Management tracks

Suneva Medical Inc. (San Diego, Calif.) said chairman and CEO Nicholas Teti resigned. The dermatology company promoted Preston Romm to president and CEO from COO.

Synthetic biology company Intrexon Corp. (NYSE:XON) hired Andrew Last as COO, effective Aug. 29. Last was EVP and COO at Affymetrix Inc., which Thermo Fisher Scientific Inc. (NYSE:TMO) acquired. ...