Dennis has the following academic qualifications:
PhD, Computer Science, Nagasaki University, Japan, 1997
M.Sc, Computer Science, Nagasaki University, Japan
B.Eng, Electronics & Telecommunications Engineering, University of Zambia, 1989.

Dr. Mwansa is now the Director, IT Strategic Planning Department (Global IT Office) at Mizuho Securities Co., Ltd. since October 2011. Prior to that, he was Senior Manager, Global IT Systems at Mizuho Securities Co., Ltd from October 2010 to October 2011.

He also worked at The Royal Bank of Scotland in Japan in February, 2007 to July 2008 as the Regional Head of Networks & Training Services and as Regional Head of Trading Infrastructure Services from August 2008 to September 2010. Prior to that he was a Vice President at Goldman Sachs. He has also worked at WestLB Systems GmbH, Tokyo Branch as a Director (Regional Head of IT Infrastructure Asia Pacific). Customer Services Engineer at Credit Suisse First Boston Securities in Japan, and Application Specialist and Network Manager (Japan) at Dassault Systeme K.K. in Japan. His specialties include Network design, IT vendor management, IT Infrastructure Management, Multi disciplinary IT project management. Prior to moving to Japan in 1991 to study for his Masters and PhD degrees, he worked for a computer company in Lusaka for one year after graduating from UNZA.