Our Staff

Meet the kind and compassionate members of our staff who are devoted to helping you on your path to recovery.

WDR - Allenwood Staff

Thomas J. Callahan, MA, LPC, CAADC, CCS
Regional Vice President, Executive Director
Jeffrey Thomas- MHS, LPC, CAADC
Chief Executive Officer
Mary Frey
Director of Admissions
Donna Bookhammer, CADC, CCDP, ICADC, CTRTC
Director of Clinical Services
Barclay Wilson, D.O
Medical Director
Kieran Pelletier, RN, BC
Chief Operating Officer

WDR - Lancaster Staff

Carla Colflesh, MS.Ed.
Regional Director- Lancaster, Mt Zion, and York Programs
Arielle Shepro
Regional Program Manager- Lancaster, York, Lehigh, and Lebanon Programs
Jeffrey Yocum, D.O.
Medical Director- Lancaster, York, Lebanon, and Lehigh

WDR - Lehigh Staff

Charles Dixon, LSW, CADC
Clinical Director
Inge Tusing, MSCP, MBA, NCP
Program Director
Muhamad Aly Rifai, M.D.
Medical Director/Director of Psychiatry

WDR - New Perspectives

Art Franklin, MS, JD
Campus Director
David Root, MA
Clinical Director

WDR - Pittsburgh Staff

Christine O'Leary
Facility Director

WDR - York Staff

Carla Colflesh, MS.Ed.
Regional Director- Lancaster, Mt Zion, and York Programs