Jessie Louise Mark graduated from Duke University in 2011 where she majored in History and minored in Music. She is currently pursuing an MBA at the University of Michigan's Ross School of Business. During her four years as a member and director of Duke’s award-winning all-female a cappella group Lady Blue, Jessie developed a love for music theory and a cappella education. She has taught beginner music theory for vocal arranging for several years at a cappella festivals around the country and now serves the Scholastic Festival Producer of The Betsy's A Cappella Festival and Education Coordinator for the Los Angeles A Cappella Festival. Jessie sings and beatboxes with VXN, a bicoastal all-female vocal quintet, and Ross’s house rock band, Risky Business.