John St. of Toronto has promoted Nellie Kim and Chris Hirsch to the position of creative director. Outgoing creative directors Angus Tucker and Stephen Jurisic remain partners and executive creative directors at the firm. Kim was most recently an associate creative director and art director. Prior to joining the agency in 2005, she was an art director at Grip. Hirsch was previously an associate creative director and copywriter. Before joining John St. in 2005, he was a copywriter at Publicis.