The Center for Faculty Educators presents this Medical Education Grand Rounds featuring our recent learners presenting their Master's Projects: Ilana Krumm, MD on Co-constructing shared professional vision for invisible domains of scrutiny: The case of physicians bringing forth the pleural space in thoracentesis instruction. The Master's program is a collaboration between UCSF and the University of California, Berkeley, Berkeley School of Education. The program prepares individuals in the research methodologies needed to undertake research studies in health professions education. Students receive mentoring from faculty in the UCB Berkeley School of Education and faculty in the UCSF Center for Faculty Educators.