Answer extracted from the Founders podcast — listen to the full episode below.
How picking up the phone shaped a financial titan's early career?
Michael Bloomberg learned the meta skill of sales during his years at Salomon Brothers—the art of picking up the telephone and talking directly to customers. He mastered presenting everything he had and highlighting whatever facts enabled customers to convince themselves they were getting a good deal, a technique he would later apply to building Bloomberg itself.
The classroom of low-status trading work
Bloomberg's real education didn't come from Harvard Business School case studies. It came from 15 years of 12-hour days and six-day weeks on the trading floor at Salomon Brothers, starting in 1966 at age 24 as a clerk counting securities in an air-conditioned bank vault. This was not glamorous work—it was the foundation.
What Bloomberg discovered through this grind was that sales is fundamentally about confidence and clarity. Great salespeople don't hide their product or hide their shortcomings; they present everything they have and let the customer's own logic do the convincing. He learned to call customers directly, to speak plainly, and to let the facts speak for themselves. It was a skill most MBA graduates never touch.
Bloomberg rose from that vault to become a close associate of managing partner Billy Salomon by his mid-twenties, but he never forgot the value of that direct contact with customers. As he describes in the episode, this wasn't theory—it was practiced daily on Wall Street during the era when personal relationships and honest communication still moved markets.
The same skill, applied to building a company
When Bloomberg was terminated from Salomon Brothers at age 39 following the firm's sale—receiving $10 million in compensation—he had one irreplaceable asset: he knew how to sell. He understood that the customer's conviction comes from facts, not from pitch.
He took that $10 million and started Bloomberg with a clear mission: present powerful information to traders and let them see for themselves why they needed it. He didn't invent a new sales technique for his company; he applied the same principle he'd learned on the Salomon Brothers trading floor. The terminal sold itself once customers understood what they could do with it. Bloomberg's biography reveals how that discipline shaped his entire business philosophy.
"The more you work, the better you do. It's that simple. I've always outworked the other person."
Michael Bloomberg — Founder and Owner of Bloomberg. Bloomberg spent 15 years at Salomon Brothers, where he started as a clerk counting securities in 1966 at age 24 and became a close associate of managing partner Billy Salomon. After being terminated at age 39 with $10 million in compensation, he built Bloomberg into one of the most valuable privately held companies in the world within 15 years.
One detail that surfaces in the full conversation is Bloomberg's account of his first salary—$9,000 a year at Salomon Brothers in 1966, while Goldman Sachs had offered him $14,000. He chose the smaller offer because he knew Salomon Brothers was the better training ground. That choice reflects the same mentality: the skill matters more than the immediate paycheck.
Key takeaways
- Sales is not manipulation—it's presenting facts and letting the customer's own logic create conviction.
- Direct customer contact and the telephone were non-negotiable tools in Bloomberg's early career at Salomon Brothers.
- The skill of honest, fact-based persuasion transferred directly from trading to entrepreneurship when he built Bloomberg.
- Low-status work on the trading floor taught Bloomberg more than any business school case study could.