Representatives of the Executives of the International Groups and the Executive Committee the OMCC come together every two years to further their aims of coordination, unity, friendship and communion and to encourage the fulfilling of their responsibilities towards their National Secretariats. Reports of each Executive Committees activities accomplished and planned are shared.
Asia Pacific Group were the hosts of the first OMCC meeting for the 2010-2013 term took place at Santa Teresa Retreat Centre, Brisbane Australia in November 2010.
The GECC (European Group) hosted the second OMCC meeting. This was held 7th-10th June 2012 at Seminarhaus St Klara, Salzburgerstasse, Upper Austria