Published on: November 9, 2026
Please join us in welcoming one TNG representative and three new external members to NABITA’s Advisory Board!
Haven Hart, Ph.D., M.Ed.
Senior Consultant; Student Affairs Practice Lead, TNG; Resolution Officer, FAIR Center
Haven Hart, Ph.D., is a Senior Consultant and Student Affairs Practice Lead at TNG with more than 30 years of experience in higher education leadership, student affairs administration, threat assessment, and organizational risk management. She oversees consulting operations and client relations, teaches NABITA and ATIXA certification courses, and advises institutions on policy development and Title IX compliance. Her previous leadership roles include positions at Auburn University, Coastal Carolina University, Converse College, and the University of Alabama.
Jennifer Sahr, Ed.D.
Assistant Director of Student Support Services, Fargo Public Schools
Jennifer Sahr, Ed.D., serves as Assistant Director of Student Support Services for Fargo Public Schools, where she provides districtwide leadership for integrated systems supporting student safety, behavioral health, belonging, and access to care. During more than 25 years in public education, she has served as a classroom teacher, instructional coach, district data facilitator, MTSS/PBIS coordinator, and district administrator.
Sahr leads and aligns work across school counseling, school psychology, school social work, Native American Education, Communities In Schools, restorative practices, and school- and community-based mental health partnerships. She leads implementation of the district’s MTSSSEB framework, which embeds structured behavioral risk assessment, including the NABITA K-12 Risk Rubric, within tiered problem-solving, intervention planning, safety planning, documentation, and ongoing monitoring. She also guides policy and procedure development related to threats to school safety, suicide prevention, multidisciplinary case review, and coordinated intervention. She provides professional learning for administrators and multidisciplinary student-support teams.
Her work centers on translating research and national standards into practical, sustainable K–12 systems that balance early intervention, student well-being, equity, and safety. Sahr holds an Ed.D. in Educational Leadership, an M.S. in Special Education, and a B.A. in Elementary Education. She is a North Dakota Trauma-Sensitive Schools Trainer and a Ukeru Certified Trainer. She also serves on the Southeast Human Services Advisory Board and actively contributes to United Way of Cass-Clay initiatives focused on improving access to services across Cass County, North Dakota, and Clay County, Minnesota.
Colleen Sonnentag, Ph.D.
Assistant VP & Dean of Students, University of Northern Colorado
Colleen Sonnentag, Ph.D., serves as the Assistant Vice President & Dean of Students at the University of Northern Colorado. With more than 15 years of experience in student conduct, case management, crisis response, residence life, and Title IX/civil rights investigations, she provides strategic leadership across the Division of Student Affairs and chairs UNC’s CARE (Concern and Respond Effectively) Team. In this role, she oversees cross-functional behavioral intervention and risk/threat assessment efforts to support student and community well-being.
Sonnentag is a Certified Workplace Mediator and Trainer in Conflict Resolution through the Mediation Training Institute. She has presented at multiple national conferences on how institutions can effectively respond to student needs and concerns. Sonnentag’s research has been recognized nationally; in 2020, she received the Association for Student Conduct Administration’s Dissertation of the Year Award for her work on sexual assault adjudication in higher education.
Larissa S.L. Train, M.Ed., M.A.
District Director, Academic and Student Affairs Compliance, Maricopa County Community College District
Larissa S.L. Train, M.Ed., M.A., is the District Director of Academic & Student Affairs Compliance for the Maricopa County Community College District (MCCCD), a 10-college system and one of the largest community college districts in the United States. She established and leads MCCCD’s districtwide Behavioral Intervention Team (BIT) alignment initiative, partnering with campus and district leaders to build consistent, sustainable BIT practice across colleges.
She brings 25 years of experience spanning higher education administration, program leadership, teaching, and social services, with extensive work in student affairs and compliance. As a campus Dean of Students, she served for many years as a Behavioral Intervention Team chair, translating frontline practice into system-level policy, procedures, training, and implementation supports.
She holds a B.A. in Sociology and Anthropology from DePauw University, an M.A. in Educational Leadership from Northern Arizona University, and an M.A. in Sociology from Arizona State University. She is an active member of the Association of Threat Assessment Professionals (ATAP) Desert Southwest Chapter and a Master Trainer in Threat Assessment with the U.S. Department of Homeland Security’s National Threat Evaluation and Reporting (NTER) program.
Meet NABITA’s full staff and Advisory Board here.