The Traumatic Stress Institute fosters the transformation of organizations and service systems to trauma-informed care (TIC) through the delivery of whole-system consultation, professional training, coaching, and research.

TSI Staff

Patricia Wilcox, LCSW, is the Vice President of Strategic Development at Klingberg Family Centers in New Britain, Connecticut and also part of the Traumatic Stress Institute team. Her career in child and family treatment has included the state child welfare system, the Superior Court, private practice and Newington Children’s Hospital Day Treatment. At Klingberg she has been a clinician and the Clinical Director before obtaining her current position in 2005. She specializes in treatment of traumatized children and their families and has presented extensively on this topic.

Pat is the creator of the Restorative Approach®, a trauma and relationship-based approach to congregate care treatment of children, and its companion book, Trauma-Informed Treatment: the Restorative Approach.  She has presented at NASW, the International Conference on Violence, Abuse, and Trauma; The American Association of Children’s Residential Centers; the Alliance for Children and Families; The Child Welfare League of America; and the Black Administrators on Child Welfare.


Steve Brown, Psy.D., is the Director of the Traumatic Stress Institute of Klingberg Family Centers. A clinical psychologist, he is a primary architect of TSI’s Whole-System Change Model to Trauma-Informed Care (TIC). In 2020, he authored the adaption of Risking Connection® to organizations serving people with intellectual and developmental disabilities (IDD). He is a co-creator, with Dr. Courtney Baker, of the Attitudes Related to Trauma-Informed Care (ARTIC) Scale, one of the first psychometric measures of TIC.

Steve trains professionals nationally on psychological trauma and trauma-informed care.  In addition to being a psychologist, he is a long time sexuality educator/trainer and author of Streetwise to Sex-Wise: Sexuality Education for High Risk Youth, a sexuality education curricula used internationally by agencies and schools serving high-risk youth.


Mary Jo Harwood, LSW, DNCCM, is a Program Coordinator for the Traumatic Stress Institute of Klingberg Family Centers. A significant part of her 30 years as a licensed social worker has been spent supporting the recovery of individuals and communities post-traumatic incidents. She has provided trauma-informed leadership to victim service organizations, mental health providers, and served in the capacity of a therapist, EMDR practitioner, crisis responder, and trainer.

Mary Jo formerly directed the Dialogue and Resolution Center, a division of the Center for Victims in Pittsburgh, PA, providing training and coaching that addressed building conflict-competent teams in organizations. She is a member of Mediators Beyond Borders International and has worked in Liberia and South Sudan and consulted with teams in Northern Nigeria and Kenya to address the intersection of trauma and peace-building through the application of conflict and trauma-sensitive programming.


John Engel is the Associate Director for the Traumatic Stress Institute of Klingberg Family Centers. John oversees all aspects of TSI’s training and consultation services, including sales and delivery of the Whole-System Change Model. John supports departmental operations, including strategic planning, organizational development, staffing, and budgeting. Additionally, John has been an advocate for mindfulness in the workplace. He envisioned and implemented Monthly Risking Connection (RC) Mindfulness sessions for our RC community – a natural fit with our RC curriculum – as a method for both helping clients and supporting treaters’ self-care.

In his former roles as Executive Director of MERGE for Equality and author of the column The Fatherhood Journey for the Daily Hampshire Gazette, John worked to promote public and private conversations about fatherhood and gender equality.


Chris Greene is the Marketing Coordinator for the Traumatic Stress Institute of Klingberg Family Centers. Her focus has always been on creating a sense of community and bettering TSI’s systems to improve our clients’ experiences. During her time with TSI, Chris renovated – and continues to update and enhance – the TSI website, improved the production process for TSI training materials, and helped launch a CRM system that improved our ability to manage growing complexities around our Whole-System Change implementation and professional development events processes.

Prior to her work for TSI, Chris served in both administrative and management capacities for Planned Parenthood and Antarctic Support Associates, worked in direct care and social work settings, and gained event management and mentoring experience as a volunteer for Girl Scouts.


Callie Hardin is the Senior Research Coordinator for the Traumatic Stress Institute of Klingberg Family Centers. She leads all aspects of the ARTIC Scale product line and co-developed the Online ARTIC platform. Callie manages a growing body of multi-year Online ARTIC studies, conducts program evaluations for Client Agencies, and prides herself on offering compassionate guidance around data collection best practices and trauma-informed recommendations so clients can achieve high response rates and get the most out of their reports. While Callie’s main focus is the ARTIC Scale, her organizational and technical prowess has greatly benefited the TSI team, most notably by customizing a CRM system that improved our ability to manage growing complexities throughout our department.

Community organizing in New Orleans has been a vital part of Callie’s personal growth for many years. She has committed to the ongoing work of Undoing Racism in all aspects of our world and her own life. Working for TSI has allowed Callie to increase that lens to integrate concepts around Trauma-Informed Care and racial trauma into her organizing. Callie is an active member in Klingberg’s IDEAS (Inclusion, Diversity, Equity,Awareness & Sensitivity) Committee, supporting Klingberg leaders to increase alignment between the organization’s stated values and actions.


Samm Winebrenner is the Operations Support Specialist for the Traumatic Stress Institute of Klingberg Family Centers. She has over a decade of experience in customer service, as well as in financial institutions and sales. She is passionate about personal identity, and is active in an online LGBTQ+ community group that supports individuals struggling with acceptance. When not working, she can be found spoiling her dog and two cats or sewing in her lair.

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