Tom Murphy, Co-Director Penn State Marcellus Center for Outreach and Research provides info on oil and gas executives flying $50 million Gulfstream jets into Williamsport Airport. Tags: Tom Murphy Penn State Gulfstream 5 Michael Krancer PER Marcellus Shale Advisory Commission LT Gov. Jim Cawley Oil and Gas Dutch Shell Exxon Cabot Chesapeake Energy Columbia Gas Penn State Wilkes University Range Resources Consol Energy Chesapeake Bay Foundation Chamber of Commerce.