Husys Consulting identifies 9 common mistakes made when hiring a CEO: 1) Being too rigid on salary and failing to negotiate non-cash compensation. 2) Not creating a proper job description. 3) Assuming success in one company guarantees success elsewhere. 4) Overlooking whether a candidate's personality is a good fit. 5) Rushing the hiring decision. 6) Not considering what skills are needed based on the company's current growth stage. 7) Failing to effectively sell the company to candidates. 8) Only hiring candidates similar to existing skills and personalities. 9) Not providing proper onboarding support for the new CEO.