Carlo has served as Director of the Psychosomatic Medicine Section, where patients were treated in individual psychotherapy sessions in addition to receiving group therapy in relaxation therapy and psychodrama. He has led psychodrama groups in Turin and Lausanne, Switzerland, for 15 years and is a teaching member of the AISPT and ISST, as well as serving as a training analyst and supervisor at the C. G. Jung Institute Zurich. He has presented his work at numerous conferences, taught courses at various universities in Switzerland, Italy, and the United Kingdom, and at the Jung Institute in Zurich. He has also published numerous papers in the Journal of Sandplay Therapy.