On December 7 and 8, 2020, the Roundtable on Black Men and Black Women in Science, Engineering, and Medicine of the National Academies of Sciences, Engineering, and Medicine convened a virtual workshop that examined how to strengthen mentoring and advising of Black students and professionals in science, engineering, and medicine. Presenters included faculty deans, social scientists who are experts in organizational and professional development, and program implementers. Throughout the workshop, individual presenters highlighted evaluation criteria used by successful pipeline programs, including statistics on recruitment, retention, and advancement; career and leadership accomplishments; and awards and publications. This publication summarizes the presentations and discussions of the workshop.