Thanks to Ed Gragert for this info on the potential candidates:
Rick Mirabito, born in New York, NY, 1956; graduated, North Shore High School, 1974; B.S., Cornell University, 1978; J.D., Boston College Law School, 1989; court counsel, Republic of Palau Supreme Court (1987); law clerk, United States District Judge Malcolm Muir (1989); co-founder and president, Williamsport Landlords Association; owner, Mirabito Properties; unsuccessful campaign, Pennsylvania House of Representatives (2006); elected as a Democrat to the Pennsylvania House of Representatives for the 2009, 2011 and 2013 sessions; appointed, Center for Rural Pennsylvania (2011-2014); unsuccessful campaign for reelection to the House (2014); elected, commissioner, Lycoming County (2016-present). https://en.wikipedia.org/wiki/Richard_Mirabito
Mark McDade: Staff member and negotiator of the Pennsylvania State Education Association, responsible for Berks County. http://www.dailyitem.com/news/psea-representative-interrupts-school-board/article_3be6f678-5cf3-11e5-af77-9374f3dd150f.html
Scott Brion: Scott was a 2014 Democratic candidate who sought election to the U.S. House to represent the 10th Congressional District of Pennsylvania. He ran unopposed in the Democratic primary on May 20, 2014. Scott Brion lost the general election on November 4, 2014.Brion received his degree from the Wharton School of Business at the University of Pennsylvania. After earning his degree, he worked for 20 years in international business. Brion returned to Liberty, Pennsylvania, in 2008 and founded Tioga Resources as an advocate for landowners. https://ballotpedia.org/Scott_Brion
Michael Molesevich was a 2016 Democratic candidate who sought election to the U.S. House to represent the 10th Congressional District of Pennsylvania. Mike is an environmental consultant; established his consulting and contracting services company in 1987, and has over thirty (30) years of diverse energy and environmental experience. Mike is a writer, speaker, and commentator on local radio programs in central PA on energy and environmental issues.
Age: 61 Residence: Lewisburg Master’s degree, energy and environmental policy, Bucknell University. http://www.pahomepage.com/election/your-local-election-headquarters/meet-the-candidate-michael-molesevich-d-10th-congressional/595348424