Inclusion Criteria:  ≥ 6 months since stroke English fluency >= 18 years old executive function deficits present (BTACT z-score based on age must fall between -1.3 and 1.3 SD) capacity of patient to self-consent.  Exclusion Criteria:  severe aphasia (clinical judgement of inability to complete BTACT secondary to expressive/receptive aphasia) severe depression (Patient Health Questionnaire-8 < 15) self-reported dementia diagnosis, (4) contraindications of rTMS such as pacemaker implantation, history of epilepsy, major head trauma or seizures use of pharmacologic agents targeting stroke-related cognitive deficits.  All subjects must be screened for contraindications to TMS before any TMS can be performed. Subjects will be screened for known risk factors for seizure with rTMS using the TMS Adult Safety Screen (TASS) questionnaire.