Robinhood is known for propagating meme-stock mania, making its founders billionaires, and changing how Americans invest. But a model of corporate governance and succession planning? Well, add it to the list. Robinhood’s carefully planned CFO transition underscores how far the company has come—from a scrappy startup navigating hyper-growth and market turbulence to an S&P 500 firm focused on durable, disciplined execution. The Menlo Park, Calif.–based fintech and trading platform, which offers traditional ...