How I taught myself to code, quit my consulting job, and started an AI robotics firm by age 25 Oscar Brisset used to work at BCG. Courtesy of Oscar Brisset Oscar Brisset transitioned from BCG consultant to AI startup founder by age 25. The year before he quit consulting, he used weekends and PTO to teach himself to code. His top advice to others who want to take the leap: Don't be afraid to learn technical skills. This as-told-to essay is based on a conversation with Oscar Brisset, 25, a French-Australian founder based in San Francisco. He cofounded Remy AI, a warehouse robotics company. Business Insider has verified his former employment and funding. This piece has been edited for length and clarity. In 2024, I used 18 of my 25 allotted vacation days from BCG to sit at home and teach myself to code. I wanted to have the skills to one day found my own company. In November 2025, I quit my job at BCG after launching a robotics startup.…