Extra: Jack Welch Full Interview (Ep. 326)

Stephen Dubner's conversation with the former longtime C.E.O. of General Electric, recorded for the Freakonomics Radio series “The Secret Life of a C.E.O.”

Extra: Satya Nadella Full Interview (Ep. 324)

Stephen Dubner's conversation with the C.E.O. of Microsoft, recorded for the Freakonomics Radio series “The Secret Life of a C.E.O.”

Extra: David Rubenstein Full Interview (Ep. 322)

Stephen Dubner's conversation with the co-founder and longtime co-C.E.O. of the Carlyle Group, recorded for the Freakonomics Radio series “The Secret Life of a C.E.O.”

Extra: Richard Branson Full Interview (Ep. 321)

Stephen Dubner's conversation with the Virgin Group founder, recorded for the Freakonomics Radio series “The Secret Life of a C.E.O.”