Who, what, where

Guru Pai has joined the executive team of Sonus Networks Inc. as senior vice president. Headquartered in Westford, Sonus is a hardware and software maker. In this newly created role, Pai will have direct responsibility for Sonus' sales and services organizations, business development, and corporate strategy functions. Pai, 43, brings more than 20 years experience in the telecom industry to Sonus, having held senior business development and product management positions at Motorola and senior sales and marketing positions at Lucent Technologies. Before joining Sonus, Pai was a vice president at Veveo focused on mobile web video search.

Sandrijn Stead has joined Virtual Computer Inc., a Westford-based company that is applying advanced virtualization technology to PC lifecycle management. Stead's title is vice president of sales. Virtual Computer also announced its expansion into Europe, the Middle East, and Africa, along with select markets in Asia Pacific. With a decade of experience in developing new business territories, Stead will be a key asset to Virtual Computer as the company looks to grow its customer and value-added reseller base. Prior to joining Virtual Computer Inc., Stead served as executive vice president of worldwide sales and marketing at Reflex Security Ltd.

Gerald D. Cagle has been named as the first chief operating officer of Neuroptix Corp., an Acton company focused on the early detection of Alzheimer's Disease through a non-invasive eye test. Cagle most recently served as senior vice president of research and development and chief scientific officer of Alcon Laboratories Inc.
(By Chris Reidy, Globe staff)