Susan F. Tierney, former assistant secretary for policy at the U.S. Department of Energy, has joined The Economics Resource Group, Inc. as a managing consultant.
UGI Corp. has hired William D. Katz as v.p.-corporate development. He succeeds R. Paul Grady, now v.p.-sales/
operations of UGI's AmeriGas Propane subsidiary.
Stephen D. Chesebro', Tenneco Energy's CEO, was promoted to chairman. Edward J. Casey, Jr. joins the company as president and COO. (Chesebro' also chairs the Gas Industry Standards Board.)
The Interstate Natural Gas Association of America Foundation elected John R. Phillips chairman. Phillips is senior v.p. of Berg Steel Pipe. As INGAA chairman, he succeeds Stephen P. Reynolds, president and CEO of Pacific Gas Transmission Co., who was named vice chairman.
Garland Proco, formerly of the U.S. Department of Energy's Operation Office in Oak Ridge, TN, was hired by NAC International. Proco will manage the Nuclear Materials Management Safeguards System, which NAC operates for DOE. Proco replaces Bruce Duncil, named project development manager of energy information products.