Vivian McPeak is an American peace, social justice activist, cannabis rights activist, and musician. In Seattle, Washington. Mcpeak founded the Peace Heathens in 1988, a Seattle community action group. McPeak and Gary Cooke organized the first Seattle Hempfest in 1991, the 2-day event has grown to become the world's largest cannabis policy reform rally. McPeak, who is director of Hempfest, performed with the rock band Stickerbush in the 1980s.