Citi Alternative Investments has acquire private equity firm Metalmark Capital, according to a statement from Citi Alternative. Terms were not disclosed. John P. Havens, president and CEO of Citi Alternative, said the acquisition fills a product gap for CAI by being a developed market private equity investor that has a scalable client platform. Howard Hoffen, Metalmark chairman and CEO, was named managing director and member of the management committee at CAI as part of the deal. He will report to Mr. Havens.