National Academies of Sciences Engineering, and Medicine
Graduate and professional school students and those who have completed graduate studies (degree awarded) within the last five years may apply. Areas of study may include any social/behavioral science, medical/health discipline, physical or biological science, any field of engineering, law/business/public administration, or any relevant interdisciplinary fields.
https://mirzayanfellow.nas.edu/For other opportunities:
https://scholarships.fatomei.com/NASEM.html