What it argues
Mark Roberge was HubSpot's first sales hire and eventually its Chief Revenue Officer, scaling the company from zero to over $100 million in recurring revenue. The Sales Acceleration Formula is his account of how he approached sales as an engineering problem — hiring, training, onboarding, managing, and compensating by metrics rather than intuition, and measuring everything to find what actually produced predictable revenue growth.
Roberge's starting point is that most early-stage sales hiring is guesswork. Founders or early sales leaders hire people who remind them of successful salespeople they've known, or who interview well, without knowing which traits actually predict success in their specific context. His approach was to define a hiring formula by identifying the attributes that correlated with performance at HubSpot — curiosity, intelligence, work ethic, coachability, and prior success — and then building an interview and scoring process to assess them consistently across candidates.
What it gets right
- 1.
Hiring the right salespeople is the highest-leverage activity in sales leadership. A wrong hire costs not just salary but sales cycle time, management attention, and team morale.
- 2.
The hiring formula should be empirically derived from your best performers, not borrowed from a general sales playbook. The traits that predict success at one company often don't transfer to another.
- 3.
Time to full productivity is a measurable, optimizable number. Every week a new rep spends below quota represents lost revenue that better onboarding and training could have recovered.
What it covers
Who wrote it
Mark Roberge is a senior lecturer at Harvard Business School and a serial entrepreneur and investor. He was the fourth employee and Chief Revenue Officer at HubSpot, where he was responsible for scaling the company's sales team from zero to over $100 million in recurring revenue and 450 salespeople. He holds a degree in mechanical engineering from Lehigh University, which informs his data-driven approach to sales management. The Sales Acceleration Formula, published in 2015, draws directly from his experience building HubSpot's revenue engine.