By Stephanie Williams, Client Manager, AtkinsRéalis Ltd Ever dismissed a colleague’s congratulations with “I was just lucky”? Been afraid to ask for help, or pushed beyond healthy limits at work to ‘prove’ yourself? You may have imposter syndrome – defined by the OED as ‘the persistent inability to believe that one's success is deserved or has been legitimately achieved as a result of one's own efforts or skills’.` You’re not alone.