Officers

President

Sid Roberts, MD, FACR
sroberts@memorialhealth.org 
Phone: (936) 639-7466

President Elect

Michael McCarthy, MD, FACR
mccarthym@uthscsa.edu
Phone: (210) 567-6488

First Vice-President

I. Ray Kirk, MD, FACR
irmackirk@mac.com
Phone: (713) 757-7467

Second Vice-President

Tilden Childs, MD, FACR
tchilds@ratc.com
Phone: (817) 255-1859

Secretary

MaryAnn Mullican, MD, FACR
mary.mullican@utsouthwestern.edu
Phone: (214) 645-4220    

Silva small
Treasurer

Ezequiel Silva, III, MD
zekesilva3@gmail.com
Phone: (210) 616-7796

Immediate Past President

Greg Karnaze, MD, FACR
gk@ausrad.com
Phone: (512) 795-5100

Chief Councilor

Stephen Brown, MD
sbrown@austincancercenters.com
(512) 531-5200

Radiation Oncology Section Chair

Thanh Nguyen, MD
thanh.nguyen@usoncology.com
Phone: (817) 597-7900

Medical Physics Section Chair

Carl Keener, PhD
keener@marpinc.com
Phone: (210) 227-1460

Historian

Peter Riesz, MD                               pbriesz@suddenlink.net                   Phone: (361) 575-4600