How do groups shape our identity? Founder of Fit Across Cultures and Cultural Intelligence expert, Susan Salzbrenner discusses the impact of groups on social identity. Do you mock people that are showing up in their favourite team jersey the day after a victory? Or those with a bunch of bumper stickers telling you all you need to know about their life? Think twice next time! Did you know that cheering publicly for a team is a great boost for your self-esteem? …Well, given the fact…