After helping scale Dell from $100 million to a multi-billion-dollar powerhouse alongside Michael Dell, Joel Kocher thought he had leadership figured out — until success forced him to relearn humility. Now the founder and CEO of Humann, Kocher reveals why adaptability is make-or-break in leadership, especially when transitioning fields. He also shares why he left an early retirement to build a company rooted in purpose, not hype — and how walking your talk 100% of the time is the only way to truly lead by example.