Henri Fayol’s management theory – the foundation of administrative management – offers a timeless framework of 14 principles that continue to shape business leadership today. This foundational model ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

Henry Mintzberg is a Canadian management theorist who focused on what managers actually do at work. He described 10 everyday roles that managers play, grouped into three types: working with people ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced financial consultant. She has a demonstrated ...

This represents a waterfall type of approach to project planning, where one phase flows into the other. It works well for certain industries such as construction and manufacturing, but it is less ...