Frank has worked in natural resource management for over 45 years in a variety of field, staff and leadership roles. He retired from the U.S. Forest Service in 2024 as Regional Forester for the Rocky Mountain Region. He provided executive leadership for over 2,000 permanent and seasonal employees with a budget of over $200 million across 22 million acres in 17 national forests and 7 national grasslands in Colorado, Wyoming, South Dakota, Nebraska, and Kansas.

He worked at every level of the Forest Service, serving on five ranger districts, seven national forests, three regional offices and the national headquarters. He previously served as Acting Associate Deputy Chief for the 193 million acre National Forest System, Acting Regional Forester in the Intermountain Region, Deputy Regional Forester and Director of Forest Management in the Southern Region, and Acting National Forest Management Director. He also served as Legislative Specialist in the Washington Office, Forest Supervisor on the Daniel Boone National Forest, and District Ranger on the George Washington and Jefferson National Forests. His early career highlights include work as a Service Forester at the Ohio Division of Forestry, as the wilderness management specialist at the Wilderness Society in Washington, DC, and as a wilderness ranger on the Shoshone National Forest.

In addition to consulting, Frank serves as a Leadership Advisor for Shared Stewardship for the Pacific Northwest, Pacific Southwest and Alaska Regions of the Forest Service. He serves on the Board of Directors of the National Association of Forest Service Retirees, the National Museum of Forest Service History, and the Rocky Mountaineers. Frank and his wife Jan reside in Littleton, Colorado. They have two grown sons, a daughter-in-law, and a grandson.