Donna Rockwell, Psy.D. Dr. Donna Rockwell, Psy.D., L.P. is a licensed clinical psychologist, adjunct faculty member, community outreach worker, columnist, and mindfulness meditation teacher. Dr. Rockwell specializes in both mindfulness and celebrity mental health. She works with clients in her private practice and teaches public meditation classes. You can watch Dr. Rockwell on YouTube or read more of her blogs at The New Existentialists.