Jamie Dimon was fired from Citigroup at 42 — he turned a $20 billion bank into America's most profitable

Jamie Dimon's journey from being fired at 42 to leading America's most profitable bank is a tale of resilience. After being asked to resign from Citigroup in 1998, Dimon faced a period of uncertainty. He considered various career paths, including teaching, starting his own bank, and even retirement. However, he eventually joined Bank One, which was valued at $20 billion at the time.

Dimon poured $60 million of his own money into the bank's stock, vowing to ride it either to failure or success. Under his leadership, Bank One transformed into a profitable entity before merging with JPMorgan Chase in 2004. This merger cemented Dimon's position as a key figure, eventually leading him to become the CEO of JPMorgan Chase in 2005.