Karl Tomm, MD FRCPC, is a Professor of Psychiatry in the Cumming School of Medicine at the University of Calgary in Canada. In 1973 he founded the Family Therapy Program which became the Calgary Family Therapy Centre where he continues as its Director. Karl is deeply interested in the application of systems theory, narrative theory, social constructionism, and bringforthism to therapy. He has focused on clarifying patterns of interaction in family systems, the effects of social injustice on families, the influence on therapists of the distinctions they make regarding their clients, and on explicating the possible therapeutic and counter therapeutic effects of the interviewing process itself.