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Treatment Team
Charles Odell Charles Odell
CEO/Executive Director
MSW, Licensed Clinical Addictions Specialist (LCAS). Mr. Odell is responsible for Dilworth Center’s administration and clinical program development. He has worked in chemical dependency treatment for over 25 years, specializing in treatment for adults, young adults, adolescents and families. Mr. Odell has been with the Dilworth Center since 1995.
William Bullock William Bullock
Medical Director
MD, Dr. Bullock is Board Certified in Internal Medicine and Board Certified in Addiction Medicine by the American Society of Addiction Medicine. He is responsible for the Dilworth Center’s medical supervision. Dr. Bullock is a past board member and President of the Diabetes Association of Mecklenburg and Union Counties as well as Chief and President of the Medical Staff at Presbyterian Hospital in Charlotte. He has been with the Dilworth Center since 1994.
Christopher Lord Christopher Lord
Psychiatrist
MD, Dr. Lord is Diplomate of the American Board of Psychiatry and Neurology with added certification in the sub-specialties of addiction and forensic psychiatry. Dr. Lord is responsible for providing psychiatric assessments for each Dilworth Center patient. He has been with the Dilworth Center since 2009.
Margaret Larrea Margaret Larrea
Director Community Outreach and Development
BA, Ms. Larrea is responsible for Dilworth Center’s community outreach and development activities, including enhancing the accessibility of our treatment services for potential patients and their referral sources. She is the former Outreach Services Representative for Caron Treatment Centers and past Director of Graduate and Undergraduate admissions at Queens University. Ms. Larrea has worked in chemical dependency treatment for over 20 years. She has been with the Dilworth Center since 2007.
Tammy Hanson Tammy Hanson
Director of Clinical Services
MSW, Licensed Clinical Social Worker (LCSW), Licensed Clinical Addictions Specialist (LCAS), & Certified Clinical Supervisor (CCS). Ms. Hanson is responsible for the Dilworth Center’s clinical direction, adult & adolescent family and patient caseloads, assessments, patient education and group therapy facilitation. She has worked in the field of chemical dependency for over 10 years, specializing in the treatment of young adults, adolescents and families. Ms. Hanson has been with the Dilworth Center since 2001.
Christina Melber Christina Melber
Clinical Case Coordinator II
BA, Ms. Melber is responsible for case management, intake coordination, community referrals, research and utilization review. She is also responsible for administrative operations and serves as assistant to the Executive Director. Ms. Melber has worked in addictions treatment for over 24 years. She has been with the Dilworth Center since it was founded in 1990.
Margaret Wyche Margaret Wyche
Counselor II
MA, Licensed Professional Counselor (LPC), Licensed Clinical Addictions Specialist (LCAS), Certified Clinical Supervisor (CCS). Ms. Wyche is responsible for adult patient caseloads, patient education and group therapy facilitation. She has worked in chemical dependency treatment since 1990, specializing in the treatment of adults, young adults, adolescents and families. Ms. Wyche has been with the Dilworth Center since 2006.
Cori Trotman Cori Trotman
Counselor II
BA, Certified Substance Abuse Counselor (CSAC). Mr. Trotman is responsible for adult and adolescent patient caseloads, patient education and group therapy facilitation. He has worked in chemical dependency treatment for over 20 years, specializing in the treatment of adults, young adults, adolescents and families. Mr. Trotman has been with the Dilworth Center since 1997.
Diane Frederick Diane Frederick
Counselor I
BA, Certified Substance Abuse Counselor (CSAC). Ms. Frederick is responsible for adult and adolescent family caseloads, patient education and group facilitation. She has worked in chemical dependency treatment since 2003, specializing in working with families. Ms. Frederick has been with the Dilworth Center since 2003.
Vanessa Hosein Vanessa Hosein
Counselor I
MA, Licensed Professional Counselor (LPC), Licensed Clinical Addiction Specialist (LCAS). Ms. Hosein is responsible for adult and adolescent assessments, group therapy facilitation, patient education and CARF Quality Assurance. Ms. Hosein has been with the Dilworth Center, since 2011.
Nancy Willis Nancy Willis
Counselor I
MA Ed., Licensed Clinical Addictions Specialist (LCAS), Certified Clinical Supervisor (CCS). Ms. Willis is responsible for adult patient caseloads, patient education and group therapy facilitation. She is also conducts intakes and admissions. She has worked in the field of chemical dependency treatment for over 25 years. Ms. Willis has been with the Dilworth Center since 2012.
Anne Rick Anne Rick
Counselor II
RN (ret), Licensed Clinical Addictions Specialist (LCAS) (ret). Ms. Rick is responsible for adult, young adult, adolescent and family education. She has worked in the field of chemical dependency treatment for over 30 years, specializing in the treatment of adults, young adults, adolescents and families. Ms. Rick has been with the Dilworth Center since 1998.
Billy Nichols Billy Nichols
Counselor I
BA, Certified Substance Abuse Counselor (CSAC). Mr. Nichols is responsible for adult and adolescent patient caseloads and group therapy facilitation. He has worked in the chemical dependency treatment for eight years, specializing in the treatment of adult men. Mr. Nichols has been with the Dilworth Center, since 2013.
Abier Thorton Abier Thorton
Treatment Facilitator
M.Ed., Ms. Thorton is responsible for the Dilworth Kids program for children, adult family and patient caseloads, patient education and group facilitation. She has worked in chemical dependency treatment since 1998, specializing in working with adults, families and young children. Ms. Thorton has been with the Dilworth Center since 1999.
Colleen Thomas Colleen Thomas
Treatment Facilitator
Ms. Thomas is responsible for adult and adolescent assessments, adolescent patient caseloads, patient and family education and group therapy facilitation. She has worked in chemical dependency treatment since 2011, specializing in the treatment of adolescents and families. Ms. Thomas has been with the Dilworth Center since 2012.
Jordan Tadlock Jordan Tadlock
Treatment Facilitator
BA. Ms. Tadlock is responsible for adult and adolescent family caseloads, patient and family education and group therapy facilitation. She has worked in chemical dependency treatment since 2011, specializing in the treatment of families. Ms. Tadlock is currently a Masters Candidate in Marriage and Family Therapy. She has been with the Dilworth Center since 2011.
Mark Lamprich Mark Lamprich
Treatment Facilitator
MA. Mr. Lamprich is responsible for adult and adolescent caseloads, patient and family education and group therapy facilitation. He has worked in chemical dependency treatment since 2009 and as a pastor since 1995. Mr. Lamprich specializes in pastoral counseling and in the treatment of adults. Mr. Lamprich is currently a Masters Candidate in Social Work. He has been with the Dilworth Center since 2009.
Todd McLean Todd McLean
Treatment Facilitator
Mr. McLean is responsible for adult patient caseloads, patient and family education and group therapy facilitation. He has worked in chemical dependency treatment since 2008, specializing in the treatment of adults and families. Mr. McLean has been with the Dilworth Center since 2012.
David Stone David Stone
Treatment Facilitator
Mr. Stone is responsible for adult and adolescent patient caseloads, patient and family education and group therapy facilitation. He also helps oversee the Drug Testing Program. Mr. Stone has worked in chemical dependency treatment since 2012, specializing in the treatment of adolescents and adults. He has been with the Dilworth Center since 2012.
Katherine Schweitzer Katherine Schweitzer
Clinical Assistant
Ms. Schweitzer has served and an intern and now works as a clinical assistant to the treatment team.
Will Rauddi Will Rauddi
Data & Information Manager
Mr. Rauddi is responsible for automated data collection management, analysis and maintenance of web- based survey system. He is in charge of IT- based solutions, and assists employees in computer training. Mr. Rauddi has been with the Dilworth Center, since 2013.

Making a difference – one patient, one family at a time