Ms. Kajumba Mary is the Department Examination Officer (DEC) in charge of entering results for the Department of Business Management and working on missing marks for the same department. She was the former secretary to the Principal of the College of Economics and Management, at Kampala International University (KIU). 

She joined KIU in 2010 where she served as an Examination clerk handling all marks at the College of Economics and Management. From 2010-2014, Ms. Mary also served as a College Registrar and worked on missing results at the college.

Ms. Mary has also worked as a Secretary at Hillside Nursery and Primary Day and Boarding (2004-2009), City Star Secondary School (2000-2004), and at Wandegeya Secretarial Bureau (1997-1999). 

She holds a Diploma in Secretarial Studies awarded by Kampala Business College in 1996 and at the same time, Mary also obtained a certificate in Computer application from Capital Management Consultants / Y.M.C.A Computer Masters Club.