This edited volume is the first in a new series, with chapters from researchers and social professionals covering topics from Argentina, Canada, Italy, Spain, and the U.S. As a whole the book also lays the groundwork for building a theoretical base that both unites and strengthens the field itself, while also opening a space to analyze and understand particular professions and contexts.

In terms of KNOWLEDGE, this edited volume starts a new series that will envision the field in a comprehensive manner. This task includes reflections on social professions and their past, present and future roles, in a so-called well-being knowledge society. The series will include chapters from concept to theory and practice since social action can be established from different worldviews. The conceptualization of social reference models, and the redefinition of the different social professions, can be related to existing or necessary social intervention practices in the coming decades. The series also addresses social professions and planning and its role in knowledge building. The reader will find reflections on the current role of the social professions in the design, development and evaluation of social projects; and the possibilities of incorporating social professionals into the design processes of the future of human groups. Next the series envisions the frontiers on social planning research. In the 21^st century, the interdisciplinarity of the interventions opens a new path of collaboration and multidisciplinary training for professionals. It is time to reflect on how the social professions will be configured in the near future, and to make proposals to connect and further their collaboration. What is the research agenda in the sphere of the current social sphere and what are the challenges for the coming decades? Interdisciplinary proposals are especiall