| O | International Union of Pure and Applied Chemistry Task Group | Others | |
| O | International Union of Pure and Applied Chemistry, Division of Organic & Biomolecular Chemistry, Subcommittee on Organic Synthesis | Others | |
| O | International University Center Haiti (UNIHAITI) | Others | |
| O | International Workgroup of Death, Dying and Bereavement | Others | |
| J | International Workshop and Training Course on Microalgal Biotechnology | | |
| O | International Workshop on Digital Media and Its Applications on Museum & Heritage | Others | |
| O | International Workshop on Information Processing over Evolving Networks | Others | |
| O | International Workshop on Legal and social aspects in web modeling (LSAWM 2013) | Others | |
| O | International Workshop: Dementia: From Public Health to Therapeutic Insights | Others | |
| O | International Year of Chemistry 2011 Hong Kong | Others | |
| O | Internet Society of China | Others | |
| O | Internship sub-committee of the Licentiate Committee, Medical Council | Others | |
| O | Internship Sub-Committee of the Licentiate Committee, Medical Council of Hong Kong | Others | |
| O | Internship Sub-committee, Licentiate Committee of the Medical Council of Hong Kong | Others | |
| O | Internship Sub-committee, Licentiate Committee, Medical Council of Hong Kong | Others | |
| O | Internship Sub-Committee, The Licentiate Committee of the Medical Council of Hong Kong | Statutory | |
| O | Internship Subcommittee of Licentiate Committee, The Medical Council of Hong Kong | Others | |
| O | Internship Subcommittee, Hong Kong Medical Council | Others | |
| O | internship subcommittee, Licentiate Committee, Medical Council of Hong Kong | Others | |
| O | INTERRAD | Professional | |
