Duke joined Davenport & Company in 1993, is a Managing Director, and serves on the Davenport Board of Directors. He is Series 7, 24, 63 and 65 registered with FINRA.

Duke graduated from University of Virginia with a degree in Arts & Sciences and earned an MBA from the University of Richmond. He volunteers for several youth sports associations including Tuckahoe Little League, Western Wildcat Youth Football, Rockit Sports, and is active in Godwin High School and Benedictine College Prep. He is a member and past board member of Hermitage Country Club. Duke and his wife, Lee, spend their free time supporting their three children, Henry, Mattie and Fred.