SME Chapters in Pennsylvania An (*) next to the name of the chapter listing indicates previous year information. For those chapters not showing a chapter chair, please contact SME Membership for further information at membership@sme.org or 800.733.4763. Note: The use or release of an SME member's contact information, for commercial purposes, is contrary to SME's policy and is prohibited. Professional Greater Lancaster Chapter 89Lewis Baum, CMfgE717.939.7732 | Email Philadelphia Chapter 15Robert Ellenberg215.285.3551 | Email Pittsburgh Chapter 8Dave Bastl724.863.6304 | Email York Chapter 22Thomas Yingling 717.880.2291 | Email Student Drexel University S058(Sponsor: Philadelphia Chapter 15)Yalcin Ertekin, PhD, CMfgE 260.804.2496 | Email Pennsylvania State University – University Park Campus S084(Sponsor: Pittsburgh Chapter 8)Jingjing Li, PhD814.863.1300 | EmailThaddeus Stevens College of Technology S288(Sponsor: Greater Lancaster Chapter 89)William Chambers Jr.717.299.7697 | Email