In the interview for a board seat the panel will question you about your board's preparedness and the ways in which you could add value to their business. The majority of boards are looking for candidates with a high level of expertise in their field with a wide-ranging perspective and specialization that is in line with the skills of existing board members.
To prove the value of this You should be prepared to demonstrate examples of your strategic decisions in previous roles at the board or committee level. You should be prepared to be asked questions about your ethics and governance.
Additionally the panel may ask you about your views regarding the company's strategy and its position in the market as well as your opinions regarding the latest trends in the market. Similar to the other questions, you must be prepared to answer these in a concise and compelling manner that provides the interviewers with an accurate representation of your thinking.
Interviewers are likely to ask you about your leadership approach, how you interact with others in a team setting and whether there are any possible conflicts of interest you could face in the boardroom. You should be aware of all possible conflicts and be able to discuss how you will handle them in case in the event of an emergency.
Be prepared for a lengthy vetting process. Director searches can be longer than those for CEOs and the board of directors will typically be moving in a deliberate continuous manner.