservation, botany 
Email Katie  

Last updated: March 14, 2022