Michael Patrick Cullinane is Professor of History and Lowman Walton Chair of Theodore Roosevelt Studies at Dickinson State University in North Dakota. His award-winning research focuses on the Gilded Age and Progressive Era, and specifically presidential history. He has published widely on these topics, earning a national and international reputation. Theodore Roosevelt's Ghost: The History and Memory of an American Icon (2017) won the Theodore Roosevelt Book Prize and Remembering Theodore Roosevelt (2021) uncovered never-before-heard interviews with Roosevelt's friends and family. He has published three other books, fifteen articles, several book chapters, and edited collections on the history of the United States. His work has appeared in top-ranked academic journals and within the last decade he has delivered more than fifty papers at conferences, symposiums, and workshops all over the world. He is the host of the popular podcast The Gilded Age and Progressive Era, the public historian of the Theodore Roosevelt Association, and a historical consultant for the Theodore Roosevelt and Woodrow Wilson presidential libraries. He has written for the Washington Post, The Hill, TIME, and Smithsonian Magazine,among others. He lives in Dickinson, ND.

Michael J. Sacopulos is publisher of BWD (Bird Watcher's Digest), the oldest and largest privately held publication for North American Birdwatchers. He serves on the board of directors for the Roger Tory Peterson Institute and is a trustee of the Theodore Roosevelt Association. He is also a practicing attorney specializing in healthcare law. Michael won the Edward B. Stevens Article of the Year Award for MGMA. He has written for Wall Street Journal, Forbes, Bloomberg, and many publications for the medical profession. He is a frequent national speaker. In 2018, Michael published Tweets, Likes, and Liabilities: Online and Electronic Risk to the Healthcare Professional. He also serves as host of the American Association for Physician Leadership Publishing's SoundPractice podcast, which focuses on the business of medicine. Michael attended Harvard College, London School of Economics, and Indiana University/Purdue University School of Law. He lives in Terre Haute, IN.