Your personal energy levels determine it all, says leadership and business coach Colin Hall - who has over 60 years of business experience and who runs the 'Learning to Lead' programme. "If your energy's low, your brain is not fully functional," he tells 'DrD'. Colin is the ex-CEO of WoolTru, and the former MD of South African Breweries. He believes that all effectiveness is related to energy. So, how do we charge our batteries in a sustainable way, especially when your energy is your most precious resource, while negative energy is your heaviest burden? In this podcast, you'll find practical tips on how to charge your battery.