Mays Cancer Center senior leadership


Patrick Sung, DPhil

Interim Director, Mays Cancer Center; Director, Greehey Children’s Cancer Research Institute


Mark Bonnen, MD



Tim H.M. Huang, PhD

Deputy Director


David Guis, MD, PhD

Associate Director, Translational Research


Robin Leach, PhD

Associate Director, Education


Daruka Mahadevan, MD, PhD

Associate Director, Clinical Research


Susan Padalecki, PhD

Associate Director, Research Administration


Amelie Ramirez, DrPH

Associate Director, Community Outreach and Engagement


Luzhe Sun, PhD

Associate Director, Basic Research


Daohong Zhou, MD

Associate Director, Drug Development




Andrew Brenner, MD, PhD

Co-leader, Experimental and Developmental Therapeutics


Sandeep Burma, PhD

Interim Co-leader,Cancer Development and Progression


Pratap Kumar, PhD

Co-leader, Population Science and Prevention


Manjeet Rao, PhD

Co-leader, Experimental and Developmental Therapeutics


Gail Tomlinson, MD, PhD

Co-leader, Population Science and Prevention


Ratna Vadlamudi, PhD

Co-leader, Cancer Development and Progression




Josh Asper, PA-C

Vice Chair, Clinical Operations, Radiation Oncology


Mark Bonnen, MD

Physician-in-Chief Chair, Radiation Oncology


Ramon Cancino, MD

Lead, Oncology Primary Care


Angela Crowder, RN, BSN

Director, Practice Operations, Infusion Center


Marsha Kinney, MD

Chair, Pathology


Daruka Mahadevan, MD, PhD

Chief, Hematology/Medical Oncology


Roseanna Martinez, MPH

Director, Practice Operations, Patient Access


Jeanie Paradise

Director, Patient and Family Services


Alexander Parikh, MD, MPH, FACS, FSSO

Chief, Surgical Oncology


Mary Salazar, MSN, APRN-BC

Director, Oncology Patient Experience


Sherry H. Sorensen DNP, RN, OCN, CPHQ, NEA-BC

Senior Director, Practice Operations, Clinic and Infusion


Rajeev Suri, MD, MBA, FACR, FSIR

Chair, Radiology


Gwen Tate, MBA, MSN, RN, NEA-BC

Chief Nursing Officer




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In the 2022 issue of Mays Cancer Center Annual Report

What does the cancer journey look like? One depiction is a mosaic — a composite of the thousands of patients, family members and friends, caregivers, physicians, providers and researchers who have joined the battle to end cancer so that every cancer journey can become a survivor story. At the Mays Cancer Center, we strive every day to find new therapies, to increase the diversity of participants in our clinical trials and to expand rehabilitation opportunities to more patients, because we know that every cancer journey gives us all a reason to fight.

View the 2022 issue

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