David Pietrusza (born November 22, 1949 in Amsterdam, New York) is an American author and historian. Career David Pietrusza has produced a number of critically acclaimed works concerning 20th-century American history, including five volumes ("1920," "1960," "1948," "1932," and "1936: Roosevelt Sweeps Nation") on presidential electoral history. He is also an expert on the 1920s and on the presidency of Calvin Coolidge and the career of Charles Evans Hughes. He has also served as a ghostwriter or "book doctor" for several successful books, including various New York Times and Amazon bestsellers. As a noted presidential scholar, Pietrusza has been selected to serve on C-SPAN's "Historians Survey on Presidential Leadership" and the Siena College Research Institute (SRI) Survey of United States Presidents and on the C-SPAN/Siena College Study of The First Ladies of The United States. He serves on the National Advisory Board of the Calvin Coolidge Presidential Foundation and previously on the Foundation's Board of Trustees. Pietrusza holds both bachelor's and master's degrees in history from the University at Albany. He has assisted in teaching seminars at the University of Chicago Institute of Politics (David Axelrod, director) and at the William F. Buckley, Jr. Program at Yale and has served as a guest lecturer at Fordham University, The King's College (New York City), Winthrop University, and Southeast Missouri State University. He has spoken at the John F. Kennedy, Harry S. Truman, Franklin D. Roosevelt, and Calvin Coolidge presidential libraries and museums, as well as at various universities, libraries, museums (including the Chicago History Museum, Dallas' Sixth Floor Museum, Palm Beach's Flagler Museum, and Reno's National Automobile Museum), and festivals. He has keynoted the annual birthday ceremonies at the graves of presidents Calvin Coolidge and Chester Alan Arthur and spoken at Wilton, New York's Grant Cottage, scene of the death of President Ulysses S. Grant and via Zoom at Buffalo's Theodore Roosevelt Inaugural National Historic Site. Pietrusza's book "Rothstein" has been optioned on several occasions for film, television, or stage adaptation. In July 2018, Charles Matthau of the Matthau Organization optioned Pietrusza's "1920: The Year of the Six Presidents" for adaptation into a six-part television series. The project remains in development. He has served on the City Council in Amsterdam, New York, as Vice-President of the Fulton-Montgomery Community College Foundation, and as Public Information Officer for the New York State Governor's Office of Regulatory Reform and the New York State Office