Warren Resources, Inc. (WRES) began searching for a CEO, and retained executive search firm Egon Zehnder for the process, the company said July 14.

"Under the steady hands of Interim CEO and director Lance Peterson, Warren has navigated the critical liquidity and debt issues that faced oil and gas companies in the past several quarters, and we are now ready to dedicate the necessary time and resources to conducting a search for a permanent CEO, said Dominick D’Alleva, interim chairman.

“To the right candidate, we are pleased to offer an attractive opportunity to shape the next phase of the company's growth, including a strategic review of all assets and offices in the company's portfolio.”

New York-based Warren Resources Inc. acquires and develops oil in California’s Los Angeles Basin and natural gas in the Marcellus Shale and Wyoming’s Washakie Basin.