Radiation Therapy Oncology Group (RTOG)
1818 Market Street, Suite 1600
Philadelphia, PA 19103
215-574-3219 or 800-227-5463, extension 4219

Elizabeth O’Meara, BS, RT(R)(T)
Senior Director, Radiation Oncology Services

Phone: 215-574-3209
Fax: 215-923-1737
E-mail: eomeara@acr.org

James M. Galvin, D.Sc.
RTOG Group Physicist

Phone: 215-574-3219
Fax: 215-923-1737

Theresa Powell
Associate II to Elizabeth O'Meara

Phone: 215-940-8903
Fax: 215-923-1737
E-mail: tpowell@acr.org

Tammy McGlade
Data Assistant & Credentialing

Phone: 215-574-3219
Fax: 215-923-1737
E-Mail: tmcglade@acr.org

Ying Xiao, Ph.D
RTOG Core Lab Physicist

Phone: 215-574-3219
Fax: 215-923-1737        

Yunfeng Cui, Ph.D.
Physicist

Phone: 215-574-3219
Fax: 215-923-1737

Wenzhou Chen, Ph.D
Physicist

Phone: 215-574-3219
Fax: 215-923-1737

Denise Manfredi, AS, RT(T)
Assistant Director of RT Quality Assurance – Brain, CCOP

Phone: 215-717-2755
Fax: 215-923-1737
E-mail: dmanfredi@acr.org

Joanne Hunter, BS, RT(R)(T)
Dosimetrist – GU

Phone: 215-574-3222
Fax: 215-923-1737
E-mail: jhunter@acr.org

Nancy Linnemann, BS, RT(R)(T)
Dosimetrist – H & N

Phone: 215-717-0853
Fax: 215-923-1737
E-Mail: nlinnemann@acr.org

Julie McIlvaine, RT(T)
Dosimetrist – Multiple Sites

Phone: 215-574-3229
Fax: 215-923-1737
E-mail: jmcilvaine@acr.org

Jennifer Presley, RT(R)(M)(T), ARRT
Dosimetrist – Lung

Phone: 215-574-3153
Fax: 215-923-1737
E-Mail: jpresley@acr.org

Sue McNulty, BS(R)(T), CMD
Dosimetrist – Breast, GI, GYN

Phone: 215-940-8907
Fax: 215-923-1737
E-Mail: smcnulty@acr.org

Anna Pursel, RT(T)
Dosimetrist – GU

Phone: 267-940-9410
Fax: 215-923-1737
E-Mail: apursel@acr.org