Ajit Singh, PhD, has been named CEO of Bioimagene (Cupertino, California), a provider of digital pathology solutions for cancer diagnosis and pre-clinical research. Singh joined the board of the company in July, prior to the closing of a $26 milllion expansion financing round. He will assume the CEO role starting Oct. 6. The founder and the current CEO, Mohan Uttarwar, will remain with the company and its board, taking on the role of chief strategy officer.

• Nephros (New York) said Ernest Elgin III has been appointed president/CEO, joining the company from Novaflux Technologies, where he was COO. Additionally, James Scibetta was elected chairman of the company. Scibetta is a veteran healthcare industry executive with more than 20 years of experience in investment banking and corporate management. Norman Barta has stepped down as Nephros's chairman and CEO, as well as his various other offices with Nephros, to address a family medical issue and pursue other interests. Nephros is developing products designed to improve the quality of life for the end-stage renal disease (ESRD) patient.

• Teleflex (Limerick, Pennsylvania) reported the appointment of two of its executives to new roles in the company's Medical Segment, reporting to Ernest Waaser, president, Teleflex Medical. Vince Northfield has been named executive VP for global operations. Northfield had previously been president of Teleflex Commercial, the company's industrial segment. He joined Teleflex in 2001. Matthew Jennings has been named president, Teleflex Medical North America. He had previously been senior VP, corporate development. Jennings joined Teleflex Medical in 2004 as president of the surgical products business in North America.