Lyon was born in Newport Beach, California and began dancing at the age of twelve. She studied with Yvonne Mounsey, former principal dancer with the New York City Ballet and Rosemary Valaire formerly of the Royal Ballet.
At age thirteen, she was invited to train at the prestigious Bolshoi Ballet Academy in Moscow, Russia. She was awarded the Friends of Joffrey Scholarship and was the first place winner of the Los Angeles Music Center Spotlight Awards.
At sixteen, Lyon was invited to join the American Ballet Theatre where she toured internationally with the company. She has been a guest artist with the National Ballet in London and the Bavarian National Ballet in Munich and worked with such luminaries as Margot Fonteyn, Mihkail Baryshnikov, and Natalia Makarova, Twyla Tharp and Gelsey Kirkland.
Today, Lyon continues to coach and train dancers all over the world. She is currently the artistic director and founder of Gala de Danza where she gives aspiring ballet dancers a peek at the real thing, in Los Cabos, Mexico.