“There is almost a 60-year age difference between Miley Cyrus and Jane Fonda, and one day I trained them both. I would say I trained Jane in her 70s even harder than I did Miley, who's a teenager. I think, as you become older, it's not about working harder: it's about working smarter.”

Canadian personal trainer, motivational speaker, and author

Harley Samuel Pasternak is a Canadian personal trainer, motivational speaker, and author. He is known for working with a range of celebrity clients and for co-hosting ABC's 2012 daytime talk show, The Revolution. His public profile is built around fitness and motivation. As a trainer, he has worked with well-known clients, and as an author and speaker he focuses on health, discipline, and practical advice for living well.