Industry pioneer Jair Velleman joins Behind the Grow for a raw and insightful conversation about ambition, burnout, reinvention, and the evolution of professional grow lighting.Jair opens up about:• His early hustle importing equipment • Building Mammoth Tents and Gavita from the ground up • Selling his company for life-changing money — and the depression that followed • Rediscovering purpose through Dutch Lighting Innovations • Why LED degradation is a hidden crisis in cultivation • The science behind UV light and improving crop quality • The friendships, failures, and unforgettable stories along the way This episode isn’t just about technology — it’s about resilience, timing, and believing in something enough to change an entire industry.#GardenCultureMagazine #BehindTheGrow #DLILighting #GrowLighting #CultivationTech #HorticultureInnovation00:00 Introduction and Early Connections06:05 Transition to Gavita and Mammoth Tents12:00 The Launch of Garden Culture Magazine18:09 The Evolution of the Cannabis Industry23:57 Memorable Stories and Experiences30:00 Innovations in Growing Technology32:04 The Evolution of Horticultural Lighting34:36 The Emotional Journey of Selling a Company39:01 Finding Purpose After Success47:03 Understanding Light Degradation in Cannabis Cultivation58:04 Innovations in UV Lighting for Plants