Meet Our Staff

ADMINISTRATION

Bill Anderson, MSW, LCSW

Chief Executive Officer

Bill has over 23 years of experience in behavioral health, beginning at an emergency shelter for teenagers and an acute day treatment program for mental health. He was previously at MARR for 15 years, during which he served as a case manager, primary counselor, Director of Admissions, and eventually as our Director of Business Development. Bill then moved on to serve as Chief Executive Officer for both Blue Ridge Mountain Recovery Center and Sierra Tucson. Most recently, Bill was the Chief Executive Officer of Lakeview Behavioral Health. Bill believes deeply in MARR’s mission and treatment model, and he is committed to leading us as we continue to navigate an increasingly complex treatment field.

Patrice Alexander, MS, LPC

Clinical Director

Patrice has been at MARR for 14 1/2 years. She began her career in 1995 working with adolescents as a mental health technician for the Deveraux Center of Georgia. In 1996, she went on to pursue a master’s degree in counseling from Georgia State University and has since worked in a variety of capacities related to counseling and addiction treatment. Her background includes individual, group, and family counseling, facilitating parenting education groups, conducting research, developing professional presentations for local and national conferences, and providing training and supervision to interning students and other clinicians.

Dr. Richard Waldman, MD

Psychiatrist

Dr. Waldman graduated from the University of South Florida Medical School in 1998. He completed his residency at Emory University Department of Psychiatry in 2002. He is Board Certified by the American Board of Psychiatry and Neurology. He has been working with clients at MARR since 2002 and uses an evidence-based, holistic approach to therapy that integrates body, mind and spirit.

Michael Dorr, MBA

Chief Financial Officer

Michael joined the team at MARR in 2018. Mike received his undergraduate degree in Business Administration from the University of Hartford, later receiving his MBA from Emory University. He brings a wealth of corporate finance experience leading accounting and finance departments working for both for profit and not for profit organizations as well as having business start-up and ownership experience.

ADMISSIONS & BUSINESS DEVELOPMENT

Lauren Davis, MS, LPC

Director of Admissions

Lauren earned her undergraduate degree in Psychology from the University of Georgia, and her master’s degree in Rehabilitation Counseling from Georgia State University. She began her career as a counselor in an inpatient hospital setting, where she worked predominantly with individuals who were suffering from a primary mental health diagnosis. In February 2015, Lauren joined MARR as an admissions coordinator, and has since been promoted to Director of Admissions. Lauren is extremely passionate about helping addicted individuals transition into a life of community, hope, and recovery here at MARR.

Jordan Detweiler, CACI

Clinical Assessment Counselor

Jordan is a Certified Addiction Counselor and has worked at MARR since 2015 as a Residential Assistant, before moving to the position of a Clinical Assessment Counselor. As a MARR alumnus, Jordan has firsthand experience with the effectiveness of the therapeutic community, and understands the importance of facing life’s challenges with spiritual principles. He enjoys the opportunity to be able to help others start the process of recovery and enter into this familiar and highly successful model of treatment.

Kristen Render, LMSW

Clinical Assessment Counselor

Kristen received her undergraduate degree in social work and her master’s degree in social work from the University of Georgia. Her internship background was in providing domestic violence crisis services, adolescent group therapy, and co-occurring substance abuse and mental health treatment. Kristen began working as an Assessment Counselor at MARR in 2016. In her role at MARR, Kristen loves getting to work with individuals and their families to offer education about substance abuse as well as ethical, clinical assessments for treatment. Kristen has a passion for those affected by substance abuse and a drive to connect individuals and their families with treatment for lasting recovery.

Liz McVicker

Director of Business Development

Liz McVicker joins the MARR team with 15 years of experience in management and strategic planning. Most recently, Liz worked in business development at a local treatment program and has developed many strong relationships in the mental health and recovery industry. Liz started her own journey to recovery in 2007. She is passionate about seeing others find the help they need. Her energy, positivity, professionalism make her a valuable member of the MARR family.

Keri Siebrasse

Outreach Coordinator

Keri has recently joined the MARR team with enthusiasm for developing genuine relationships with local providers and experts in the field of Substance Abuse Treatment. Her heart for recovery stems from her own experience in treatment and the value of combined therapeutic and clinical treatment MARR is known for. She brings with her entrepreneurship, a digital marketing background, life experience, and a passion for everyone to be in long-term recovery.

Matt Erwin, CAC II, CAMS

Outreach Coordinator

Matt has been working in substance abuse treatment since 2001, and he joined the staff of MARR in 2010. In 2019, he transitioned from being a part of the clinical staff at our Men's Recovery Center to being a key member of our Business Development Team. He is a Georgia Certified Risk Reduction Instructor and a DBHDD certified clinical evaluator. He is passionate about instilling hope in the hopeless, helping build communities that foster change and growth, and watching clients reunite with friends and family.

WOMEN’S RECOVERY CENTER TREATMENT TEAM

Melisa Alaba, LPC, CPCS

Director of Women's Recovery Center

Melisa is a Licensed Professional Counselor, Certified Professional Counselor Supervisor, Life Coach, Certified Anger Management Specialist, and is near completion of her Master Addiction Counselor certification. Melisa has over 20 years of experience treating clients with substance abuse and mental health disorders, including professionals, youth, and families from diverse backgrounds. In addition to her clinical experience. Melisa is a business consultant, writer, author, speaker and advocate. Melisa is thrilled to join the team at the Women’s Recovery Center where she will continue to make an impact on helping women live their best lives.

Courtney Robbins, CACII

Primary Counselor

Courtney has been at MARR for 15 years. She specializes in women’s issues, shame resilience, relapse prevention, and aftercare services. She is passionate about de-stigmatizing addiction and helping people in recovery come to love and accept themselves as the compassionate, intelligent, and creative individuals that they are. She educates women about the cycle of shame and invites them into the freedom of feeling more at home with themselves and more at ease in relationships with others.

Talitha Klingberg, LCSW

Day Treatment Counselor

Talitha first discovered a passion for working with individuals impacted by addiction when supervising a house for women. Since joining MARR in 2015, she has worked with the Right Side Up program and now at the Women’s Recovery Center. She works with individuals in MARR’s Professionals’ Program that need substance abuse treatment and advocacy for licensures. Talitha is passionate about helping women discover their ability to make positive change in their own lives.

Natasha Kyle-Vitonis, MS

Day Treatment Counselor

Natasha received her bachelor’s degree in psychology from Kennesaw State University, and her master’s degree in Clinical Counseling Psychology from Brenau University. Natasha’s clinical interests include 12-step Recovery and Dialectical Behavior Therapy skills. Natasha is also trained in the evaluation, administration, scoring, and interpretation of cognitive and personality assessments. She brings a gentle and empathic approach to group and individual therapy, and is passionate about helping women discover new coping skills in order to deal with uncomfortable emotions and make peace with their genuine selves

Dannie McAdams, RN, BSN

Registered Nurse

Dannie has over 23 years of nursing experience, specializing in ER/Trauma and Critical Care), and over 1 1/2 years in Substance Abuse Treatment. She helps clients with health awareness and management, self-care, and overall physical well-being, and works with the clinical staff to develop an individualized care plan for each client. She is passionate about helping clients be present in each moment and helping them realize they they are not alone in the recovery process.

MEN’S RECOVERY CENTER TREATMENT TEAM

Doug Brush, CACII

Director of Men’s Recovery Center

Doug is a member of the National Association of Alcohol and Drug Addiction Counselors (NAADAC), and has served as a board member of the Georgia Council on Substance Abuse (GCSA). Since 2002, he has served as Chairman of the Ethics Committee for Georgia Addiction Counselors Association (GACA). Doug is also the Chairperson for the Standards Committee for the Georgia Association of Recovery Residences (GARR). For more than 30 years, Doug has served MARR in a variety of positions, including CEO, and is currently the Director of the Men’s Recovery Center.

Dave Devitt, MA, LPC, Ed. S in Counseling Psychology

Primary Counselor

Dave has worked in substance abuse for 27 years, 22 of those being here at MARR. He works with our Professionals’ Program and leads a group called “Thinking About Your Thinking.” Dave enjoys seeing clients shift their perception of themselves as the effects of active addiction abate over time. He considers it a privilege to watch good people discover the joy of a clearer mind and a less burdened heart.

Robert Day, MA, LPC

Primary Counselor

Bob started as an intern at MARR in 2014 and then moved into the role of Primary Counselor after completing his degree at Richmont Graduate University. He specializes in breaking down denial in young adult clients and integrating counseling and spirituality. He uses a collaborative, non-judgmental, insight-oriented approach that helps clients connect how their past traumas, relationships, and experiences have molded how they interact with their lives in the here and now. He is passionate about helping people reconnect with their values and with one another.

Rick McKain, MA, MS in Counseling, LPC, MAC

Professionals' Liason

Rick has been working as a Counselor since 1988, and he has been at MARR since 1993. He is a certified Relapse Prevention Specialist and a member of the Society for the Advancement of Sexual Health. He specializes in working with men’s issues and sexual compulsivity. He started our “Building Better Relationships” group in 1996. He is passionate about seeing men connecting with each other in recovery and seeing the benefit in becoming emotionally honest, vulnerable, and demonstrating willingness.

Mark Anderson, MS, NCC

Primary Counselor

Mark joined the team at MARR in 2018. He is passionate about helping individuals who struggle with addiction to move past their shame and guilt, to help them reach out and (re-)establish genuine human connections. He creates a collaborative partnership with each client and walks with them as they embark on their journey of recovery. Mark believes deeply in the power of connection through the therapeutic community, individual and group therapy, and participation in a 12-step program.

Todd Valentine, LCSW

Residential Manager/Men's Alumni Coordinator

Todd has 15 years of clinical experience in the field of addiction, and he has been at MARR since 2006. He specializes in the integration of mindfulness, and he is passionate about helping men find joy in recovery and practice vulnerability that brings them out of isolation and into community. Todd leads clients in mindfulness practices, guided meditations, and recreational activities to reconnect with their bodies and learn to recognize emotions.

William Atkins, MA, LPC, CRC

Residential Manager

Will has been at MARR since 2013. His areas of focus include existential focused counseling, facilitating change within the therapeutic community, and vocational counseling. He is passionate about the role that community plays in recovery and he focuses on assisting clients in recognizing, experiencing, and expressing their emotions to their therapeutic community. He hopes to assist clients in finding meaning and purpose in their lives as they begin their personal journey towards recovery.

Marcedes Holliday, RN

Nurse Manager

Marcedes has 13 years of nursing experience, including ER, home health, substance abuse, and psychiatric. She works to ensure that clients have proper health evaluations, testing, and medication. She is passionate about helping others to reach their health and wellness goals, and she works to develop warmth and trust with each client.

FAMILY COUNSELORS

Millicent Parker, MS, LPC, M. Div

Family Program Coordinator

Millicent has been at MARR for 11 years, six of those as a Family Counselor. She is passionate about supporting, guiding, and at times challenging clients and families as they take ownership of who they are and the life that they experience. She encourages others to tell their story, and walks with them to identify the changes that need to be made in order for them to cultivate a healthier way of being.

Beverly Burns, EdS, LPC

Family Counselor, Women’s Recovery Center

Beverly has been in the counseling field for 14 years. She joined the MARR team again in 2018 after previously being here for 8 years. She is passionate about helping family members find hope in the midst of a loved one’s addiction. She works towards shifting the focus of family members in order to help them realize how the disease of addiction is affecting them. She helps them accept their own powerlessness but also take healthy and purposeful steps towards their own recovery.

FUND DEVELOPMENT & ACCOUNTING

Julie Shields

Manager of Donor Relations

Julie joined MARR in 2018 following 13 years of corporate sales experience. She enjoys helping donors identify and match their passion with opportunities that help people in their recovery journey. Julie plans and orchestrates events like our Annual Golf Tournament and our Celebration of Recovery Banquet, as well as overseeing our Annual Campaign.

Tamara Whisnant

Billing Administrator

Tamara joined the MARR team in 2016, but she has been in the accounting and finance field for 28 years. She makes the financial process as simple as possible for families with a loved one coming into treatment. Tammy is one of the first people that new clients see when they are starting treatment, and she is also one of the last people they see when they discharge. She loves seeing the transformation that happens in clients.

Candace Verdin

Controller

Candace has worked at MARR since 2014, and she is an invaluable part of our Accounting Team. During her time here, she has developed a new perspective on addiction. She has grown to really care for MARR’s mission of bringing lasting, total recovery.