RecruitingBehavioural interventionC-SMART vs BE Well for Patients With Brain TumorsThe goal of this clinical trial is to learn about the acceptability and feasibility of Cognitive Strategies, Mindfulness, and Rehabilitation Therapy (C-SMART) and Brain health Education and Wellness (BE Well) in adults with brain tumors and their caregivers. Participants will be assigned to one of the two groups: * Cognitive Strategies, Mindfulness, and Rehabilitation Therapy (C-SMART) is a recently developed virtual intervention combining both cognitive rehabilitation with mindfulness meditation training. The manualized program consists of 8 weekly 1:1 tele intervention sessions, targeting cognitive weaknesses identified from baseline cognitive testing. * Brain health Education and Wellness (BE Well) intervention consists of 8 weekly videos focused on maximizing brain health in the context of brain tumor. Participants will also be asked to: * participate in two in-person visits involving an MRI and neurocognitive tests * complete a survey the the beginning and end of the study * if in BE Well group, answer a few questions after watching each video