Burson-Marsteller has named Cheryl Heinonen and Nathan Ballard co-market leaders for Northern California. They will be responsible for leading the San Francisco team and growing the B-M business in that area. Ballard, MD in the media practice and the issues and crisis group, and Heinonen, MD of the US corporate practice, will retain those roles as well. Jennifer Graham Clary, who served as interim market leader, will continue as global technology practice chair. Both execs joined the firm in early 2010. They will report to the firm’s US president and CEO Patrick Ford.