Redefining Leadership Without Titles

Mabelle Bong is a Senior Program Manager of Learning & Development at Instacart, where she leads manager and leadership development initiatives that scale with the business. With a background in psychology, nonprofit education, and tech, she brings a human-centered approach to building programs that are both impactful and inclusive. Before joining Instacart, Mabelle cut her teeth in L&D at Stripe, where she ran global onboarding programs for engineers and helped design coaching and leadership experiences for managers across the company. Her work blends social learning, mentorship, and strategic experimentation—always with an eye toward access, equity, and real-world impact. From pioneering AI enablement initiatives to advocating for leadership development beyond job titles, Mabelle is passionate about creating meaningful learning that meets people where they are—and moves them forward.