Our Team

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Meet MST Services

Since its founding in 1996, MST Services has been dedicated to supporting the effective, model-adherent delivery of Multisystemic Therapy worldwide. Our team provides the expertise, training, and quality assurance needed to help providers deliver impactful, evidence-based care to youth and families.

Research Leadership

Scott Henggeler, Ph.D.

Co-Founder and Developer of MST

Dr. Henggeler has published nearly 300 journal articles, book chapters, and books. He is the recipient of prestigious national awards including Points of Light Foundation President’s Award, Families Count Award, and he was named one of the twelve people who saved rehabilitation by the American Society of Criminology. Dr. Henggeler has also served on numerous editorial and review boards. He received his Ph.D. from the University of Virginia.

Sonja Schoenwald, Ph.D.

Co-Founder

Dr. Schoenwald, a co-founder, has published extensively and served on numerous editorial, research, and advisory boards. She obtained her undergraduate degree from Stanford University and her doctoral degree from Duke University.

Melisa Rowland, M.D.

Co-Founder

Dr. Rowland is a recognized leader in the field of psychiatry. She received a Bachelor of Science Degree from Louisiana State University and a medical degree from the University of South Florida College of Medicine.

Senior Management

Brenda Szumski, MSW

Executive Director

Ms. Szumski received her master's in social work from the University of Denver and her MBA from the University of Wisconsin-Milwaukee. She joined MST Services in 2007.

Bernie Centeio, MSW

Adaptations Director

Ms. Centeio holds Bachelor of Arts degrees and a Master of Social Work degree from the University of Hawai’i at Manoa. She joined MST Services in 2007.

Michelle Dean, M.S.

Team Support Services Director

Ms. Dean received her M.S. in Rehabilitation Counseling from UNC-Chapel Hill. She joined MST Services and began implementing our juvenile treatment programs in 2006.

Lori Moore, M.A.

Network Partner Support Director

Ms. Moore began her work in MST in 1999 at Adelphoi Village, PA, as an MST Therapist, there she was promoted to the MST Supervisor and MST Expert positions. Lori joined MST Services in June of 2008 as an MST Expert, was promoted to the Manager of Network Partnership position, and recently was promoted to the Director of the Network Partner Support (NPS) Division. Lori has over 30 plus years’ experience working with children, youth, and families in a wide range of community-based settings.

Thomas Pietkiewicz

Director of Business Development

Mr. Pietkiewicz has a background in leadership, business strategy and new business development. In addition to serving six years in the United States Marine Corps, he received a bachelor’s degree from the United States Naval Academy and an MBA from Harvard Business School.

Laura Shortt, Ed.D.

Clinical Resources Director

Dr. Shortt started in 2000 as an MST therapist serving families in her current community of Clarksville, TN. She joined MST Services in 2006. Laura has a passion for clinical supervision and teaching mental health professionals. She received her M.S. in Community Psychology from Austin Peay State University and her EdD in Counselor Education and Supervision from Argosy University.

Keller Strother

Co-Founder & Director

Mr. Strother, as a Co-Founder of MST Services, has been a driving force in scaling the dissemination of Multisystemic Therapy. He holds a bachelor of arts, bachelor of science and master’s degrees from Stanford University and an MBA from Duke University.

Managers of Clinical Implementation
  • Kellie Allison, M.A., LPC 
  • Chris Blake, Ph.D. 
  • Liz Buchanan, LCSW
  • Jamie Bunch-Sanfilippo, M.A.
  • Joshua Chinitz, Ph.D. 
  • Betsy Clipper 
  • Susan Dee, LCSW
  • Melina Fazzolari-Napoli, LCSW-R, CCTP
  • Marisa Licata, LCSW
  • Amy Myers, M.S.
  • Kimberly Pascucci, LCSW-R 
  • Joanne Penman, M.Ed., LMSW
  • Laurie Spivey, M.A., M.A.Ed
  • Angelia Watson, M.A. 
MST Consultants
  • Elisa Angevin, LCSW
  • Nick Angers, LCPC
  • Marie Andersen-Strait, LMSW
  • Richard Aucoin, Ph.D.
  • Brad Bagley, MS, LMFT
  • Lori Bargesser, MSW, LMSW
  • Sandy Crotts, M.S., NCC, LPC
  • Kimberly Duncan, MSW
  • Sara Epperson, MA
  • Kelly Freeman, LCSW
  • Beth Gaudette, MSW
  • Melissa Golba, M.A.
  • Morgan Guy, LMSW
  • Mia Henderson, MS
  • J.M. Husby, MA, LMFT
  • Michelle Jarrouj-Weaver, MS
  • Joshua Leblang, LMHC, LCPC
  • Amelia Lower, MEd, LPCC, NCC
  • Melissa McGreal, LCSW
  • Janelle McKinnon, LMSW
  • Michael Mulqueen, LCSW-R, SIFI
  • Michelle Robinson, MS
  • Jeff Randall, Ph.D.
  • Wyvetra Smith, MAPC
  • Amber Stark, MA, LCMHC
  • Isaac Westdorp, MA
MST Experts

  • Courtney Chapman — Operations Manager
  • Melanie Duncan, Ph.D. — Program Development Coordinator
  • Nancy Hill — HR Manager
  • Ruby Howard — Accounting Manager
  • Lin Hurt — Training Assistant
  • Randy Hurst — IT Manager
  • Brina Joiner — Operations Coordinator
  • D’Ree Kelley — Staff Accountant
  • Sedgrid Lewis, M.A. — Program Developer
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Interested in a Multisystemic Therapy career?