Our Directors
At the San Angelo Cancer Association, we are guided by a dedicated Board of Directors who bring passion, leadership, and a deep commitment to our mission. These individuals come from diverse backgrounds in healthcare, business, community service, and philanthropy. Together, they help shape our vision, ensure transparency, and champion the needs of cancer patients across the Concho Valley.

CAITLIN RITTER
FOUNDING PRESIDENT

ABBY ROLLWITZ
VICE PRESIDENT

SARAH Santellano
SECRETARY

Katie Estes
TREASURER

Lynna Rollwitz
MARKETING CHAIR

Wyatt Huebner
PHYSICIAN LIAISON
Physicians
Our team of trusted physicians plays a vital role in more than just patient care—they also help ensure that every piece of information we share with the public is accurate, evidence-based, and beneficial to the community. These healthcare professionals help us build trust and deliver high-quality resources at every level.

Ashley Arms
MD, MS
RADIATION ONCOLOGY

james Hall
DO
HEMATOLOGY & ONCOLOGY

Colleen Heartsill
MD
ANESTHESIOLOGY