Dr. John Gunderson is a Professor of Psychiatry at Harvard Medical School. At McLean Hospital he is Director of the Borderline Center's clinical, training, and research program. His seminal studies on the diagnosis, families, psychodynamics, treatment and pathogenesis of borderline personality disorder helped transform the diagnosis from a psychoanalytic construct into an empirically validated and internationally recognized disorder and earned him recognition as the "father" of this disorder. He has increased awareness of the burdens for families and championed the involvement as collaborators. He chaired the DSM IV work group on personality disorders, and currently leads two major NIMH-funded studies, one on the longitudinal stability and the other on family transmission of borderline personality disorder In 2009 McLean Hospital honored his contributions by establishing a new treatment center in Cambridge, Mass called the Gunderson Residence. He remains actively involved in treating borderline patients using all modalities and brings this experience to bear in his talks and writing.