Going from corporate high-flyer to leading Singapore's only national registry of volunteer marrow donors was a drastic change for Mr Charles Loh. Nearly eight years on, he reflects on how it has changed his understanding of leadership. In my long "rojak" of a career spanning over 35 years, I have worn many hats. I’ve served in the Singapore Armed Forces, worked in listed family businesses, handled management consulting at two of the Big Four consultancies, and later joined a company linked to