Energy Roundup: A look at McClendon's big investor, natural gas from shale up dramatically, EPA has new pollution proposal The Wall Street Journal has taken a rare look into the investor backing shale pioneer Aubrey McClendon's newest venture , American Energy Partners LP . John Raymond , the son of former Exxon Mobil Corp. CEO Lee Raymond and someone who has shied away from the press as much as McClendon has, discussed why he's supporting the wildcatter who was ousted from Chesapeake Energy Corp. .