Vicki Trebian – President and CEO

Vicki Trebian has been with the agency since 1990.  She has extensive experience in program management of both residential and outpatient services for correctional clients. She has been part of the implementation of numerous treatment courts, day report centers and new residential treatment centers throughout the State. Ms. Trebian received her B.S. in Psychology/Social Welfare from UW-Madison, and her M.S. in Criminal Justice from UW-Platteville. She has been a Certified Social Worker in the State of Wisconsin since 1992. She sits on the Board of Directors for the Wisconsin Council of Community Corrections and International Community Justice Association (ICJA).

In her role as President/CEO, Vicki provides mission-based leadership and strategic governance for the Agency. She provides general oversight of all agency activities and assures a smoothly functioning, efficient organization. Vicki assures program quality and organizational stability through development and implementation of standards and controls, systems and procedures, and regular evaluation. She promotes a work environment that recruits, retains and supports quality staff and interns. She oversees the process for selecting, development, motivating, and evaluating staff and volunteers.

Vicki will recommend staffing and financing to the Board of Directors and approval of the annual agency budget. In accordance with Board actions, she recruits personnel, negotiates professional contracts, and sees that appropriate salary structures are developed and maintained. Vicki listens to clients, staff, funders, and the community in order to improve services and generate community involvement. She assures community awareness of agency’s response to community needs through attendance at meetings and correspondence.

Mark Wakefield – Vice President of Operations: Southern Region

Mark Wakefield has been with the agency since 2000, and has served as Vice President of Operations (VPO) since 2018. Prior to his tenure as VPO, he served 12 years as the Development and Quality Assurance Officer for the agency. Mr. Wakefield is a Licensed Professional Counselor. He holds a Master in Business Administration (MBA) from George Mason University and a Master’s degree in Community Counseling from Lakeland College.

His clinical work in the community is primarily with people who have committed sexual assaults, but he also has facilitated programs in domestic violence, substance misuse, cognitive restructuring, anger management, and mindfulness-based cognitive therapy. He has provided clinical services to correctional clients in outpatient, residential, and institutional settings. Mark implements current best practices such as motivational enhancement techniques, cognitive-behavioral therapy, trauma-informed care, wellness practices, and a team approach to treatment in an effort to provide superior results to clients and the community. He has written a book for survivors of sexual assault (The Healing Spiral) and hosts the traumahealingspiral.com website.

Shawn Yeager – Vice President of Operations: Northern Region

Shawn Yeager has over seventeen years of experience providing services to a diverse range of populations. Prior to his tenure as Vice President of Operations, he served for ten years as the Wausau Area Supervisor, where he was responsible for overseeing seventeen contracts and forty employees. Shawn is also part of the Motivational Interviewing Network of Trainers (MINT) and has trained ACS staff in MI since 2014.

Shawn earned a Bachelor of Arts Degree in Sociology with an emphasis in Criminology from Northern Illinois University, and will graduate with an MBA from the University of Wisconsin-Madison in 2023.

Tiffany Walker – Clinical Services Director

Tiffany Walker has been with the agency since 1993. Prior to serving as Clinical Services Director, she was the Vice President of Operations, Southern Region, for 11 years. Over her tenure with the agency, Tiffany has also served as Mental Health Consultant, Program Services Director-Southern Division, Area Supervisor, Clinical Supervisor, and Sex Offender Treatment Specialist. Prior to working with the agency, she worked in Arizona as a Residential Therapist for sexually abused girls, the Arizona Department of Economic Security (Child Protective Services), and the Wisconsin DOC as a Social Worker. Additionally, she completed a one year internship with the VA providing therapy to veterans and their families. For five years, Tiffany served on the Board of Directors for the Wisconsin chapter of the Association for the Treatment of Sexual Abusers (ATSA).

Tiffany is a LCSW and holds a Bachelor’s degree in Social Work with a minor in Criminal Justice (BA), a Master’s degree in Social Work (MSW), with an emphasis in mental health and a certification in trauma counseling. She specializes in the treatment of men who have committed sexual offenses, domestic violence treatment, mental health, and trauma counseling.

Shelly Goad – Administrative Operations Manager

Shelly Goad has been with the agency in the Administration Department since 1996. Under supervision of the President/CEO, she oversees the Administration Department; which includes Human Resources, Recruiting, Payroll, Accounting, annual fiscal and benefit audits, and IT. Shelly also serves as Secretary for the agency’s Staff Advisory Committee. While maintaining her duties in administration, Shelly completed required CBRF training and served as a fill-in Behavioral Support Specialist in the Madison Residential programs. This experience has proven helpful to her in applying direct service knowledge to her Administrative duties.

Todd Vieth – Residential Program Director

Todd Vieth has been with the agency since 1991 and has been Residential Program Director since 2007. Mr. Vieth holds a Bachelor of Science in Psychology from the University of Wisconsin – Stevens Point. Mr. Vieth has extensive experience in case management and group facilitation. With decades of experience providing individualized, trauma-informed, multidisciplinary services to correctional clients, Mr. Vieth emphasizes comprehensive care at each point of service delivery. 

He has specialized training in all aspects of residential care; including Cognitive Interventions Program training, Motivational Interviewing, Trauma-Informed Care training, CBRF Licensure Standards, Working with the Involuntary and Resistive Client, and de-escalation techniques. Mr. Vieth is certified to instruct Cognitive Group Intervention Program (CGIP) Phases I and II, as well as Thinking for a Change. He is also a member of the International Community Justice Association (ICJA).