Ginna Sulcer-Marston (born Ginna Sulcer February 19, 1958) is an American advertising executive who has worked on anti-drug public service advertising campaigns at the Partnership for a Drug Free America, a nonprofit consortium of advertising professionals which ran targeted media campaigns to unsell illegal drugs. She was a founder of the organization in 1986. As research director, she studied the consumer motivations of drug users by means of marketing research methods. She has served as the organization's spokesperson.