With nearly two decades of retail management and project management experience, Brett Day can simplify complex traditional and Agile project management philosophies and methodologies and can explain ...

Twenty years after the introduction of the theory, we revisit what it does—and doesn’t—explain. by Clayton M. Christensen, Michael E. Raynor and Rory McDonald Please enjoy this HBR Classic. Clayton M.

Warren Buffett became world-famous by buying undervalued companies and holding them long-term. Carl Icahn's reputation stems from improving company value through active management intervention. John ...

Mallory Creveling is a health and fitness writer and ACE-certified personal trainer. Her work appears across several national publications, including SELF, Prevention, Runners World, and Men's Journal ...