Interventions aiming to meaningfully engage men and boys in understanding and transforming their relationships with their health and well-being often focus on important life events and transitions (e.g., sexual initiation, graduations, birth of first child). Yet the theoretical underpinning of why transitions are a strong moment for intervention is seldom emphasized in the literature. This session will use the Do’s and Don’ts for Engaging Men and Boys and recent interventions in Bangladesh and Zambia to showcase good practices and lessons learned…