The conference management system (SIMAKON) isa system to simplify and facilitate the collection, trackingand management ofelectronic data transmissions for conference activities. Information can be received, confirmed,tracked, stored and distributed digitally. Electronic data includes, among others, registrant identities, collection ofpresentation material, scheduling and review system. Applications created can be accessed through a mobile system andon a desktop application. This can improve time efficiency for both submission and review. In thisstudy, a conferencemanagement system was designed for the National Seminar on Electrical Engineering and Informatics, by taking asample of three system roles, namely admin, participants,presenters, and reviewers. Each role will be tested for each corresponding modules whether information, call for papers,presenters, and reviewers. The SIMAKON modules hasbeen successfully designed and tested based on their respective functions