Lisa R. Young, PhD, RDN, is an inter­na­tion­al­ly rec­og­nized, nutri­tion­ist, por­tion size expert, and adjunct pro­fes­sor of nutri­tion at New York Uni­ver­si­ty. Dr. Young is the author of Final­ly Full Final­ly Slim, and The Por­tion Teller Plan, and is reg­u­lar­ly called upon by major media out­lets as an author­i­ty on nutri­tion and health. Dr. Young is a dynam­ic speak­er who enjoys eat­ing, swim­ming, and inspir­ing her com­mu­ni­ty to make healthy food and lifestyle choices.