Dianne is a graduate of Duke University and Yale Law School. During her career, she served as an attorney, law professor, author and publisher. Originally from Mississippi, Dianne has Southern roots; however, once her husband, Mark Brinson, introduced her to California, and Sonoma County in particular, she was sold. Moving from the San Francisco Peninsula, Dianne and Mark made their permanent move to Sonoma County in 2020. Diane joined the Sonoma Land Trust board in 2021. She has also served on the board of the Intellectual Property Section of the California Bar and the Friends of the Portola Valley Library.