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o Africa Oil Week (contributions submitted, 2020, 2022);
o 16th PESGB/ HGS African E & P Conference (London, 2017);
o West Africa day – presentation on offshore Namibia and Orange Basins reservoirs (CoreLab-IRS technical workshop, 2017);
o Reservoir Study of Onshore and Offshore Angola Basins (CoreLab-IRS technical/ core workshop, Houston, 2016);
o 13th PESGB/ HGS African E & P Conference (Houston, 2014) & PETEX (London, 2014);
o Reservoir/ Seal Study of Namibia& Orange Basin, South Atlantic Margin (CoreLab-IRS technical/ core workshop, Cape Town & Windhoek, 2013);
o Pre-Salt Carbonates of the West Atlantic Margin (CoreLab-IRS technical/ core workshop, London, 2012);
o East Africa – petroleum province of the 21st century (The Geological Society, Burlington House, London, 2012);
o Reservoir/ Seal Study of the Onshore and Offshore Basins of Peru (CoreLab-IRS technical/ core workshop, Lima/ Peru, 2011);
o Africa – a legacy of exploration and discovery (10th PESGB/HGS conference on Africa E&P, London, 2011);
o Shale gas exploration in Europe (Warsaw, Poland, 2011);
o Gas shale school (organized by CoreLab-IRS Houston & Redhill, London, 2009);
o Tight gas reservoir development: challenges and future outlook (SPE/ EAGE workshop, Hague, Netherlands, 2008);
o International Conference on Alluvial Fans (Banff, Canada, 2007);
o 17th International Sedimentological Congress (Fukuoka, Japan, 2006);
o Indaba Coal Conference (Johannesburg, South Africa, 2003);
o GEO-2002 Geological Society of Romania Annual Meeting (Bucharest, Romania, 2002);
o Moesian Platform hydrocarbon systems (organized by the Romanian Association of Petroleum Geologists, Bucharest, Romania, 2002);
o Carpathian Petroleum Conference (Wysowa, Poland, 2001);
o 21st IAS Meeting of Sedimentology (Davos, Switzerland, 2001);
o 80th Polish Geological Institute Meeting (Krakow, Poland, 1999);
o 15th International Sedimentological Congress (Alicante, Spain, 1998);
o IAS Lecture Tour in Romania (co-organizer; invited: prof. Harold G. Reading/ Oxford University/ UK, 1999);
o 18th IAS Meeting of Sedimentology (Heidelberg, Germany, 1997);
o Sandstone provenance – principles and applications (co-sponsored by IAS, organized by Bucharest University/ Mineralogy Dept., 1996);
o Xth RCMNS (Regional Committee for Mediterranean Neogene Stratigraphy) Congress (Bucharest, Romania, 1995).