Greg Sullivan has joined Chrysalix Energy as a managing director. He worked with the firm last year as a venture consultant, and previously was at the University of British Columbia’s Clean Energy Research Centre, with a focus on developing alternative fuels and combustion technologies for power and transportation.
Shasta Ventures has promoted Jason Pressman from principal to partner. The firm also hired former WebMD Health account manager Brent Tworetzky as an associate.
Joerg Riesmeier has joined Life Sciences Partners as a Cambridge, Mass.-based general partner. He previously was with Burrill & Co. and, before that, led R&D for Bayer CropScience.
Jeff Calcagno has joined BA Venture Partners as a principal and Kauffman Fellow. He previously served as chief biology officer and CFO for venture-backed Vela Pharmaceuticals Inc. (which is not a portfolio company of BA Venture Partners), and he also has been a McKinsey & Co. consultant.
Bill Rastetter and David Molowa have joined Venrock Associates as venture partners focused on the biotech and health care fields. Rastetter will be based in Menlo Park, Calif. He previously was executive chairman of Biogen Inc. (Nasdaq: BIIB). Before that, he was director of corporate ventures for Genentech. Molowa will work out of New York. He previously was a managing director at UBS, overseeing life science equities research.
In other Venrock personnel news, the firm has promoted Bryan Roberts to managing general partner and Brian Ascher to general partner.
Russell Pullan has joined Nomura International as director of new energy and cleantech ventures. He previously was head of venture capital with The Carbon Trust.
Scott Borenstein has joined Spark Capital as a senior associate. He recently received his MBA from Harvard Business School, and before that worked at Overture and Yahoo.