His interests in geography encompass political and economic concerns, and he has authored and co-authored books and articles on many topics including coastal defense, naval warfare, and the shipbuilding industry. He has been published in several journals, primarily, Navy International. Dr. Lindberg is a lecturer and presenter at workshops and conferences throughout the Midwest and east coast. His earlier experiences include working as a ranger in Yellowstone National Park, law enforcement, and traveling throughout the western United States and Canada. He has lived and studied in Winnipeg and New Foundland.