The authors thank Ms. Jennifer Daly for administrative and editorial assistance and Ms. Karen Ball for administrative assistance. We also thank Liza Cariaga-Lo, Laura Liscum, and Elizabeth Solomon for their roles as group facilitators. The authors are indebted to all of the trainees who attended the 2014 NEST Retreat and made this report possible by sharing their views. The report was assembled by and represents the interpretation of the authors. This article and the NEST Retreat were supported by the National Institute of General Medical Sciences of the National Institutes of Health under award numbers R13GM106577 and R25GM083270 to A.G.C., 5R25GM58904 to C.H., R25GM076321 to R.S., 2R25GM055353-13 to I.K., and T32AI007077 and R25 GM066567 to H.W.