04/07/2026
Siena Castellon is an autism and neurodiversity advocate working to empower young people around the world. She founded Quantum Leap Mentoring, a program that connects neurodivergent youth with mentors who understand their experiences. She is also the author of The Spectrum Girl's Survival Guide: How to Grow Up Awesome and Autistic, a guide that helps autistic girls embrace their identity and navigate life with confidence.