Ivan Zamesin is a Grit Daily Group contributor, product strategist, and creator of the AJTBD Framework & Tools, developed over eight years to help companies rethink product growth. He has coached 13,000+ product managers, driving results like 400% sales growth and major ROMI gains, and helped win market share from Google at a leading Eastern European tech firm. He also mentors at programs like StartX, Founder Institute, and Antler.