Brand ambassador Event Groundswell group Austin Convention Center, East Cesar Chavez Street, Austin, TX, United States Brand ambassadors needed for SXSW trade show. Need for tomorrow (Monday) and Tuesday 9a-6p. Must speak by phone tonight. Noel 917-405-3894 Brand ambassador Event Groundswell group Austin convention center Brand ambassadors needed to start tomorrow for SXSW trade show for real estate company. Must be personable.