OFEK – Organization, Person, Group – The Israeli Association for the Study of Group and Organizational Processes (Public Benefit Non-Profit Company) is an educational non-profit organization founded in 1986. 

Its primary aim is to help promote learning and change in individuals, groups, organizations and society through the study, development and application of psychoanalytic and open systems theories in the Tavistock tradition of Group Relations. 

Since its establishment OFEK has run annual international Group Relations conferences in association with The Tavistock Institute of Human Relations, London. It also runs bi-annual Hebrew language conferences, theme conferences, bespoke conferences and workshops for organizations, scientific meetings, ongoing professional development courses (Touch OFEK Courses and Workshops) organizational consulting projects primarily in the non-profit sector (through OFEK in the Field) and additional activities both for its members and for the wider public.