NStar, a Boston-based energy company with $3.3 billion in 2008 revenue, promoted Philip Lembo to treasurer and vice president. He succeeds James Judge, who continues to serve as the company's CFO and senior vice president. Lembo, 53, joined NStar in 1983 and has served in several finance positions since then, including audit director. Most recently, he was assistant treasurer of investor relations and corporate finance. In his new role, Lembo will oversee an expanded number of treasury functions including corporate finance and cash management, investor relations, real estate and facilities management, property tax and risk management,

Cracker Barrel Old Country Store, the Lebanon, Tenn.-based restaurant chain with $2.4 billion in 2008 revenue, appointed Sandra Cochran CFO and executive vice president. Cochran, 49, brings five years experience as the CEO of retailer Books-A-Million, where she had also served as president since 1999 and CFO from 1993 to 1999. Prior to joining Books-A-Million, Cochran served as vice president of finance at SunTrust Securities. N.B. Forrest Shoaf, Cracker Barrel's general counsel, had served as interim CFO since March 2008.

Sauer-Danfoss, a Lincolnshire, Ill.-based hydraulic systems manufacturer with $2.1 billion in 2008 revenue, appointed Jesper Christensen CFO and executive vice president. Christensen, 39, succeeds Karl Schmidt, 55, who is leaving to pursue other opportunities. Schmidt had held the role since 2002. Christensen has served as vice president of finance, IT and human resources for the Danfoss motion controls division since 2007.