| Name | Global Regions | Particular technical expertise | Country(ies) | City | |
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| Rosenberg, George | | | | Plymouth | View |
| Ross, Derek | Europe & Central Asia, Middle East & North Africa | Building and Civil Engineering, Geotechnics and foundations, Hydro projects, Infrastructure, Railways, Bridges, Irrigation and Land Reclamation, Marine Civil Engineering, Metro railway and stations, Pipelines, Road and Storm water Defence Works, Rock Anchors & grouting | | Weybridge | View |
| Ruggiero, Marco | | | | Vacallo | View |
| Saad, Anton | | | | Amman | View |
| Sahin, Basar | | | | Istanbul | View |
| Sanjeewa, Prasath | | | | Elpitiya | View |
| Sauvaget, Guillaume | | | | Paris | View |
| Schneller, Yann | | | | Paris | View |
| Servert, Jorge | | | | Madrid | View |
| Shiwakoti, Dinesh | | | | Metro Manila | View |
| Sliwinski, Robert | Europe & Central Asia, Latin America & Caribbean, Middle East & North Africa, North America | Building and Civil Engineering, Electrical and Mechanical Engineering, Infrastructure, Railways, Bridges, Manufacturing and Process Plant, Metro railway and stations, Natural gas and LNG Facilities, Pipelines, Power / Energy, Road and Storm water Defence Works, Tunnels and Shafts, Waste Treatment and Pumping Plant | United Arab Emirates, United Kingdom | | View |
| Sliwinski, Robert | | | | Dubai | View |
| Smith, Geoffrey | East Asia & Pacific, Europe & Central Asia, Middle East & North Africa, South Asia, Sub-Saharan Africa | Building and Civil Engineering, Electrical and Mechanical Engineering, Geotechnics and foundations, Hydro projects, Infrastructure, Railways, Bridges, Manufacturing and Process Plant, Metro railway and stations, Natural gas and LNG Facilities, Pipelines, Power / Energy, Road and Storm water Defence Works, Tunnels and Shafts | Algeria, Belgium, Bosnia and Herzegovina, Botswana, Cambodia, Cameroon, China, France, Germany, Ghana, Greece, Indonesia, Iraq, Kenya, Lebanon, Malaysia, Malta, Netherlands, Nigeria, Philippines, Romania, Russia, Saudi Arabia, Senegal, Sri Lanka, Taiwan, Tanzania, United Republic of, Thailand, Togo, United Arab Emirates, United Kingdom, Viet Nam | Paris | View |
| Smith, Robert | | | | | View |
| Soh, Lieh Sieng | | | | Kuala Lumpur | View |
| Sonbahar, Metehan Caglar | | | | London | View |
| Spassova, Adriana | | | | Sofia | View |
| Spence, Kevin | East Asia & Pacific, Europe & Central Asia, Middle East & North Africa, Sub-Saharan Africa | Building and Civil Engineering, Environmental issues, Hydro projects, Infrastructure, Railways, Bridges, Pipelines, Power / Energy, Road and Storm water Defence Works | Botswana, Ethiopia, Kenya, Lesotho, Mozambique, Namibia, South Africa, Swaziland, Uganda, Zambia | Johannesburg | View |
| Stylianou, Platonas | | | | Nicosia | View |
| Taggart, Paul | East Asia & Pacific, Europe & Central Asia, Latin America & Caribbean, South Asia, Sub-Saharan Africa | Architecture, Building and Civil Engineering, Electrical and Mechanical Engineering, Environmental issues, Geotechnics and foundations, Hydro projects, Infrastructure, Railways, Bridges, Irrigation and Land Reclamation, Marine Civil Engineering, Metro railway and stations, Metals and Mining, Pipelines, Power / Energy, Road and Storm water Defence Works, Rock Anchors & grouting, Tunnels and Shafts, Waste Treatment and Pumping Plant | China, Costa Rica, Denmark, Egypt, Ethiopia, Georgia, Germany, Iraq, Italy, Kazakhstan, Lebanon, Malaysia, Moldova, Nigeria, Pakistan, Panama, Poland, Qatar, Saudi Arabia, Singapore, Tanzania, United Republic of, Turkey, Uganda, United Arab Emirates | Rome | View |
| Tozer, Barry | | | | Wentworth Point | View |
| Tsaturova, Nina | | | | Tbilisi | View |
| van Langelaar, Anton | East Asia & Pacific, Europe & Central Asia, Middle East & North Africa, Sub-Saharan Africa | Building and Civil Engineering, Geotechnics and foundations, Infrastructure, Railways, Bridges, Metro railway and stations, Pipelines, Road and Storm water Defence Works, Rock Anchors & grouting, Tunnels and Shafts, Waste Treatment and Pumping Plant | Congo, The Democratic Republic of the, Eritrea, Kenya, Lesotho, South Africa, Taiwan, Tanzania, United Republic of, Turkey, Zambia | Highveld | View |
| Vencl, Vladimir | | | | Belgrade | View |
| Veselinovic, Marko | | | | Belgrade | View |
| Veselinovic, Zoran | | | | Mahmutlar | View |
| Wall, George | | | | Singapore | View |
| Waters, Damian Paul | | | | Wilmslow | View |
| Werth, Robert Aloys | East Asia & Pacific, Europe & Central Asia, Middle East & North Africa, Sub-Saharan Africa | Building and Civil Engineering, Electrical and Mechanical Engineering, Environmental issues, Geotechnics and foundations, Hydro projects, Infrastructure, Railways, Bridges, Manufacturing and Process Plant, Marine Civil Engineering, Metro railway and stations, Pipelines, Power / Energy, Road and Storm water Defence Works, Tunnels and Shafts, Waste Treatment and Pumping Plant | Armenia, Austria, Canada, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Ethiopia, France, Georgia, Germany, Indonesia, Latvia, Lithuania, Malta, Poland, Russia, Rwanda, Slovakia, Slovenia, Tanzania, United Republic of, Turkey, Uganda, Ukraine, United Arab Emirates, Serbia and Montenegro | | View |
| Werth, Robert Aloys | | | | Essen | View |
| Wright, John | East Asia & Pacific, Europe & Central Asia, Latin America & Caribbean, Middle East & North Africa, North America, Sub-Saharan Africa | Architecture, Building and Civil Engineering, Chemical Engineering, Electrical and Mechanical Engineering, Geotechnics and foundations, Hydro projects, Infrastructure, Railways, Bridges, Irrigation and Land Reclamation, Manufacturing and Process Plant, Marine Civil Engineering, Metro railway and stations, Metals and Mining, Natural gas and LNG Facilities, Pipelines, Power / Energy, Road and Storm water Defence Works, Rock Anchors & grouting, Tunnels and Shafts, Waste Treatment and Pumping Plant | | London | View |
| Yang, Fan | | | | Hong Kong SAR | View |
| Yaremko, Volodymyr | | | | Kyiv | View |
| Zoppis, Eugenio | | | | Aprilia | View |