Lumos co-founder @LeoMehr on why he left Ramp to launch Lumos Labs: "Andrej and I started the company when we were grad students at Stanford. And funny enough, we were actually inspired by a class on tech ethics. It's been a long journey. No founder path is a straight line." "I stepped back in 2023, and then I joined Ramp. And the Ramp journey was amazing. I'm very grateful. It's an amazing company, and there's many things to learn, but the job was not done at Lumos." "There was a wave that…