Jenna Miscavige Hill is an American author, known for her memoir "Beyond Belief: My Secret Life Inside Scientology and My Harrowing Escape," where she chronicles her experiences growing up in the Church of Scientology and her eventual departure. Born in 1984 into a family deeply embedded in the church, she is the niece of Scientology leader David Miscavige. Jenna co-founded the website ExScientologyKids.com, providing support and resources for those wishing to leave similar environments. Her work as an author and activist continues to illuminate the challenges of growing up inside a secretive organization, advocating for freedom and understanding.