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Making Recovery Possible

Meet Our Staff

Aldie Counseling Center has built a reputation for compassionate service at every turn. Our staff has a strong diversity of educational background, experience, training, and approaches to substance use disorder treatment. This diversity has strengthened our commitment to helping people of all cultural and socioeconomic backgrounds whose lives have been affected by alcohol and other drugs.


Chief Executive Officer
Gerald Birkelbach, MRP, ACBC
Chief Financial Officer
Stephanie Farley, CPA, MBA
Clinical Director
Sharon Rosenthal, LPC, NCC, CTTS

Medical Staff

Medical Director
Eugene Zenone, M.D.

Medical Doctor
Martin Getzow, M.D.

Doylestown Nursing
Ingrid Ziskind, PN, Director of Nursing Services

Nicole Eufer, RN Dispensing Nurse

Lisa Starner, LPN, Dispensing Nurse

Langhorne Nursing
Christina Grauwickel, LPN Director of Nursing Services

Katty Jean-Laurent, PN, Dispensing Nurse

Mary Kamu, RN, Dispensing Nurse

Business & Fiscal Administration:

Business Office

Rose Chomik, Human Resources Manager

Billing Specialist
Devika Kumar

Fiscal Manager

Michelle Keyte

Fiscal Assistant
Jennifer Sharp
Patrick Leposki

Karen Schneider, CPA

Doylestown Staff

Counselors & Therapists:

Robert Dunning, B.S., CAC, C.C.D.P.

Natalie Metzger, M.S., LPC

Renee Perrette, M.A.

Nicole Cangelose, M.A.

Lyndsey Witmer, M.A.

Jennifer Watson, M.A.

Jennifer Cunnane, M.A.

Ryan Killions, M.A.

Kiara Peralta, M.A.

Emily Sjogren, M.A.

Assistant Clinical Director

Christiana Mastrominas, MSW, LCSW

Receptionists & Clerks:

Kelly Kurtz

Janice Winthers

Assessment Counselors:

Melissa B. Cashman, M.S.

Client Engagement Services:

Rachael Heiser, CRS

Tina Hillard - Assessment Assistant

Langhorne Staff

Counselors & Therapists:

Marcy Abhau, M.A.

Kristina Callahan, M.S., LPC

Virgina Clarke, M.S.

Stephanie Szcepanski, M.S.

Lisa Barrett, M.A.

Kelly Pierce, M.S.

Michael Kowalski, M.A.

Mark Ross, M.S.

Jessica Supperer, M.S.

Gina Kilderry, M.S.

Gregory Snook, M.A., NCC, LPC

Aminata Konneth, M.S.

Sharon Muse, M.A.

Michael Kowalski, M.A., LMFT

Alyssa Horn, M.A.

Assistant Clinical Directors:

Suzanne Dorfman, M.Ed., LPC
Jenna Kemps, M.A., NCC

Receptionists & Clerks:

Kimberly Belmont

Regina Richardson

Erica McLean

Shaminga Davis

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