Urschel involved the crowd in his explanation of linear systems. He used an example problem of finding the ages of two ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Amy Soricelli has over 40 years working with job candidates and has honed the art of the job ...

Jennifer Simonson is a business journalist with a decade of experience covering entrepreneurship and small business. Drawing on her background as a founder of multiple startups, she writes for Forbes ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Amy is an ACA and the CEO and founder of OnPoint Learning, a financial training company delivering training to ...