Welcome to the World Conference on Catalysis and Chemical Engineering (WCCCE-2027), taking place from March 18–20, 2027, in Osaka, Japan. This premier international conference will bring together leading researchers, scientists, academicians, industry professionals, and innovators from around the world to explore the latest advancements in catalysis, chemical engineering, and sustainable chemical technologies. WCCCE-2027 serves as a global platform for exchanging scientific knowledge, fostering interdisciplinary collaborations, and promoting innovation in catalysis and chemical sciences. The conference will feature inspiring keynote lectures, plenary talks, invited presentations, oral and poster sessions, workshops, and networking opportunities designed to encourage meaningful discussions and future research partnerships. The scientific program will highlight emerging areas including heterogeneous and homogeneous catalysis, nanocatalysis, green chemistry, reaction engineering, petrochemical processes, electrochemistry, and chemical process innovations. Join global experts and shape the future of catalysis and chemical engineering at WCCCE-2027.