Similar to the whole "pre-nup" debate, nobody likes to address termination of the employment relationship when they make a new hire (especially a senior one).  However, there always seems to be a "mad dash" when notice is given, to ensure that the soon-to-be former employer is properly protected contractually. Here is my take on some of the issues that should be considered when entering into the employment contract, to avoid this happening  http://leman.ie/how-to-prepare-for-when-hawks-fly-the-coop