Salmon Creek — Bob Serdar, an account manager with GlaxoSmithKline Pharmaceuticals in Vancouver, is spending the first six months of this year volunteering in Philadelphia for the nonprofit Philadelphia Education Fund. He was matched with the Fund through PULSE, a skill-based volunteer GSK program called PULSE. His focus is helping urban Philadelphia schools strengthen their STEM (Science, Technology, Education and Math) programs and in particular helping the schools support and retain STEM teachers in training.