Dr. Martínez-Hernández earned his BS and MS degrees in chemistry at the University of Puerto Rico–Mayagüez and graduated with a PhD degree in chemical education from Purdue University. After graduation he took a postdoctoral position in nanotechnology education at the Interdisciplinary Education Group of the University of Wisconsin–Madison’s Materials Research Science and Engineering Center. While there he developed nanotechnology educational materials as well as general science education curricula, outreach programs, and classroom activities. In addition, he has been a committed leader for several years within the Society for the Advancement of Chicanos and Native Americans in Science (SACNAS). Dr. Martínez-Hernández is currently an assistant professor of chemistry at St. John Fisher College, where he teaches general chemistry classes and organizes differentiated instruction and problem-based learning workshops for teachers.