National Leadership
Past Presidents
Since its founding in 1876, MTNA has been led by a group of devoted individuals who were elected by the membership to serve as national presidents of the association. In honor of their service, their names and terms of office may be found here.
Living Past Presidents
| 2023–2025 | Peter Mack, NCTM Seattle, Washington |
| 2021–2023 | Karen Thickstun, NCTM Nashville, Indiana |
| 2019–2021 | Martha Hilley, NCTM Austin, Texas |
| 2017–2019 | Scott McBride Smith, NCTM Lawrence, Kansas |
| 2015–2017 | Rebecca Grooms Johnson, NCTM Columbus, Ohio |
| 2013–2015 | Kenneth J. Christensen, NCTM Bozeman, Montana |
| 2011–2013 | Benjamin D. Caton, NCTM Johnson City, Tennessee |
| 2009–2011 | Ann Gipson, NCTM Aledo, Texas |
| 2007–2009 | Gail Berenson, NCTM University Park, Florida |
| 2005–2007 | Paul Stewart, NCTM Greensboro, North Carolina |
| 2003–2005 | Phyllis Pieffer, NCTM Evergreen, Colorado |
| 1997–1999 | L. Rexford Whiddon, NCTM Columbus, Georgia |
MTNA Past Presidents
Click the button below to access the full list of MTNA Past Presidents.