Dr. Dian He moved to the greater Philadelphia area after receiving his PhD in organic chemistry from The Ohio State University in 2008. Currently he works as an associate professor of chemistry at Holy Family University in northeast Philadelphia. He is responsible for the instruction of general chemistry and organic chemistry in the PMED program. Besides teaching, Dr. He also enjoys manipulating proteins, DNAs and ligands in virtual spaces and watching them interacting with each other using molecular dynamics.

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Dr. Douglas Vallette is an adjunct professor of physics in Drexel University's PMED program. Dr. Vallette received his BS in physics from Drexel University in 1989 and he is happy to be giving back to his alma mater! He received his PhD in physics from the University of Pennsylvania in 1997, where he studied pattern formation in nonlinear dynamical systems. Since his university education, he has taught high school physics and has become involved in developing effective professional development for physics and physical science teachers. This included workshops for physics teacher through the Modeling Instruction program, an inquiry-based approach to physics education. He has also worked in collaboration with the 21st Century Partnership for Stem Education under a USAID grant to develop a new STEM school system for high school students in Egypt. Most recently, a subsequent grant has included the development of new inquiry-based courses of study for training future science teachers in the Egyptian state university system. He enjoys finding relevant ways to make science practical for the students in his classroom and currently teaches the introductory in-person Physics 1 and Physics 2 classes.

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