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

AVAILABLE POSITION

AVAILABLE POSITION