Mendel Horowitz a psychotherapist, researcher, and author in Jerusalem who is certified by the International Board for Certification of Group Psychotherapists. His research interests include group therapy and the convergence of masculinity, loneliness, and faith. Mendel is also a founding member of United Hatzalah’s Psychotrauma & Crisis Response Unit and a member of the Public Outreach Committee of the American Group Psychotherapy Association. Mendel has facilitated workshops internationally on religion, masculinity, and emotional isolation and on intergenerational trauma, ambivalence, and avoidance in group dialogue. Mendel's popular essays have appeared in The New York Times, The Washington Post, The Jerusalem Post, JTA, Forward, and Jewish Journal, among other publications. His professional writing can be found in the International Journal of Group Psychotherapy and in the forthcoming volume “Addressing Diversity Dynamics in Group Therapy: Clinical and Training Applications” published by Taylor and Francis.