Earlier today, Kara Swisher reported that Satish Dharmraj, co-founder of Zimbra, an open-source email service that was acquired by Yahoo for $350 million, was joining Menlo Park, Calif.-based RedPoint Ventures as a partner. He isn’t the only one. We’ve also learned that that Dr. Nety Krishna is joining the firm as a venture partner and CTO of the Energy, Materials & Environment Practice, where he will focus on seed and early-stage investments in those areas. Till recently, he worked for semiconductors equipment maker Applied Materials.