Park Rangers
2022 brought Park Rangers to our local parks, trails and open spaces.
Park Ranger Program Goals
- Educate parks and trails users
- Provide environmental education and outreach
- Encourage resource protection
- Promote outreach of volunteerism
- Increase visitor safety through enforcement of park property ordinances, rules and regulations
- Create outdoor stewards to our parks and trails
Meet the Park Rangers
Rusty Horton
Park Ranger Supervisor
Rusty grew up in Chicago and has lived in the Denver metro area for 21 years. Rusty recently left Lakewood Police Department after 20 years on patrol. While not supervising the Commerce City rangers, Rusty is gardening, golfing, skiing, and spending time with family and friends.
Rachel Holland
Commerce City Senior Park Ranger
Rachel is originally from Holliston, Massachusetts and she has lived in Colorado since 2018. When she is not working, Rachel can be found hiking, camping, or horseback riding. Most recently, Rachel has worked with Boulder County Parks and Open Space as a ranger.
Hadiel Renteria
Commerce City Park Ranger
Hadiel grew up in South Georgia and now calls Colorado home. The outdoor activities that he enjoys the most are skiing, hiking, and camping. He also enjoys traveling, going to concerts, and playing soccer. Before getting hired on with Commerce City, Hadiel worked with Colorado Parks and Wildlife at Chatfield State Park and is in the Park Ranger program at Red Rocks Community College.
Nate Mandril
Commerce City Park Ranger
Nate is a Colorado native, born and raised in Wheatridge. Prior to becoming a Commerce City Park Ranger, Nate worked for the Colorado Department of Public Safety. He plays drums and helps out at a bulldog rescue (along with his bulldog buddy, Lunchbox).
Molly Peiffer
Commerce City Park Ranger
Molly grew up in Iowa but now calls Colorado home. Before moving to Colorado, Molly worked for the Department of Corrections as an Acute Mental Health Officer and served as a Crisis Team Negotiator for the IODC for five years. Molly has also done previous work as a Project Manager for HGTV home renovations shows and worked on the Seattle Seahawks security team for the 2024 NFL season. In her free time, Molly loves road trips, being outdoors and watching sports.
Brett Navarro
Commerce City Park Ranger
Brett is originally from Northern California. Brett was an Animal Service Officer for the County of Marin in California, a Federal Park Ranger in Utah, and a San Francisco Park Ranger. On his off time, he enjoys outdoor activities such as overlanding and hiking with his wife and two pups, Ansel and Link.