etienne and beverly wenger-trayner are internationally renowned social learning theorists and consultants. their pioneering work in the field of social learning has been influential in such diverse fields as learning theory, business, government, international development, healthcare, and education. their consulting practice specializes in contexts where there are large-scale social learning challenges. they bring people together across organizations, geography, sectors, and disciplines to address complex problems.etienne is known for his seminal work on communities of practice and beverly is known for her work with international organizations. together they are developing and publishing theoretical and practical frameworks to address the learning challenges facing public and private organizations, communities, and society today. to this end, they have founded the social learning lab in sesimbra, portugal, where they host series of events oriented to theory, practice, and leadership. they contributed several chapters—in particular, the framing chapter—to the co-edited volume learning in landscapes of practice, which expands the theory beyond single communities. in designing for change, they use their framework to describe an innovative higher-education project. systems convening sheds light on a crucial form of social-learning leadership for the 21st century. they are preparing a guidebook for communities of practice. they have started a book series called learning to make a difference. they recently published the first volume, which introduces the concept of social learning space as a new foundation for the theory, and their value-creation framework as a tool for both conceptualizing and cultivating social learning.