Why Your Best Salesperson Makes Your Worst Manager

Your best salesperson just got promoted to manager. Here's why that's often a mistake.In this solo episode, Jason Baumgarten unpacks the Peter Principle, the half-century-old idea that people in a hierarchy rise to their level of incompetence, and the 2019 study that proved it's not just a joke. Drawing on research covering tens of thousands of salespeople across more than 130 companies, Jason breaks down why raw performance predicts promotion but not management success, what signal actually does predict good leadership, and what companies and individuals can do to stop rewarding talent with the wrong job.Key takeaways:The Peter Principle started as satire in 1969 and was later tested with real dataCompanies reliably promote their best individual performers into managementHigher individual sales performance actually predicted worse performance as a managerTeamwork and lead-sharing, not solo output, predicted who became a good managerPromotion works as both a matching decision and a motivational carrot, and those two goals conflictDual-career ladders let top performers advance without moving into managementRewards should be separated from roles: pay and recognition for performance, promotion for leadership fitSuccession decisions should be judged against the next job, not the one someone already masteredIndividuals should ask whether they want the job itself or just the recognition that comes with itConnect with Jason: https://www.linkedin.com/in/jasonbaumgarten/Email the show here: fithappens.fm00:00 Introduction to Fit Happens00:17 The best salesperson gets promoted01:08 Why companies do this on purpose01:40 The Peter Principle, explained02:22 The famous punchline03:10 Testing the joke with real data03:36 The 2019 study, explained04:06 Do companies promote their best sellers?04:46 The harder second question05:13 Star sellers, weaker managers06:21 The signal that actually predicts success07:06 Why smart companies keep doing this07:42 Promotion as matching versus motivation08:21 The carrot problem in sales teams09:33 Beyond sales: engineers, teachers, partners10:24 Craft expertise versus leadership expertise11:20 Fix one: build a dual ladder12:24 Fix two: separate reward from role12:57 Fix three: assess for the next job13:44 Same title, different job14:03 Signals that predict promotability14:29 Advice if you're offered the promotion15:17 Promotion as trophy versus match15:48 The one question to ask yourself16:21 Closing thoughts