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Meet Our Staff

Dr. PellackDr. Pellack, PhD, LPC, CSAT – Clinical Director

Dr. Pellack earned his doctorate from Indiana University, Bloomington. David’s dissertation focused on characteristics that predict patient program compliance for chronically homeless mentally ill individuals, many of whom had issues with drug and / or alcohol abuse. David recently became EMDR certified and incorporates this into the intense trauma work we do at KeyStone. While at IU, David did an extended practicum at the Kinsey Institute where he worked with clients with a variety of sexual issues and received training on numerous treatment modalities. As a Kinsey intern, David also co-facilitated a weekly group for transgendered individuals. David completed his internship at the Syracuse Veterans Administration hospital where he focused his training on traumatized veterans in hospice. David has over 15 years of experience working with traumatized children and their families in foster care and psychiatric community residences.

Family Therapists:

Karen MartinKaren Martin, MA, LMFT, CSAT, EMDR trained

Karen Martin, an MA in counseling from the University of Connecticut 1981, has been working with the KeyStone Center ECU for over 9 years. As the KeyStone’s Family Therapist, she works with adults, adolescents, dual diagnosis population and their family’s on a daily basis. Karen previously worked as the Program Coordinator for the IPR Program which treats co-occuring disorders. Karen’s training is in couples and family therapy with a special interest in trauma.


NancyNancy Roberts Willis, M.S.W., LSW, CP

Nancy Roberts Willis, M.S.W.,LSW, CP, is a licensed social worker in Pennsylvania and a certified practitioner in psychodrama by the American Board of Examiners in Psychodrama, Sociometry and Group Psychotherapy. She facilitates groups at KeyStone Center ECU for sexual addiction, KeyStone Center for alcohol, drug and gambling addiction, and at the Renfrew Center for eating disorders. Nancy also facilitates a weekly outpatient psychodrama group at OATS Counseling Services. She maintains a private psychotherapy practice and has a special interest in women’s issues, trauma, and couple and family healing.

Art Therapist:

ToniAnnToniAnn Eisman, MA, ATR-P, CAADC

ToniAnn ‘Toni’ Eisman, MA, ATR-P, CAADC, is a graduate of Drexel University’s program in Art Therapy and Counseling. She is provisionally registered as an art therapist through the Art Therapy Credentialing Board, and has earned her certification as an advanced alcohol and drug counselor through the Pennsylvania Certification Board. She has previously worked in inpatient psychiatric care, dual-diagnosis populations, and medical settings as a creative arts therapist. At the Keystone Center ECU, she facilitates group therapy utilizing the creative process, as well as work with individual clients within the program. While not at the Keystone Center, she additionally facilitates group therapy at the Renfrew Center for patients presenting with disordered eating.

Recovery Counselors:

Paul GrewayPaul Greway

Paul Greway has worked in the Addiction field for the past thirteen years and has been employed at ECU for the past eleven years. During his tenure here, Paul has acquired a great deal of knowledge and understanding which serve him well in introducing the program to potential referral sources and in supporting potential clients. Paul facilitates groups on offending behaviors, addiction and trauma, relapse prevention and education groups on the twelve steps of recovery and the recovery process.

Other Clinical Staff:

Cephus RichardsonCephus Richardson

Cephus Richardson is an addiction counselor at the KeyStone Center ECU and is currently completing his MSHS. He is passionate about helping those in recovery and being a part of the KeyStone Center team. Cephus considers it a priority, and has a natural ability, to make meaningful connections with clients while furthering their recovery.

Robert RyanRobert Ryan, MSS, LCSW, MBA

Robert Ryan, MSS, LCSW, MBA is a licensed clinical social worker who graduated from the Bryn Mawr Graduate School of Social Work and Social Research. He also has a certificate in Cognitive Behavioral Therapy. Bob’s passion and expertise is in the connection between childhood trauma, the brain, and addiction, a topic he presents monthly to clients. He also facilitates the Sunday morning relapse prevention groups which focus on rationalizations, the Personal Craziness Index, the Three Circles of SAA, and High-Risk Factors. Bob brings a great deal of knowledge, understanding, and compassion to clients of the Keystone ECU program. When Bob is not at Keystone, he provides individual outpatient therapy services to disadvantaged individuals with mental illness at a local community health agency.

Marc TreanorMarc Treanor, M.Ed., CAAP, ASAT-Candidate

Marc Treanor has 15 years of experience working with addicts to find recovery from drugs, alcohol, and compulsive sexual behaviors. He was originally from NY, and he came to the area to get a bachelor’s degree from the University of Delaware. He then earned a master’s degree from Wilmington University and went on to teach high-risk students in a variety of settings for over 20 years. Since 2017, he has worked at the ECU as a recovery counselor and the intake coordinator. As the intake coordinator, he is committed to help those struggling with sex addiction find appropriate treatment, so they may have healthy relationships and fulfilling lives.​ Contact Marc here: [email protected]