This as-told-to essay is based on a conversation with Robert Rosenkranz, the 83-year-old chairman of Delphi Capital Management, about his daily routine. It's been edited for length and clarity. I started my career as an economist and tax lawyer before founding my private equity firm, Delphi Capital Management . From 1987 to 2018, I was the CEO, managing over $40 billion in assets. At 83, I find it hard to retire successfully. Part of what made me successful in my career is that I enjoyed the