LinkedIn is a good place to start. Curriculum vitaes if you can find them. Asking around. Some CEOs of smaller companies than WD-40, typically startups with a y

LinkedIn is a good place to start. Curriculum vitaes if you can find them. Asking around. Some CEOs of smaller companies than WD-40, typically startups with a younger age group, give them out in the About page of their website. Sometimes you can just guess (e.g. jeff@ some large used book company .com). Every time you discover one of these email addresses, you think "I could have guessed that on my first try."