According to her biographical profile she started out as a reporter and newspaper editor before entering public relations. "Since founding JohnstonWells more than 30 years ago, Johnston has continued to establish relationships with Denver's most influential business leaders, government officials, key nonprofit organizations and local media," her biographical note states.
She is a member of the Public Relations Society of America (PRSA) College of Fellows a founding member and member of the board of the Council of Public Relations Firms, a national trade organization for public relations firms.
"She received the Colorado Chapter of PRSA's 1993 Lifetime Achievement Award and the 'Woman of Achievement' Award from Women in Communications in 1997. Johnston was president of the Colorado Chapter of PRSA in 1979," her biographical note states. 
- "Team leaders: Gwinavere Johnston President and CEO", undated, accessed May 2004.