ITXC Corp. announced that Cynthia Artin has joined the company as vice president of public relations.

CTI Squared (CTI²), a developer of communications and messaging solutions for service providers and enterprises, announced that Shai Schiller has joined the company as chairman of the board.

Billserv, Inc. announced the appointment of Mitch Hovendick to its board of directors.

NextNine, Inc., maker of a software infrastructure for the telecom/datacom industry, announced that Thomas C. ("TC") Browne has been named as its new CEO.

Metastorm announced that Robert J. Farrell has been appointed president and chief executive officer of the company; he also has become a member of the board of directors.

ePHONE Telecom, Inc. announced that Steve Heap has been appointed to the position of chief network officer.

Transcom WorldWide S.A., a European call center specialist, announced that Vigo Carlund has been appointed as chairman of the company further to the appointment of Keith Russell as president and chief executive officer.

SpeechWorks International, Inc. announced that SpeechWorks' chief marketing officer, Steve Chambers, will assume the position of senior vice president of worldwide sales and chief marketing officer, effective immediately.

Convergys Corporation announced the appointment of two executives to senior management positions. Maureen Govern has been appointed Convergys' chief technology officer, and Larry Schwartz has been named executive vice president of North American Operations for Convergys' Information Management Group (IMG).

Openet Telecom announced the appointment of Tony Melvin as VP of professional services.

Nuance announced the appointment of Rod Hamlin to the position of senior vice president of sales. Hamlin will be responsible for managing the company's worldwide sales and professional services organizations.

Paceline Systems Corporation, a developer of intelligent enterprise-class InfiniBand fabric solutions, announced the appointment of Barry Kallander as president and CEO.

The Linux Professional Institute (LPI), a professional certification program for the Linux community, has appointed Evan Leibovitch as president, effective immediately. He continues his current role as chairman of the board.

Arbinet-thexchange, a full-service trading solution for buyers and sellers of voice minutes, has appointed Roger Kim vice president Internet Protocol (IP) to lead the company's new IP initiative.