Er. Seng Chuan Tan holds a Bachelor of Engineering (Civil) and Master of Science (Building Science) from the National University of Singapore. He is a Professional Engineer (Civil) and Chartered Engineer (Environment & Water) registered in Singapore, National Environment Agency accredited GHG Lead Verifier, GRI Certified Sustainability Professional and a Senior Practicing Management Consultant (Sustainability) Certified by Singapore Business Advisors and Consultants Council.
His professional experiences cover the sectors of Sustainability, Climate Change, Environmental, Water, Energy, Built Environment & Infrastructure, Chemical and Petrochemical, Oil & Gas and other Industrial projects in Asia Pacific region.
Er. Tan holds various positions in the early part of his career. In 2010, he was appointed as Director of CH2MHill responsible for the operation and development of the water and environmental services business in the Asia Pacific Region. In 2015 he joined Ramboll Environ (Asia Pacific) as Regional Managing Director leading the development and implementation of company strategies across offices in Asia Pacific. Presently, he served as Managing Director of TEMBUSU Asia Consulting Pte Ltd, a leading sustainability consultancy company in Asia focus on the development and implementation of United Nation Sustainability Development Goals. TEMBUSU Asia is accredited by Singapore Accreditation Council (SAC) and Asia Carbon Institute (ACI) accredited Validation & Verification Body.
Er. TAN is the Emeritus President of the Institution of Engineers, Singapore (IES) where he served as President from 2006 to 2008; he also served as President of the Federation of Engineering Institutions of Asia and the Pacific (FEIAP) from 2007 till 2011, Chairman of the Asia Pacific Economic Cooperation (APEC) Engineers Coordinating Committee and member of the International Engineering Alliance (IEA) Governing Board from 2015 to 2019. Presently he serves as President-Elect of the World Federation of Engineering Organization (WFEO) and Chairman of Chartered Engineering Board in Singapore.
Seng Chuan Tan was elected to the position of President-Elect at the Federation’s General Assembly in Prague, Czech Republic in October 2023 and became President at the General Assembly in Shanghai on 17 October 2025.
WFEO Past Presidents
| NAME | COUNTRY | YEARS |
|---|---|---|
| Eric CHOISY (28.01.1897 to 3.09.1995), Electrical engineer graduated from the school of engineering of the University of Lausanne, Chairman of the Board of Directors of the Geneva Tram Company and President of the Swiss Association for Atomic Energy. |
Switzerland | 1968-1974 |
| Sadok BEN JEMAA (22.07.1932 to 18.11.2011), Civil Engineer graduated from the Sorbonne, Paris; CEO of major companies in Tunisia; founder of Bank of the South; National Union of Tunisian Engineers (President 1970-1977 and 1979-1990); Founder of the Council of the Order of Engineers 1981; President (1981-1989); President Union of Arab Engineers; Member of UN Advisory Council for Science & Technology (1980-1987). |
Tunisia | 1975-1987 |
| A.Y ISHLINSKY (06.08.1913 to 07.02.2003) Founder and Director of the Institute for Problems in Mechanics, Russian Academy of Sciences 1965-1990, Chairman USSR Union of Scientific and Engineering Societies, Deputy to the Supreme Soviet of the USSR. |
Russia | 1987-1991 |
| William J CARROLL (23.11.1923 to 23.02.2023), Civil engineer; Chairman and Chief Executive Officer of Montgomery-Watson, Pasadena, CA which became MWH Global in 2001; President of ASCE in 1989. |
USA | 1991-1995 |
| Conrado BAUER (08.01.1927 to 27.07.2023), Civil hydraulic engineer from Argentina who held the position of Minister of Social Welfare of his country from 1968 to 1969 and the position of Minister of Public Works and Services from 1982 to 1983. He was a member of the Academia Nacional de Ingenieros de la República Argentina. |
Argentina | 1995-1999 |
| José MEDEM (13.08.1927 to 27.01.2015), Professor Emeritus of Civil Engineering at the Polytechnic of Madrid, Founding President of World Council of Civil Engineers, involvement in engineering institutions in Spain, European Council of Civil Engineers, UPADI, Member of Advisory Council of Global Infrastructure Anti-Corruption Centre, Founder of WFEO Committee for Anti-Corruption. |
Spain | 1999-2003 |
| Dato Lee Yee CHEONG Electrical Engineer, Founder and CEO Tenaga Ewbank Reece Consulting, Past President of the Institution of Engineers Malaysia, Commonwealth Engineers Council, Board Director and Government advisor of science and engineering issues, member of Board of Engineers Malaysia, member of the UN Broadband Commission and other consultative bodies related to the UN. |
Malaysia | 2003-2005 |
| Kamel AYADI Founding Chair of the WFEO Committee for Anti-Corruption, Past President of the Tunisian Order of Engineers. He has served as a Secretary of State in the Tunisian government from 2004 to 2006 and as President of the Tunisian National Regulatory Authority of Telecommunications from 2001 to 2004. Minister of Public Service, Governance in 2016, President of the High Administrative and Financial Control Committee with the rank of Minister, 2017 onwards. |
Tunisia | 2005-2007 |
| Barry GREAR Electrical engineer, Past President of Engineers Australia in 1997-1998, member WFEO Engineering Education Committee, driving the recognition of qualifications internationally. |
Australia | 2007-2009 |
| Maria PRIETO LAFFARGUE Telecommunications engineer, first woman to be President of WFEO. She is a Past President of the Institute of Engineering of Spain (2000-2004), former Director General of SISTELCOM Consortium SA, Director General of Telefonica Sistemas, Deputy President of Union Fenosa Inversiones and President-DG of the Instituto Nacional de Meteorología, an Agency of the Spanish Ministry for the Environment. |
Spain | 2009-2011 |
| Adel AL KHARAFI State Minister for National Assembly Affairs since 2014, Director of M.A. Kharafi and Sons, a global conglomerate of companies in a wide range of engineering sectors based in Kuwait. |
Kuwait | 2011-2013 |
| Marwan ABDELHAMID Civil engineer; General Secretary of the General Union of Palestinian Engineers (GUPE) in Palestine; President, Federation of Arab Engineers 1987-1989. He was Advisor to the Algerian Minister of Housing, Member of the Council of Arab Ministers representing Palestine, permanent representative of Palestine in the United Nations Organization for Human Settlements, Technical Advisor to late President Arafat, Deputy Minister of Housing in the Palestinian Authority, Ambassador of Palestine to Greece, Technical Advisor to President Abbas, and President of Palestine Mortgage and Housing Corporation. |
Palestine | 2013-2015 |
| Jorge SPITALNIK Nuclear power and mechanical engineer, Executive Director of UPADI (Pan American Union of Engineers), Member of the Executive Council of the Brazilian Federation of Engineering Associations (FEBRAE) (2003-2011), Former Chair WFEO Standing Energy Committee. Former Chair WFEO-UN Relations Committee, various leadership positions on professional technical associations of the nuclear industry. |
Brazil | 2015-2017 |
| Marlene KANGA More information in this page |
Australia | 2017-2019 |
| GONG Ke More information in this page |
China | 2019-2021 |
| José VIEIRA More information in this page |
Portugal | 2021-2023 |
| Mustafa SHEHU More information in this page |
Nigeria | 2023-2025 |
WFEO President Elect
| NAME | COUNTRY |
|---|---|
| K. N. Gunalan More information in this page |
USA |