Irvine-based nuclear waste remediation technology developer Kurion has named a new CEO. Kurion said this morning that it has appointed William "Bill" Gallo as its CEO, with current CEO Ralph DiSibio remaining as Executive Chairman. Gallo had joined Kurion in March as its Chief Operating Officer, having previously served at AREVA Solar. Gallo is based in San Jose. Kurion develops nuclear and hazardous waste management technology.