Denise Dresser

The Advertising Council, Inc. promotes public service campaigns. It carries out pro bono ad campaigns on behalf of both government and private organizations. The company campaigns on children's issues, health, community, environment and family matters. The council relies on volunteer efforts from advertising firms. The Advertising Council was founded in 1942 and is headquartered in New York, NY.

Slack Technologies, Inc. engages in the development and provision of channels-based messaging platform. Its product is used to review job candidates, coordinate election coverage, diagnose network problems, negotiate budgets, plan marketing campaigns, approve menus, and organize disaster response teams. The company was founded by Daniel Stewart Butterfield, Bradley J. Horowitz, Eric Costello, Callum James Henderson-Begg, and Serguei Mourachov in 2009 and is headquartered in San Francisco, CA.