Terry Fleming, the director of the Ohio Petroleum Council, is gone.
He quietly retired last week, after 26 years with the organization.
His organization is involved in fighting a proposal by Ohio Gov. John Kasich to increase state taxes on oil and gas extraction.
The Ohio Petroleum Council is the state arm of the national American Petroleum Institute.
State and nation group officials declined to comment on the reasons for and timing of Mr. Fleming's departure, according to Crain's Cleveland Business.
Chesapeake Energy Corp,the Oklahoma-based firm is the No. 1 driller in Ohio.
Rig Count Interactive Map by Baker Hughes, an energy services company.
Shale Sheet Fracking, a Youngstown Vindicator blog.
The Ohio Environmental Council, a statewide eco-group based in Columbus.
Earthjustice, a national eco-group.
People's Oil and Gas Collaborative-Ohio, a grass-roots group in Northeast Ohio.
Concerned Citizens of Medina County, a grass-roots group.
No Frack Ohio, a Columbus-based grass-roots group.
Fracking: Gas Drilling's Environmental Threat by ProPublica, an online journalism site.
Pipeline, blog from Pittsburgh Post-Gazette on Marcellus shale drilling.
Allegheny Front, environmental public radio for Western Pennsylvania.