Current MATCP Board Members

  • Matt Wilson — Board President 
  • Commissioner Casey Clevenger — President Elect
  • Amy Ashelford  — Treasurer
  • Judge Andrea Vandeloecht — Secretary
  • Judge Scott Lipke— Immediate Past President
  • Judge Alan Blankenship —  Past President
  • Katie Doman
  • Judge Dennis Eckhold
  • Amanda Grellner
  • Clif Johnson
  • Mary Beth Lammey
  • Derek McClure
  • Corey Moon
  • Angela Plunkett
  • Sheila Sauer
  • Tommy St. John
  • Rick Strait
  • Marcy VanDeBerg
  • Clayton VanNurden
  • Rochelle Woodiest
  • Marty Yust

(updated 7/2021)


  • Stacey Langendoerfer — Executive Director
  • Julie Seymore — Development Director

Our Sponsors:

Nominations are now open for the next class of the Missouri Association of Treatment Courts Board members.  Board members are elected by the MATCP membership and serves for six years and the upcoming term begins Spring 2022.
Preference will be given to individuals who:

  • Clearly demonstrate a commitment to the treatment court movement (includes adult and juvenile drug court, DWI court, veterans treatment court, family treatment court, mental health court, reentry court, co-occurring disorders court, etc.)
  • Nominees are required to be an MATCP member and self-nominations are permitted.
  • Nominees are reviewed by the Nominations Committee, approved by the full board and then confirmed by members during the MATCP Annual Training Conference.

Forms must be received by January 31, 2022 in order to be considered.  If you have any questions, please contact Stacey Langendoerfer at or 573-356-5072.

All applications are due by January 31, 2022.

Our Board

Matt Wilson – President Matt Wilson - President
Matt Wilson is currently serving as the Adair County Prosecuting Attorney. He is a graduate of the Creighton University School of Law, where he received his Juris Doctorate along with a certification in conflict resolution. Matt began his legal career as a public defender before entering the private sector. In March, 2010 Governor Jay Nixon appointed Matt to fill the Adair County Prosecuting Attorney’s position. In November of 2010 Matt was elected to serve his first term of office. Matt was re-elected in 2014 and 2018. Matt
currently serves as a member of the Missouri Association of Prosecuting Attorneys financial committee; he is also a past member of the Legislative Committee and past chair of the Technology Committee. As a defense attorney and prosecuting attorney Matt has supported the efforts of alternative courts, finding them to be an effective way to make a positive difference in our communities.
Matt joined the Missouri Association of Treatment Court Professionals Board of Directors in 2015 and is currently serving as the Board President. Matt has served as a member and co-chair of the Equity and Inclusion sub-committee for MATCP. Matt has worked to train prosecutors in Missouri not only on the best practices of Treatment Courts but also how to ensure all populations are being provided equal access to treatment court resources. Matt is also a faculty member for the National Association of Treatment Court Professionals and the National Drug Court Institute.

Amy Ashelford, TreasurerAmy Ashelford, Treasurer

Amy Ashelford is a graduate of the UMKC School of Law.  After briefly working for a civil law firm Ashelford joined the Office of the Platte County Prosecuting Attorney as an Assistant Prosecutor, and has been there for ten years.  Ashelford’s duties as a prosecutor include the prosecution of felony DWIs and manslaughter cases and she serves as the prosecutor for Platte County’s DWI Treatment Court.
Ashelford has been recognized by the Missouri Association of Prosecuting Attorneys and the National Highway Traffic Safety Administration for her work to combat driving while intoxicated.  She received the 2013 DWI Hero of the Year Award from the Missouri Association of Prosecuting Attorneys, which recognizes a prosecuting attorney or allied professional “whose demonstrated commitment to the reduction of deaths and injuries caused by impaired drivers rises above and beyond ordinary standards.”  She also received the 2013 National Traffic Safety Prosecutor of the Year Award for excellence in Traffic Safety Prosecution.
Among Ashelford’s accomplishments:

• She pioneered an electronic search warrant process to shorten the time it takes to obtain a search warrant for a suspected drunk driver’s blood when that person refuses a breath test;She helped form Platte County’s DWI Treatment Court;

• She is a leader of a newly-formed DWI Task Force that will crack down on drunk driving in Kansas City’s Northland;

• She successfully prosecuted numerous alcohol-related traffic homicides, including obtaining a 16-year sentence against a defendant who killed a woman while he was drunk and driving at over 150 miles per hour on Interstate 29.

Ashelford has served on various boards and committees as well:

• She serves as the Chair of the MAPA DWI Best Practices Subcommittee;

•  She also serves on the Missouri Association of Treatment Court Professionals Board

“Removing drunk drivers from the roads used by my family, friends, neighbors, and community is something I am passionate about,” Ashelford said.  “I am very blessed to work in a law enforcement community with many outstanding people who have worked together to pursue innovative ways to keep our roads safe.”

Judge Andrea Vandeloecht

Andrea Vandeloecht is the Associate Circuit Judge in Chariton County, Missouri. Judge Vandeloecht received a B.A. from Westminster College and her J.D. from the University of Missouri-Columbia School of Law. She was an associate in the firm of Chapman, Cowherd, Turner & Tschannen in Brookfield, Missouri for nine years before being elected to her current position. Judge Vandeloecht re-started the adult drug court program in Chariton County in 2011 during her first year in office. Judge Vandeloecht serves on the Missouri Court Automation Committee and the Implementation Task Team for electronic filing.

Judge Scott LipkeJudge Scott Lipke, Immediate Past President

Scott Lipke:  In 2010, Scott Lipke was elected Associate Circuit Judge in Cape Girardeau and recently ran for re-election unopposed. His duties as Associate Circuit Judge include handling wide-ranging areas of the law including Juvenile, Civil, Probate, Civil Commitments, Guardianships, Adult Abuse and Child Protection Orders, Small Claims, Domestic, Child Support, Adult Criminal Drug Court, DWI Court, and Family Drug Court. Currently, he serves as a Board Member and Chairman of the Legislative Committee for the Missouri Association of Probate and Associate Circuit Judges, as well as having been appointed  recently to the Family Court Committee by the Missouri Supreme Court. Judge Lipke has also served on the Juvenile Detention Standards Workgroup and the Juvenile Weighted Workload Study Workgroup.

Judge Lipke obtained his B.S. in Political Science from Murray State University and J.D. from Valparaiso University School of Law. He is a former Assistant Prosecuting Attorney of Cape Girardeau County. In 2002, Judge Lipke was elected as a State Representative and served in the Missouri House of Representatives representing parts of Cape Girardeau and Perry Counties until term-limited in 2010. During his legislative career, Judge Lipke was named Chairman of the Crime Prevention Committee for two terms and received numerous awards and special recognition from the Missouri Bar, Missouri Association of Probate and Associate Circuit Judges, Judicial Conference of Missouri, Missouri Association of Prosecuting Attorneys, and Missouri Sheriff’s Association.

Judge Alan BlankenshipJudge Alan Blankenship, Past President

Judge Alan Blankenship is an Associate Circuit Judge in Stone County, Missouri, serving in that position since January 2003.  He is a member of the Missouri Supreme Court Committee for Treatment Courts, Missouri Supreme Court Trial Judge Education Committee, and Missouri Supreme Court Civic Education Committee, and has served on or chaired several Supreme Court work groups.

He is a member of the teaching faculty for Missouri Trial Judge Education programs, National Drug Court Institute (NDCI), and National Center for DWI Courts (NCDC).  He is a Fellow with the National Courts and Science Institute (formerly ASTAR, a U.S. Department of Justice program to train judges in advanced science and technology).

Included in his judicial duties is presiding over the Stone County Adult Drug Court, which was selected as is a National Mentor Court through the NDCI, and a DWI Court.  He serves on the Board of Directors for the Missouri Association of Treatment Court Professionals, and the American Legion Missouri Boys State Board of Directors and volunteer staff.  He attended law school at the University of Missouri, Columbia.  Before his legal career, he served with the Missouri State Auditor on the professional staff and became a certified public accountant in 1986.

Katie_DomanKatie Doman

Katie Doman has been the Treatment Court Administrator for the 19th Judicial Circuit in Cole County since June 2019 and oversees the Adult, Co-Occurring, Veteran and DWI treatment courts. Katie received a B.A. from Truman State University and has spent her entire career working in the criminal justice field. Katie worked at the Office of State Court Administrator (OSCA) in the Treatment Court Unit prior to becoming an administrator assisting treatment courts throughout the state with technical assistance, training, ensuring best practices and support for both established treatment court programs and courts implementing new programs. She was a juvenile officer for approximately 12 years prior to coming to OSCA. Katie serves on many local community and statewide boards including serving on the Missouri Recovery Network Board from 2014 to 2019. She currently serves on the MATCP Conference Planning Committee.

Judge Dennis C. EckoldJudge Dennis Eckhold

Judge Dennis C. Eckold was appointed as an associate circuit judge in the 6th Judicial Circuit in May 2010. He received his Bachelor of Arts degree in psychology from the University of Michigan and his law degree from the University of Missouri-Columbia.

Before his appointment to the court, Judge Eckold spent many years in the private practice of law. He served as a commissioner and board president of the Kansas City Board of Police Commissioners. He is a member of The Missouri Bar, the Platte County Bar Association, and the Kansas City Metropolitan Bar Association. His community interests include Gloria Dei Lutheran Church and Eleemosynary Society of Platte County.

Amanda GrellnerAmanda Grellner

Amanda L. Grellner has been the Prosecuting Attorney in Osage County since February of 2002.  She received her Bachelor’s in Political Science and her Juris Doctorate degree from the University of Missouri – Columbia.  She currently serves on several other boards as part of her continued commitment to public service.  She serves on the Prosecuting Attorneys and Circuit Attorneys Retirement Board, she chairs the Community Health Center of Central Missouri board, she serves on the Central Missouri Community Action board and sits on the United Way Advisory Council for Osage County.

Clif JohnsonClif Johnson

Clif Johnson has worked for over 30 years in the field of substance abuse beginning in 1987 at Koala Center in Lonedell, Mo. He has a degree in human services, credentialed as a substance abuse counselor and compulsive gambling counselor. Employed for the last 22 years at Southeast Missouri Behavioral Health in Farmington, Mo. as Director of Clinical Compliance and Physician Services. Clif is a board member for numerous boards and organizations across the state.

Mary Beth LammeyMary Beth Lammey

Mary Beth Lammey holds a Master of Science degree in Criminal Justice from Drury University. In 1997, she began her career with the State of Missouri, Division of Probation and Parole. She began as a Probation and Parole Officer, and supervised caseloads from Greene and Lawrence Counties. The caseloads she supervised consisted of sexual offenders, dangerous felons and clients on electronic monitoring. In 2006, Mary Beth became a Unit Supervisor and supervised Probation and Parole Officers and managed two sub offices in Barry and Stone Counties.  She was then promoted to District Administrator over the Branson office in 2009; which covered Taney, Stone and Barry Counties at the time. In 2014, she transferred to the District Administrator position at the District 10R Office located in Springfield, MO. This office currently covers the treatment court programs within Greene County. In 2017, she became the Regional Administrator over the Southwest Region; covering 11 District Offices and 7 Institutional Parole Offices.  Most recently Mary Beth accepted the position of Policy and Procedure Coordinator for the Division of Probation and Parole. Throughout her career with Probation and Parole she has worked with multiple treatment courts and team members.

In addition to working for Probation and Parole, I have been an adjunct instructor for Drury University since 2005, teaching classes on Victimology, Advanced Criminology and Probation and Parole. I am married and we have four wonderful children. My daughters are 23 and 13, my stepdaughter is 22 and my stepson is 19.

Stacey LangendoerferStacey Langedoerfer

Stacey L. Langendoerfer is the Missouri Association of Treatment Court Professionals (MATCP) Executive Director and the Missouri Credentialing Board (MCB) Executive Director since 2012.  Prior to these positions, she worked as the administrator of the Boone County Mental Health and DWI Courts for 10 years.

Stacey graduated from the University of Missouri-Columbia with a Bachelor in Social Work and from Columbia College with a Master of Science in Criminal Justice.

Derek McClureDerek McClure

Derek has been the Program Director for the Adult Outpatient Program at Bridgeway Behavioral Health/Preferred Family Healthcare for the last year, prior to that he was the Program Manager of the same program for over 2 years. He has also served as the Clinical Supervisor, SATOP Coordinator, and counselor with the same organization for the last 10+ years. He has worked in varying capacities with the St. Charles County Treatment Court for those 10 years, working with the DWI Court Track, the Drug Court Track, and the Family Court Track. He teaches ethics courses for the Missouri Credentialing Board to professionals from all over the region for continuing education as well as makes presentation to community partners on behalf of his agency. He has worked to develop, implement, and enhance programs for his organization as well as serves on multiple workgroups to enhance the services provided by his agency. He graduated from the University of Kansas with his undergraduate degree in Psychology and got his Masters in Professional Counseling from Lindenwood University. He is a Licensed Professional Counselor as well as a Certified Alcohol and Drug Counselor and a SATOP Qualified Professional in the state of Missouri. He is married and has 2 young children that mean the world to him and keep him very busy. He loves playing and watching sports as well as spending time with his family.

Corey MoonCorey R. Moon

Corey R. Moon was elected as the Prosecuting Attorney of Knox County in November of 2018. Prior to that he was the Assistant Prosecuting Attorney in Lewis County for three years. He has worked as an Associate Attorney with De Coster Law, LLC in Monticello and also at The Benson Law Firm, LLC in Kirksville. He graduated from Truman State University in 2011, earning a bachelor’s degree in both Justice Systems and Political Science. He earned his law degree from the University of Missouri-Columbia in 2014. He currently serves the Missouri Bar as a member on the Young Lawyers’ Section Council, which encompasses 20 northeast Missouri counties. He is originally from Canton, Missouri, and has previously been a resident of Macon County. When he’s not working, he enjoys spending time with his family and his daughter, Bria.


Angela Plunkett

Angela Plunkett

Angie Plunkett earned a B.S. in Criminal Justice from Southeast Missouri State University in 1990. She served as a Missouri Probation and Parole Officer for 14 years before she began working as a local Drug Court Administrator in 2005, launching five rural drug court programs in Southeast Missouri. Angie also worked two years as a legislative assistant for the Missouri Senate, serving as staff to the Senate Committee on Veterans Affairs and Pensions.  In 2010, Angie became the Statewide Treatment Court Coordinator for the Missouri Office of State Courts Administrator (OSCA).  As statewide coordinator she provided executive oversight and technical assistance to ensure the 149 adult, DWI, family, juvenile and veteran treatment court programs operated effectively. She was the grant writer and project manager for two BJA grants and served as principal staff to the Drug Courts Coordinating Commission, the Treatment Courts Committee and the Missouri Association of Treatment Courts (MATCP) Equity Committee. She also acted as co-facilitator for the state drug court coordinators and was a member of the CCJ/COSCA Problem-Solving Court Committee. Angie became the Criminal Justice Services Manager for the Missouri Department of Mental Health (DMH) in November 2018 and currently serves as the DMH liaison for the courts, Department of Corrections and the Justice Reinvestment Initiative.

Sheila SauerSheila Sauer

Sheila Sauer was born and raised in Jackson, MO, Sheila graduated from Southeast Missouri State University with a B.S. in Criminal Justice. Sheila worked as a Probation Officer with Private Correctional Service, followed with Deputy Juvenile Officer/Drug Court Case Worker before obtaining the position of Drug Court Administrator for the 32nd Judicial Circuit in 2012.  Currently she serves as a Board Member for the Criminal Justice Department at SEMO University, Board Member for Family Counseling Center, Board Member for (EPIC) Early Prevention Impacts the Community also serving on the Media Committee followed with OSCA’s Treatment Court Focus Group and the 32nd Circuits (FCI) Fostering Court Improvement Team. Sheila is a wife and mother of three children, when she is not in the office, you can find her at a youth baseball field, football field or wrestling gym. When possible, she enjoys traveling, and quiet time on the beach.

Julie SeymoreJulie Seymore

Julie Seymore has been the Drug Court Administrator for the 11th Judicial Circuit Court in St. Charles County since 2011 and oversees the Adult, DWI, Co-Occurring, Family and Veterans tracks. Prior to that she was a Probation and Parole Officer in St. Charles County and worked with the Drug, DWI and Co-Occurring Courts. Julie is very proud to work with her Judge and teams in St. Charles County. In 2013 they were recognized as a National Mentor Court and have hosted numerous Courts from around the Country.

Captain Tommy St. JohnTommy St. John

Captain St. John has over 33 years of law enforcement experience and has worked in every division of the Clay County Sheriff’s office. He has been active on the STAR (Special Tactics and Response) team for 20 years, and is the Commander of the Firearms and Taser units as well as an instructor for the Sheriff’s   office. Tommy currently is the Commander of the Community Court Services which includes the security of the Clay County Court Houses, the School Resource Unit, Fugitive, Civil, Transport Sex Offender registration, and the CCW permit unit .Tommy has been a drug court tracker for 12 years and is currently the lead tracker for the Clay County Prosecutors Office. Tommy is a lifelong resident of Excelsior Springs. Missouri and a graduate of Excelsior Springs High School. Captain St. John has been an active volunteer in the Boy Scouts of America for over 25 years, and is an Assistant Scout Master with Troop 1313 in Excelsior Springs. Over the last ten years he and his son Ben have volunteered to assist the Excelsior Springs Football team. Tommy’s other    interests include disability rights and awareness, particularly in law enforcement venues; he oversees the CIT unit for the Sheriff’s Office and is a Zone representative of the Missouri School Resource Officers Association.

Rick StraitRick Strait

Rick Strait works at Community Counseling Center as the Integrated Treatment for Co-occurring Disorders program manager and suicide prevention coordinator. He has twenty years’ experience working in the substance use disorder field. He is a Licensed Professional Counselor and certified addictions counselor. He is a member of the American Association of Suicidology serving on the impacted family committee. Rick is faculty for National Zero Suicide Academy and a member of the Missouri Suicide Prevention Network. He works as an adjunct professor for Central Methodist University, training future mental health professionals. He is involved in CIT in his region as a member of the council and provides training in suicide prevention. Rick serves as a board member of United Suicide Survivors International. Rick facilitates trainings on Medication Assisted Treatment for the Missouri Credentialing Board

Marcy VanDeBergMarcy VanDeBerg

Marcy Van De Berg is a Licensed Clinical Social Worker practicing at the Veterans Health Care System of the Ozarks (VHSO) in Mt. Vernon, Missouri. She graduated with a Masters’ degree from Missouri State University School of Social Work in 2003; prior to that, Marcy worked as a bachelor level social worker in the community. Ms. Van De Berg has worked with families struggling with HIV/AIDS through AIDS Project of the Ozarks, provided substance abuse therapy through local recovery agencies as well as provided crisis intervention services as the Emergency Room Social Worker through Cox Medical Center. Since 2009, Ms. Van De Berg has worked at VHSO, starting in mental health / substance use services providing evidenced based therapy in the co-occurring clinic for five years prior to her current position as the Veterans Justice Outreach Coordinator (VJO). As VJO, Marcy provides outreach to Veterans involved in the Criminal Justice System and currently participates in four Veteran Treatment Courts within the VHSO 10 county coverage area. Ms. Van De Berg serves on VHSO’s Social Work Boarding Committee as well. As part of her role as VJO, Marcy provides educational presentations for CIT training to Law Enforcement Officers in partnership with the Greene County CIT program. She is also part of Homeless Veterans Task Force working to end Veteran homelessness as well as the area’s Recovery Community Task Force serving as a voice for the VA and Veteran centered services.

Clayton_VanNurdenClayton VanNurden

Clayton VanNurden is the Treatment Court Administrator for the Mental Health Court program, Veterans Treatment Court program, Co-Occurring Court program, and DWI Court program in Boone County. He began working for Boone County in June 2012, when he was the Treatment Court Administrator for the OnTrack Court program (a 120 day reentry program). Prior to working for Boone County, Clayton worked as a probation and parole officer where he had assignments working with Treatment Courts as well as regular caseload assignments. He worked as a field probation and parole officer from November 2004 – June 2012, and as an institutional probation and parole officer from December 2003 – November 2004. Clayton graduated with a BS in Psychology from the University of Missouri – Columbia in May 2003.


Rochelle WoodiestRochelle Woodiest, Secretary

Rochelle M. Woodiest:  Rochelle Woodiest was born and raised in East St. Louis, IL.  She is the daughter of JoAnn Blacknell, a retired educator with the East St. Louis public School System and Roland Woodiest. She received her Bachelor’s of Art degree from Iowa State University, and her Juris Doctorate from St. Louis University-School of Law, in 1999. Rochelle began working as an Assistant Circuit Attorney in the Circuit Attorney’s Office, City of St. Louis, in 2001, as a trial attorney and later became Director of Drug Court Prosecution for the Adult Drug Court Program for four years.  She then returned to the trial team, where she worked in the property crime unit.
In June, 2013 Rochelle was commissioned to the St. Louis City’s Adult, Family and Juvenile Drug Court. Outside of her professional duties, Rochelle is a member of St. John Church, in Illinois, where she works with the youth department and is a member of the Mound City Bar Association.
Rochelle was an awardee of the St. Louis City Drug Court’s Janet Reno Award in 2009, and St. Louis Business Journal’s Forty Under Forty in 2012.

Marty YustMarty Yust

Marty Yust is the Public Relations Officer for FCC Behavioral Health.  Prior to his current employment he worked for the 40th Circuit for 18 years, as a Deputy Juvenile Officer, Drug Court Administrator and Chief Juvenile Officer.  He holds a Bachelor’s Degree in Criminal Justice from Missouri Southern State College and is currently a member of the Missouri Juvenile Justice Association Board

Mr. Yust was previously on the Missouri Association of Treatment Court Professional Planning Committee for approximately five years.


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