- Honorary President of the International Blind Golf Association
- Chairman of the International Sports Promotion Society (ISPS HANDA)
- Chairman of The Legends Tour
- International Ambassador and Patron of Golf Australia
- Honorary International Advisors of Parliament of the World's Religions (PWR)
- Truste of World Faiths Development Dialogue (WFDD)
- Honorary Chairman of the Japan Blind Golf Association :JBGA (NPO)
日本ブラインドゴルフ振興協会名誉会長
- President of Japan Golf Instructors Society (NPO) 特定非営利活動法人 日本ゴルフ指導者協会総裁
- President of Japan Instructors Progolf Association (NPO) 特定非営利活動法人日本インストラクタープロゴルフ協会 (JIPGA)総裁
- Chairman and Founder of International Sports Promotion Society (ISPS) 国際スポーツ振興協会
- Chairman and Founder of International Foundation for Art and Culture:IFAC (NPO) 特定非営利活動法人 世界芸術文化振興協会
- Chairman and Founder of Tokyo Art Foundation (TAF) 東京芸術財団
- Chairman of the Organizing Committee for the International High School Arts Festival 高校生国際美術展実行委員長
- Advisor of the Modern Japan Calligraphers’ Association 現代日本書家協会顧問
- Board member of Japan Cultural Designers Association 社団法人日本デザイン文化協会評議員
- Member of the Nohgaku Performance’ Association 公益社団法人能楽協会会員
- Member of Japanese Centre PEN International 日本ペンクラブ会員
- Member of the Modern Haiku Association 現代俳句協会会員
- Chancellor and professor of The University of Cambodia (UC)
- Governor of the Pacific Forum CSIS
- Chairman and Founder of Asia Economic Forum (AEF)
- Senior international commentator for Southeast Asia Television (SEATV)
- Honorary Fellow of Corpus Christi College at the University of Oxford.
- Honorary Fellow of the School of Oriental and African Studies(SOAS)
- Honorary Doctor of Philosophy degree from the University of Gloucestershire
- Professor of the Ariake College of Education and the Arts 有明教育芸術短期大学教授
- Honorary Consul of The Kingdom of Cambodia In Fukuoka, Japan 在福岡カンボジア王国名誉領事
- Adviser to the Royal Government of Cambodia with the rank of Senior Minister カンボジア王国上級大臣級政府顧問
- Advisor to the Prime Minister of the Kingdom of Cambodia カンボジア王国首相顧問
- Director of the Japan-India Association 公益財団法人 日印協会
- President of Kyowa (Harmony of All People) Foundation 公益財団法人 協和協会
-Director of the Japan Forum on International Relations :JFIR (NPO) 公益財団法人 日本国際フォーラム
- Chairman of Worldwide Support for Development :WSD (NPO) 特定非営利活動法人 世界開発協力機構総裁
- Chairman International jomon culture (NPO) 特定非営利活動法人 国際縄文学協会
- Dr. Haruhisa Handa Official Website 半田晴久オフィシャルWebサイト
- Dr. Haruhisa Handa a.k.a. Toshu Fukami 深見東州(半田晴久)
- Dr. Handa a.k.a. Toto Ami 戸渡阿見公式サイト
- Manager of Misuzu.corporation 株式会社ミスズ
- Director and Founder of Misuzu Gakuenn, a college preparatory school 予備校「みすず学苑」