Groq's founder said that he set his company back three to four years because of leadership mistakes. Bloomberg/Getty Images Jonathan Ross said his leadership mistake cost Groq several years. The founder said his leadership mistakes included hiring issues and excessive delegation. The turning point for Ross was shifting from talent growth to talent selection. Jonathan Ross, Groq's former CEO, says his steep learning curve as a founder came at a hefty cost. "I was a terrible leader. I was one of