There are several classes of membership: regular member, student member, special member, group member, library member, and honorary member. Qualifications for the various membership categories classes are as follows.

Lifelong Members Regular members who make a lump sum payment of ten times the annual fee.
Regular Members Individuals holding the bachelor's or advanced degrees in OR/MS or related disciplines; or individuals having four or more years of experience at research institutes, industry, or academe in OR/MS or related disciplines.
Student Members Students who are currently studying OR/MS or related disciplines.
Special Members Individuals or corporations that agree with the objectives of the Society and support its activities.
Group Members Corporations or groups that agree with the objectives of the Society and pay the annual fee.
Library Members Libraries that support the objectives of the Society and pay the annual fee.
Honorary Members Individuals who have contributed to the Society in significant ways.

The schedule of annual fees for each type of membership is as follows.

Regular Member: 40,000 Won
Student Member: 20,000 Won
Special Member: 200,000 Won
Group Member: 200,000 Won
Library Member: 150,000 Won

In addition, an enrollment fee is applied to each new member.
Additional 10,000 Won for a new individual member.

The Society is engaged in a wide range of activities at both the regional and national levels. The activities provide members with the opportunity to participate in domestic and international conferences, seminars, workshops, tutorials, and invited lectures. In addition, each member receives the Journal of the Korean Operations Research and Management Science Society four times a year, the Korean Management Science Review twice a year, and the newsletter of the society four times a year.

Only members may submit papers to the Journal and the Review. Members can also participate in the activities of the Society by playing a role on the Regional Branch Committees and Special Interest Groups. The Society maintains various MS/OR documents as well as the mailing list of the membership, which can be made available for use by individual members.