Ken Griffin says if you can’t read a book about your profession it’s time to pick a new career

Ken Griffin, Founder and C.E.O. of Citadel (Credit: Michael M. Santiago—Getty Images)

• Ken Griffin, founder and CEO of Citadel, emphasizes that lifelong learning is essential for success, urging young people in particular to always keep expanding their knowledge and to be open to changing career paths if their current field no longer interests them. He recommends reading widely within your domain, highlights the value of diverse experiences for leadership, and specifically endorses Good to Great by Jim Collins as a must-read for understanding effective team-building and business management.

If you want to achieve billionaire Ken Griffin’s level of success, his message is clear: Never stop learning.