Metalmark Capital promoted Donald Gerne and Kumar Valliappan to managing director. Gerne and Valliappan are based in New York.

Gerne joined Metalmark in 2011 and most recently served as principal at the firm. He is currently a director of Northeast Natural Energy and WorldStrides. Before joining Metalmark, Gerne served as a vice president at Greenhill Capital Partners.

Valliappan joined Metalmark in 2006 and most recently served as principal at the firm. He is currently a director of Cardinal Chemicals and Hoffmaster and has also served as a director of Tegrant. Prior to Metalmark, Valliappan held positions at Morgan Stanley, US Can and Berkshire Partners.

Metalmark Capital is a private equity firm with a focus on business services, growth industrials, energy and healthcare.