Ron Ashkenas Contributor

Unfortunately not everyone puts as much thought into the process of leaving as our colleague. In fact many just gather their belongings, take their severance package, say a cursory goodbye, and slam the door. This is particularly prevalent in the financial services and investment industries where senior people bolt for competitors, taking clients and portfolios with them. But it happens in other sectors as well — often prompting a scramble to reassign work and salvage key relationships.

http://www.forbes.com/sites/ronashkenas/2015/02/11/how-to-leave-a-job-gracefully-last-impressions-can-influence-your-career/