On! Achieving Excellence in Leadership draws on John Weston's multifaceted career to help aspiring leaders find direction. John describes eight core values essential to establishing a worthy legacy. Along the way, he examines how well the major Canadian and American political figures of our time, including Stephen Harper, Justin Trudeau, Barack Obama, Hillary Clinton and Donald Trump, stack up. Combining personal experience with the advice and examples of philosophers, mentors and colleagues, John offers a guide to reaching beyond your immediate environments-family, the community, and even the country-to promote excellence in yourself and others.