Ryah Cooley Cole is an award winning writer and a high school English teacher based on the Central Coast of California. She is most interested in bringing diverse stories to her readers and students.

Explore our complete guide to project management methodologies. Discover various approaches, including Agile, Waterfall, Scrum and Lean, and learn how to choose the best methodology for your projects.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Suzanne is a content marketer, writer, and ...