movers and shakers

DarkMatter appoints new CEO
DarkMatter founder, Faisal Al Bannai, to assume role of managing director and focus on the firm’s strategic direction and key initiatives, including R&D
ABS CEO Tom Choi transitions role as CEO to Director of Board
ABS current chairman Jim Frownfelter becomes interim CEO
GBI makes two strategic VP appointments
Amr Eid hopes the appointments will further enhance GBI's market footprint
New Riverbed senior vice president
Veteran in the industry to be chief sales officer too
F5 Networks appoints new country manager
New manager to report to F5’s vice president of Sales for Southern Europe and ME
Essential guide to telecoms appointments and management changes in Q1 2013