Mr. Changa is a Personnel Manager for the University Teaching Hospital in Lusaka, which has recently moved from public to parastatal status. His duties include manpower development, anti training, industrial relations, community services and public relations for a staff in excess of 3,000 people. Mr. Changa was formerly Senior Manpower Analyst for the Zambia Consolidated Copper Mines, Ltd., which has a labor force of 60,000 people.

Mr. Changa holds a Bachelor of Arts degree in Public Administration from the University of Zambia (1979); a Certificate in Job Analysis from Mindolo Ecumenical School (1979); and a Certificate in Industrial Relations and Personnel Management from the President's Citizenship College of Zambia (1982). He is a member of the Zambia Institute of Personnel Management.