I always advise aspiring and serving board members to continually update their board resumes. Your board resume is different from your career resume. Rather than highlighting your professional roles and accomplishments, it showcases the unique value proposition, skills, expertise and industry knowledge that you bring to a board.
I wrote an FAQ post on the Women Get On Board blog answering the most commonly asked questions about board resumes. Read it here for more: https://womengetonboard.ca/building-your-board-resume-faqs/