meet Your team of experts

Dedicated experts with
proven records of safety
for the vulnerable.


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Charissa Sloan Dvorak, JD, MBA

Attorney | Lead Investigator

Charissa Sloan Dvorak is a graduate of Baylor University Law School and a former prosecutor who has successfully prosecuted hundreds of cases, including child sexual abuse, physical abuse, possession of child pornography, intimate partner violence, stalking, harassment, and capital murder. Charissa also served as an adjunct professor teaching Criminal Law, Criminal Procedure, Homeland Security, and Ethical and Legal Aspects of Management at Indiana Wesleyan University. Currently Charissa practices law at Spencer Fane, LLP and is a member of the firm’s Higher Education, Litigation and Dispute Resolution, and White Collar Crime practice groups. Her focus is on institutional responses to sexual misconduct. She has led a number of high profile investigations, conducted policy audits, and provided training and education for a range of institutions including universities, churches, mission boards, and other youth-serving organizations. In 2017, Charissa was appointed by her state’s governor to the Council for Sex Offender Treatment Providers. Charissa also serves on the Board of Directors for Poiema Foundation, while she and her husband are active in local church ministry.

Website: Spencer Fane Profile

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Justin Holcomb, PhD

Episcopal Priest | Seminary Professor

Dr. Justin Holcomb is an Episcopal priest and teaches theology at Gordon-Conwell Theological Seminary and Reformed Theological Seminary. Just and his wife, Lindsey, have co-authored numerous books: God Made All of Me: Helping Children Protect Their BodiesRid of My Disgrace: Hope and Healing for Sexual Assault Victims; and Is It My Fault?: Hope and Healing for Those Suffering Domestic Violence . In addition to GRACE, Justin also serves on the board for REST (Real Escape from the Sex Trade).

Twitter: @JustinHolcomb

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Matthew Lacey, MDiv


Matthew Lacey served as a Chaplain at Northside Hospital Atlanta for two years and has been in active ministry for eleven years, including Vice President for Leadership Companies. He is a founding board member of GRACE. He was the founder and served as president of Providence Cottage School in Florida. Matthew led the development office as the Vice President at a seminary in the southern United States for eight years and successfully raised funds for establishing an extension campus. Prior to his seminary employment, Matthew worked in management for several automotive-related enterprises including the headquarters office of a Fortune 500 company.


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Diane Langberg, PhD

Psychologist | Consultant | Author

Dr. Diane Langberg is globally recognized for her forty-five years of clinical work with trauma victims. She has trained caregivers on six continents in responding to trauma and to the abuse of power. She also directs her own counseling practice, Diane Langberg, Ph.D. & Associates, which includes fifteen therapists with multiple specialties. Among Dr. Langberg’s books are Counseling Survivors of Sexual Abuse, On the Threshold of Hope (with accompanying workbook), In Our Lives First: Meditations for Counselors and Suffering the Heart of God: How Trauma Destroys and Christ Restores.

In addition to serving on the board of GRACE, Dr. Langberg is a co-leader of the Global Trauma Recovery Institute housed at Biblical Theological Seminary and is the Co-Chair for American Bible Society’s Trauma Advisory Council.

Twitter: @DianeLangberg

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James Luttrull, JD

District Attorney | Criminal Justice Professor

James Luttrull has served as a prosecutor for his local county since 2003. Previously, he worked for twenty years as both Deputy Prosecutor and Chief Deputy Prosecutor. James currently teaches in the Criminal Justice Department at Wesleyan University and serves on the boards of First Light Child Advocacy Center, Youth for Christ, St. Martin de Porres Center, and Grace House. Mr. Luttrull has trained child abuse prosecutors and investigators at the local, state, and national levels and has lectured for the Indiana Prosecuting Attorney Council (IPAC), Finding Words Indiana, and the National Center for the Prosecution of Child Abuse (NCPCA). James is also the president of the Indiana Child Advocacy Centers Coalition.


Basyle ‘Boz’ Tchividjian, JD

Founder and Executive Director | Professor of Law

Boz Tchividjian founded GRACE in 2003. A former assistant state attorney, Boz served as chief prosecutor in the Sexual Crimes Division where he gained experience in cases involving sexual abuse and later served as the attorney for the Child Advocacy Center in the southern United States. Boz has also spoken extensively on the subject of child abuse including the conferences sponsored by the American Association of Christian Counselors and the General Assembly of the Presbyterian Church of America (PCA). A co-author of Thank You Billy Graham, Boz has also written numerous law journal articles related to the issue of child sexual abuse and is also the author of Protecting Children from Abuse at ChurchCaring for Survivors of Sexual Abuse, and The Child Safeguarding Policy Guide for Churches and Ministries.

In addition to his duties with GRACE, Boz currently serves as a law professor at Liberty University School of Law.

Twitter: @BozT


Emmanuel Tchividjian

Principal, Markus Gabriel Group

Emmanuel Tchividjian is the Principal and owner of the Markus Gabriel Group, an ethics consulting firm. He was a senior vice president and ethics officer at the public relations firm of Ruder Finn in New York City. Prior to joining Ruder Finn in 1997, Emmanuel worked for the Government of Switzerland organizing special media events on the issue of the Swiss banks and the Holocaust.  He is the past president and ethics officer of the New York Chapter of PRSA (Public Relations Society of America.) He is currently a board member of PRSA’s Board of Ethics and Professional Standards and is a member of the Ethics and Compliance Initiative, the national professional association for managers of ethics and compliance programs. He frequently speaks on ethics, public relations, and crisis communication. Mr. Tchividjian has written articles for numerous publications such as Harvard Business Online, PR Week, PR News, and STRIVE Magazine. He has been a guest on CNN/FN, NY1, WGBH, and New England Cable News.

Twitter: @tchivie

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Laura Thien, MSW, LISW-CP

Licensed Independent Social Worker of Clinical Practice

Laura Thien is a licensed social worker in clinical practice at a rape crisis and NCA-accredited Children’s Advocacy Center. She has been working with survivors of child abuse, sexual assault, and other trauma for over ten years in a variety of capacities, including adoptions, foster care, and clinical practice. Much of that time has coincided with advocacy work in the faith community for better prevention, education, congregational care, and collaboration with the child protection community.

Laura has a Master’s of Social Work from the University of South Carolina and is a licensed independent social worker of clinical practice. She is trained in Trauma-Focused Cognitive Behavioral Therapy and EMDR (Eye Movement Desensitization and Reprocessing). She has previously served on the board of directors for a rape crisis center and her state’s Network of Child Advocacy Centers. Laura currently serves on the board for GRACE and her local Sheriff’s Office Citizen’s Advisory Board.

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Victor Vieth, JD

Director of Education and Research, Zero Abuse Project

Victor Vieth is a former child abuse prosecutor who went on to direct the National Center for Prosecution of Child Abuse, a program of the National District Attorneys Association (NDAA). He worked with the NDAA and Winona State University to create the National Child Protection Training Center, which is now a program of Gundersen Health System. Victor has been instrumental in implementing dozens of undergraduate and graduate courses on child maltreatment as well as numerous state and international forensic interview training programs. Victor has published dozens of peer-reviewed works on child abuse and has received numerous awards and honors for his work. Mr. Vieth is the president of the Academy on Violence & Abuse (AVA) and on the board of directors of Sacred Spaces. He is the author of On This Rock: A Call to Center the Christian Response to Child Abuse on the Life and Words of Jesus.