Diane Grob Schmidt (born November 1945) is an American chemist, who was the executive at Procter & Gamble Co. in Cincinnati, Ohio, from 1981 to 2014.

[3] As of 2022, she was serving as the chair of the board of visitors for the department of chemistry at the University of Tennessee, Knoxville.

[4] Diane Grob Schmidt grew up in Lorain, Ohio, and Chattanooga, Tennessee.

[1] Diane Grob Schmidt joined Procter & Gamble Co. in Cincinnati, Ohio, in 1981 and retired in 2014.

She led the team of scientists at Procter & Gamble who developed Pert Plus, the first combined shampoo and conditioner.