Dr Hongwen Zhang has been appointed president and CEO of Wedge Networks Inc, a Calgary-based developer of web security applications that specialize in malicious-code detection and filtering at the network layer. Zhang is a co-founder, key innovator behind Wedge's product line and its former CTO. He holds a BSc in computer science from Fudan Univ (Shanghai), an MSc in computer engineering from China's Institute of Computing Technology (Beijing) and a PhD in computer science from the Univ of Calgary. While at the latter, he co-founded 24C Group Inc, which developed the world's first digital receipt infrastructure for secure electronic commerce....