Garry Adelman is the Director of History and Education for the Civil War Trust.  He earned his B.A. in business from Michigan State University and his M.A. in history at Shippensburg University of Pennsylvania.

He is the author, co-author or editor of Manassas Battlefields Then & Now (2011), The Civil War 150 (2011) Antietam: Then & Now (2005), The Myth of Little Round Top (2003), The Early Gettysburg Battlefield (2001), Little Round Top: A Detailed Tour Guide (2000), and Devil's Den: A History and Guide (1997) as well as nine Civil War image booklets. He has published articles in The Gettysburg Magazine and Hallowed Ground and conceived and drafted the text for wayside exhibits at the Third Winchester, First Day at Chancellorsville, Mine Run and Slaughter Pen Farm battlefields.

A frequent lecturer at Civil War Round Tables, he has also appeared as a speaker on C-Span, Pennsylvania Cable Network and on HISTORY where he was a chief consultant and talking head on the Emmy Award-winning show Gettysburg (2011).

He is the vice president of the Center for Civil War Photography and is a Licensed Battlefield Guide at Gettysburg.