His main research is focused on treatment of older patients with cancer especially older patients with gastrointestinal cancers. He is interested in improving quality of care, and symptom management of older cancer patients. Moreover, he has devoted his time to test novel communication and monitoring technologies to avoid hospitalization and emergency department visits by older patients with cancer. He is a member of American Society of Clinical Oncology, American Geriatric Society, International Society of Geriatric Oncology, and International Society of Gerontechnology.