Clarus Ventures has promoted Emmett Cunningham to partner and Scott Requadt to transactional partner. Cunningham joined Clarus in 2006, and serves on the board of SARcode. Requadt joined in 2005, and sits on the board of TyRx Pharma.
 

Renal Advantage Inc., a Brentwood, Tenn.-based for-profit provider of dialysis services in the United States, has completed its acquisition of National Renal Alliance LLC, a Franklin, Tenn.-based owner and operator of 45 dialysis facilities in 10 states. No financial terms were disclosed. Renal Advantage is a portfolio company of Welsh Carson Anderson & Stowe.

TraderTools, a New York–based provider of software and services for financial institutions trading foreign currency, has raised $7 million in VC funding from Edison Venture Fund. Company management also provided an additional $500,000.
 

Jeffrey Wood has joined Eagle Rock Energy Partners (Nasdaq: EROC) as senior vice president and CFO. He previously was with Lehman Brothers as a senior vice president and portfolio manager in the firm’s private equity division.
 

The Carlyle Group has completed its sale of AxleTech International to General Dynamics (NYSE: GD) for an undisclosed amount. Carlyle acquired AxleTech in late 2005 from Wynnchurch Capital. The company makes parts for military vehicles, commercial specialty trucks and off-highway machines.