Riverstone Holdings, an energy and power-focused private equity firm, has announced that Peter R. Coneway has joined the firm as a managing director. Coneway will be based in Houston focused on sourcing, structuring and executing energy investments.   Prior to joining Riverstone, Coneway served as US Ambassador to Switzerland and

Early-stage venture capital firm OVP Venture Partners has announced that stem cell scientist Irving L. Weissman will join its technical advisory group.

NewSpring Capital, a family of private equity funds providing capital to companies primarily in the Mid-Atlantic region, has announced the recruitment of Bruce L.

Key Principal Partners, a USD1bn private equity and mezzanine firm that makes investments in growing middle-market companies, has announced the promotions of Dan Kessler and Beth Laschi

Venture capital firm Mayfield Fund has announced the appointment of Kendall Cooper as chief financial officer, reporting to managing director and chief operating officer James Beck.

Private equity secondaries specialist Greenpark Capital has appointed Eric Pathé as an investment director.

Shawn Hessing has been appointed national managing partner of the private equity group of KPMG LLP, the US member firm of the global audit, tax and advisory firm group.

Scott DePasquale has joined Braemar Energy Ventures, a venture capital fund making early- to mid-stage investments in the energy technology sector, as principal and executive-in-residen

Quadrangle Group has announced that Amanda Siegel has been promoted to principal and Alex Hocherman, Sebastien Briens and Mark Brennan have been promoted to vice-president.

Mid-market private equity firm Riverside Company has promoted 12 employees and made four new hires in its 18 offices worldwide.