Etienne and Beverly Wenger-Trayner are internationally renowned social learning theorists and consultants. Their pioneering writing and consulting is influential in diverse fields including learning theory, business, government, international development, healthcare, and education. They founded the Social Learning Lab to host events on theory, practice, and leadership. Their more recent writing updated the theory in Learning in landscapes of practice and in the first volume in their new book series: Learning to make a difference: value creation in social learning spaces. Their practical writing, which provides guidance for social-learning leadership, includes Systems convening and the new Communities of practice guidebook.