Years ago, executive coaching was stigmatized as “remedial help for underperformers.” More recently, it’s transformed into an elite, high-cost activity, often reserved for the highest-status executives. But in both cases — whether helping the worst or the best performers — executive coaching has been inherently small scale, due to its bespoke, one-on-one nature. Organizations have increasingly embraced the idea of internal leaders providing more coaching to their direct reports.