Tyler Adwen Tumminia is an American baseball executive.
Tumminia's father, John Tumminia, worked as a scout for the Chicago White Sox. He named her after Ty Cobb.
Tumminia graduated from Mount Saint Mary College. She joined the Goldklang Group, which operates the Charleston RiverDogs, Fort Myers Miracle, Hudson Valley Renegades, St. Paul Saints, and Pittsfield Suns, in 2004. She was promoted to senior vice president in February 2011. In October 2011, she graduated from Major League Baseball's Scout Development Program.
Tumminia married Ben Cherington on April 6, 2012, at Brooklyn Borough Hall. The couple has two daughters: Adwen Hudson (born 2012) and Harper Charles.