Daniel Ryan

Daniel Ryan is a wildlife biologist with the U.S. National Park Service (NPS). With 17 years of experience in the conservation biology field focusing on endangered species recovery, invasive wildlife management, and science communication, he is one of the NPS’s leaders in highlighting the shared health of our planet. Dan’s current focus on reducing the impacts of lead ingestion on wildlife and humans is rooted in One Health tenets, emphasizing the interconnected health of humans, wildlife, and our environment. Dan leads the NPS’s efforts in developing and implementing outreach efforts and targeted health communication with hunters and ranchers to promote the switch to lead-free ammunition and reduce inadvertent lead consumption. Dan volunteers as a hunter education instructor with the California Department of Fish and Wildlife.

The U.S. National Park Service (NPS) preserves unimpaired the natural and cultural resources of the National Park System for the enjoyment, education, and inspiration of this and future generations. It champions the benefits of natural and cultural resource conservation and outdoor recreation. It protects and preserves over 85 million acres and welcomes over 318 million visitors annually. This work is vital to facilitating connections to nature, public understanding of environmental issues, and developing appreciation for the shared health of all life on earth. The NPS has existed for over a century with the mission to protect special places and encourage meaningful connections. It is a reputable authority trusted to provide accurate scientific analysis of environmental health and provide actionable behaviors to improve these issues.