Conferences, workshops, meetings I am/was involved in

(Co-)chair 
45th Woudschoten Conference (annual conference of the Dutch-Flemish Scientific Computing Society), Zeist, The Netherlands, Oct. 6-8,  2021
SIAM Conference on Mathematical and Computational Issues in the Geosciences (GS19), Houston, March 11-14, 2019 (with S. Minkoff)
SIAM Conference on Mathematical and Computational Issues in the Geosciences (GS15), Stanford University, June 29-July 2, 2015 (with K.A. Lie and M. Gerritsen)

Co-organiser
6th InterPore BeNeLux chapter meeting, Luxembourg University, April 11-12, 2024 (co-organizer, with Anas Obeidat, Stephane Urcun, Fred Vermolen)
5th InterPore BeNeLux chapter meeting, Hasselt, Oct. 14, 2022 (co-organizer, with S. Berg, T. Bultreys, S. Luding, N. Tomozeiu)
Workshop Multiscale Coupled Models for Complex Media: From Analysis to Simulation in Geophysics and Medicine, Oberwolfach, Jan. 23-29, 2022 (co-organizer, applicant, with M. Peszynska, B. Wohlmuth and Z. Yosibash)
Workshop Reactive Flows in Deformable, Complex Media, Oberwolfach, Aug. 26-Sept. 01, 2018 (co-organizer, applicant, with M. Gerritsen, F.A.Radu and B. Wohlmuth)
Workshop Reactive Flows in Deformable, Complex Media, Oberwolfach, Sept. 21-27, 2014 (co-organizer, applicant, with M. Gerritsen, J.M. Nordbotten and B. Wohlmuth)
TU/e - UU Joint meeting on 'Porous Media', Eindhoven, Jan. 14-15, 2013 (co-organiser, with J. Huyghe and J. Padding)
The Mathematics of Porous Media, Split (Croatia), June 13-15, 2011 (co-organiser, with P. Knabner and A. Mikelic)
Academy Coloquium "Multi-scale problems in sustainable resource management" Amsterdam (NL), Sept. 6-9, 2010 (co-organizer, applicant, with C.J. van Duijn, S.M. Hassanizadeh, M.A. Peletier, B. Schweizer)
The Dutch-French Porous Media Day Eindhoven (2006, 2009), Calais (2007) (co-organiser, with A. Mikelic)
NUPUS workshop "Dynamic effects in the capilllary pressure" Eindhoven (NL), July 19, 2009 (co-organiser, with P. Zegeling)

Organizing committee member
SIAM Conference on Mathematical & Computational Issues in the Geosciences (GS23), Bergen (NO), June 19 - 22, 2023
The 48th Netherlands Mathematical Congress, Eindhoven (NL), April 12, 2012 
Multiscale Methods in Science and Technology - Challenges to Mathematical Analysis and Perspectives, Dubrovnik (HR), May 31-June 4, 2010 
International Conference on Non-linearities and Upscaling in Porous Media (NUPUS) Stuttgart, Oct. 5-7, 2009

Scientific committee member
ALGORITMY 2024, Podbanske, Slovakia, March 15-20, 2024
Numerical Analysis, Numerical Modeling, Approximation Theory (NA-NM-AT 2023), online/Cluj Napoca, Romania, Nov. 6-10, 2023 
European conference on numerical mathematics and advanced applications (ENUMATH), Lisbon, Portugal, Sept. 4-8, 2023
Numerical Analysis, Numerical Modeling, Approximation Theory (NA-NM-AT 2022), online/Cluj Napoca, Romania, Oct. 26-28, 2022 
Advanced COmputational Methods in ENgineering (ACOMEN), Liege, Belgium, Aug. 31-Sept. 2, 2022
13th International Conference on Porous Media (Interpore), Edinburgh, UK, May 30-June 4, 2021
12th International Conference on Porous Media (Interpore), online, Aug. 31-Sept. 3, 2020
International Conference on Generalized Functions, Ghent, Belgium, Aug. 31–Sept. 4, 2020
Finite Volumes for Complex Applications IX, Bergen, Norway, June 15-19, 2020 
European conference on numerical mathematics and advanced applications (ENUMATH), Egmond aan Zee, The Netherlands, Sept. 29-Oct. 4, 2019
11th International Conference on Porous Media (Interpore), Valencia, Spain, May 6-10, 2019
10th International Conference on Porous Media (Interpore), New Orleans, USA, May 14-17, 2018
European conference on numerical mathematics and advanced applications (ENUMATH), Voss, Norway, Sept. 24-29, 2017
7th International Conference on Advanced COmputational Methods in Engineering (ACOMEN), Gent, Belgium, Sept. 18-22, 2017
9th International Conference on Porous Media (Interpore), Rotterdam, The Netherlands, May 8-11, 2017
5th International Conference on Applications of Porous Media, Cluj Napoca, Romania, Aug. 25-28, 2013
2nd International Conference on Non-linearities and Upscaling in Porous Media (NUPUS) Bergen, Sept. 30- Oct. 2, 2013 
6th International Conference on Applied Mathematics (ICAM6), Baia Mare, Romania, Sept. 18-21, 2008

Summer schools
'Adaptive methods and a posteriori error estimation', Hasselt University, Belgium, June 24-27, 2024
'Discontinuous Galerkin Methods', Hasselt University, Belgium, June 27-30, 2022
'Phase field modeling', Hasselt University, Belgium, June 24-26, 2019
'Hyperbolic conservation laws', Hasselt University, Belgium, June 25-27, 2018
'Upscaling techniques for mathematical models involving multiple scales', Hasselt University, Belgium, June 26-29, 2017
JM Burgerscentrum course on "Upscaling techniques and homogenization", Eindhoven University of Technology, Eindhoven, the Netherlands Nov. 14-18, 2011