o   Africa Oil Week (contributions submitted, 2020, 2022);

o   16^th 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   13^th 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 21^st 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 (10^th 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   17^th 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   21^st IAS Meeting of Sedimentology (Davos, Switzerland, 2001);

o   80^th Polish Geological Institute Meeting (Krakow, Poland, 1999);

o   15^th International Sedimentological Congress (Alicante, Spain, 1998);  

o   IAS Lecture Tour in Romania (co-organizer; invited: prof. Harold G. Reading/ Oxford University/ UK, 1999);

o   18^th 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).