Lisa McInnes-Smith: on surviving Year 12, keeping your word, and learning that you really can trust God.

Lisa has written seven best-selling books – and three duds, as she cheerfully admits - and is an internationally known speaker at schools, conferences and business events. She grew up in a family of tennis professionals, surrounded by high achievers from all over the world. At 26, Lisa set her own goal: to positively affect the lives of one million Australian teenagers. It was a goal that was to change her life. For the next eight years, Lisa travelled the country speaking in schools and to youth groups. Parents of those young people, also inspired by what they heard, invited Lisa to speak in their places of business, establishing her as an inspirational corporate speaker. She's the only person outside North America to be inducted into the International Speakers Hall of Fame.

Lisa was born with her left eye closed, went through many surgical procedures in her early years and, unsurprisingly, was often cruelly teased throughout her schooldays. Her conversation with Tim Argall begins in Year 12.