Kathleen Staks will replace Jeff Ackermann as the executive director of the Colorado Energy Office, Gov. John Hickenlooper announced Tuesday. Hickenlooper appointed Ackermann to fill one of two open slots on the Colorado Public Utilities Commission earlier this month, which created the vacancy at the Colorado Energy Office. Related Articles Gov. John Hickenlooper fills Colorado Public Utilities Commission vacancies Staks is the assistant director for energy and minerals at the Colorado Department of Natural Resources, and has worked on energy development policies across the state. In that role, she worked directly with both conventional and renewable energy producers.