"Collective motion of epithelial cells in tissues", invited speaker at Euromech 632 symposium "Data-driven modeling of porous, composite and polycrystalline microstructures for predicting their mechanical and transport properties", Science Center Castle Reisensburg of Ulm University, Germany, September 2023.

"Quantum transport" (6 lectures), plenary speaker at XLVIII Ravello Summer School on Mathematical Physics, Istituto Nazionale di Alta Matematica,  Gruppo Nazionale di Fisica Matematica, Ravello, Italy, September 2023.

"Collective motion of epithelial cells in tissues", plenary speaker at 14th International Symposium on Continuum Models and Discrete Systems (CMDS 14), Paris, France, June 2023.

"Scale free chaos in the confined Vicsek flocking model", invited speaker at XXVII Sitges Conference on Statistical Mechanics, Sitges, Spain, June 2023.

"Models and numerical simulations of collective cellular motion", invited speaker at Minisymposium 'Perspectives and Successes of Mathematical Challenges in Industrial Applications' at the SIAM Conference on Computational Science and Engineering, Amsterdam, The Netherlands, March 2023.

"Scale free chaos in insect swarms", invited speaker at 1st Spanish Fluid Mechanics Conference, Cádiz, June 2022.

"Flock formation in a confined potential", invited speaker at Workshop ‘Scales, scaling, symmetries and complexity: From theory to big data, from urban systems to  climate and pandemics’, American Geophysical Union (AGU) Fall meeting 2021, New Orleans, Georgia, Dec 2021.

"Designing chaotic attractors with semiconductor superlattices for fast generation of true random number sequences", invited speaker at Minisymposium 'Mathematical Modelling of Charge Transport in Graphene and Low Dimensional Structures', ECMI Conference 2021, Wuppertal,  13-15 april, 2021.

"Topological data analysis in industry and biomedicine", invited speaker at ECMI Webinar 'Math for Industry 4.0:  Models, Methods and Big Data', Weierstrass Institute für Angewandte Analysis und Stochastik (WIAS), Berlin, Germany, 2-3 december, 2020.

"Current induced by fluctuations in freestanding graphene", invited speaker at Winter Workshop 'Low-dimensional solids in hard and soft condensed matter: mechanics, thermodynamics, electrons', Aspen Center of Physics. Aspen, Colorado, USA, 2-7 february, 2020.

"Dynamics driven by noise in condensed matter and active matter systems", invited speaker at Minisimposium 'Novel Noise-Driven Dynamics in Far-from-Equilibrium Systems', SIAM Conference on Applications of Dynamical Systems, Snowbird, Utah, USA,19-23 may, 2019.

"Formation and growth of blood vessels and characterization of the resulting vascular network by ensemble averaged densities" plenary speaker at Workshop 'Physics and mechanics of random structures: from morphology to material properties', in honor of Dominique Jeulin, Mines Paris Tech, Île de Oléron, France, 17-22 june, 2018.

"Stochastic modeling and analysis of blood vessel formation", invited speaker at  Workshop 'Geometry of soft matter'. International Institute of Physics, Natal, Brazil, 21-25 may, 2018.

"Stochastic modeling and analysis of blood vessel formation", invited speaker at Workshop 'Modeling biological phenomena from nano to macro scale', Fields Institute Focus Program 'Nanoscale systems and coupled phenomena', Toronto, Canada, 30 april - 4 May 2018.

"Two-dimensional collective electron magnetotransport, oscillations, and chaos in a semiconductor superlattice", invited speaker at Workshop 'Recent Progress in Nonlinear Quantum Mechanics, Theory, Simulations and Experiment', Fields Institute Focus Program 'Nanoscale systems and coupled phenomena', Toronto, Canada, 9 - 13 april 2018.

"Stochastic modeling and analysis of tumor-induced blood vessel formation" Invited speaker at Special Focus Session on 'Noise-driven dynamics in far-from-equilibrium systems',  March Meeting of the American Physical Society, Los Angeles, USA,  2018. 

"Understanding angiogenesis through modeling and asymptotics" pleanary speaker at  Conferencence 'Advances in Mathematics for Technology AMATH 2017', Villa Citelli, Catania, Italia,  9 - 11 October 2017.

"Ripples in graphene". Invited speaker at the Workshop 'Analysis of Dislocation Models for Crystal Defects', Banff International Research Station (BIRS) - Casa Matemática Oaxaca (CMO), Oaxaca,  México, 25 - 30 June 2017.

"Understanding angiogenesis through modeling and asymptotics". Invited conference in the  Workshop 'Life Sciences' within the Institut Henri Poincaré Thematic program 'Stochastic Dynamics out of Equilibrium',  Paris-France, 16 - 18 May 2017.

"Understanding angiogenesis through modeling and asymptotics". Invited conference in the congress Mathematics in the Spirit of Joe Keller, Newton Institute, University of Cambridge, Cambridge, UK. 2-3 March 2017.

"Tumor induced angiogenesis", at the Workshop Coupled Mathematical Models for Physical and Biological Nanoscale Systems and Their Applications, Banff International Research Station (BIRS), Banff, Alberta, Canada, 28 August-2 September, 2016.

Plenary speaker at the XXV Sitges Conference on Statistical Mechanics: Non Equilibrium Phenomena in Confined Systems. Barcelona, Spain, 6-10 June 2016.

"Hybrid modelling of tumor induced angiogenesis", conference at University of Iceland, July 9, 2015, within the NILS Mobility Program.

"True random bit generators and spontaneous chaos in semiconductor superlattices", conference at University of Iceland, July 7, 2014, within the NILS Mobility Program.

Plenary speaker at the XXIV Sitges Conference on Statistical Mechanics: New Horizons in Statistical Physics and its Applications. Sitges, Spain, 9-13 June 2014.

Speaker at the Minysimposium on ''Semiclassical and quantum transport in semiconductors and low dimensional materials'', European Conference on Mathematics for Industry ECMI 2014, Taormina, Italy, June 9-13 2014.

Plenary speaker at "A Conference to celebrate Mathematical Modeling on the occasion of the 90th birthday of Joseph B. Keller", EPFL, Lausanne, Switzerland, 30-31 August 2013.

Speaker at the Minysimposium on ''Mathematical modeling of dislocations in crystalline solids'', SIAM Conference on Mathematical Aspects of Materials Science, Philadelphia, USA, June 9-12 2013.

Speaker at the Minysimposium on ''Nonlinear lattice dynamics'', SIAM Conference on Mathematical Aspects of Materials Science, Philadelphia, USA, June 9-12 2013.

Plenary speaker at the XXIII Sitges Conference on Statistical Mechanics. Sitges, Spain, 4-8 June 2012.

Plenary speaker at the Workshop on Nonlinear spin and charge transport through nanoscopic systems, Universidad de las Islas Baleares, Majorca, Spain 6-9 June 2011.

Speaker at the SIAM Conference on Mathematical Aspects of Materials Science, in the Minisymposium  ''Lattice models in Materials Science: Recent progress and open problems'', Philadelphia (USA), May 23-26 2010.

Plenary speaker at the Workshop ''Material Theories'', Oberwolfach (Germany), December 13-19 2009.

Lecturer at the II COMSON International Summer School on ''Modelling and optimization in Micro- and Nano-Electronics'', Cetraro (Italy), September 2009.

Plenary speaker at  New trends in Industrial and Applied Mathematics, International Conference in memory of Prof. A.M. Anile, Catania (Italy), November 10-13 (2008).

Speaker at the Workshop Small scale mechanical behavior of synthetic and biological structures, Barcelona (Spain), September 25-26 2008.

Plenary speaker at the International Conference of Numerical Analysis and Applied Mathematics (ICNAAM 2008), Kos (Greece), September 16-20 2008.

Plenary speaker at the Workshop 'Material Theories'', Oberwolfach (Germany),  December 16-22  2007.

Plenary speaker at GRANFL07: ''Granular Fluids - A Proving Ground for  Nonequilibrium Statistical Mechanics. Conference celebrating Javier Brey's 60th year'', Sevilla (Spain), September 26-29 2007.

Speaker at the 11th International Symposium on ''Continuum Models and Discrete Systems'', Paris (France), July 30 - August 3 2007.

Minisymposium organizer and speaker, Sixth International Congress on Industrial and Applied Mathematics (ICIAM), Zurich (Switzerland), July 2007.

Coordinator of 10 ECMI invited Minisymposiums at ICIAM 2007.

Spanish delegate, Redaction Workshop for the OCDE Global Science Forum on Mathematics in Industry, Heidelberg (Germany), June 4-5 2007.

Spanish delegate, OCDE Global Science Forum Workshop on Mathematics in Industry, Heidelberg (Germany), March 22-24 2007.

Plenary speaker at the Second International Conference on Transport Phenomena in Micro and Nanodevices, Il Ciocco, Barga (Italy), June 2006.

Plenary speaker and organizer, Recent advances in nonlinear partial differential equations and applications, in honor of Peter D. Lax and Louis Nirenberg on the occasion of their 80th birthday, Toledo (Spain), June 2006.

Speaker at the SIMAI (sociedad italiana de Matemática Aplicada e Industrial) Congress, in the Minisymposium ''Advanced modelling of semiconductor devices'', Ragusa (Italy), May 2006.

Speaker at the Joint 44th IEEE Conference on Decision and Control and European Control Conference (CDC-ECC'05), in the Workshop on ''Control of Physical Systems'', Sevilla (Spain),  December 2005.

Plenary speaker at Math everywhere. Deterministic and Stochastic Modelling in Biomedicine, Economics and Industry: A Workshop to celebrate Vincenzo Capasso's 60th birthday, Milan (Italy), September 2005.

Speaker at the Inhomogeneous random systems (IRS-2005), in the Workshop on ''Deterministic and stochastic models for coagulation and fragmentation", Institut Henri Poincaré, Paris (France), January 2005.

Plenary speaker at Fluid Mechanics: A Workshop in Honor of Amable Liñán, Granada (Spain), September 2004.

Speaker at the MACSI-net  workshop on ''Coupled problems and model reduction'', Bergische Universitat, Wuppertal (Germany), February  2004.

Organizer of the Minisymposium ''Multiscale modelling of materials: defects and growth'', 4th ECCOMAS (European congress on computational methods in applied sciences and Engineering), Jyvaskyla (Finland), 2004.

Speaker at the International Workshop in ''Trends in Pattern Formation: From Amplitude Equations to Applications'', in the European Science Foundation session on ''Spatiotemporal Dynamics in Stochastic and Nonstationary Environments'', Max Planck Institute on Complex Systems, Dresde (Germany), September 2003.

Director of the CIME Workshop on the Mathematics of Imaging (with G.C. Papanicolau), Martina Franca (Italy), 2002.

Plenary speaker at Euroconference on Asymptotic Methods and Applications in Kinetic and Quantum-Kinetic Theory, Granada (Spain), September 2001.

Speaker at the First SIAM-EMS Conference: Applied Mathematics in our Changing World, in the Minisymposium MS24 on ''Mathematical Modelling in Polymer Industry'', Berlin (Germany), September 2001.

Speaker at the First SIAM-EMS Conference: Applied Mathematics in our Changing World, in the Minisymposium MS09 on ''Nanoscale Semiconductor Devices: Mathematical Modelling and Numerical Simulation'', Berlin (Germany), September 2001.

Speaker at the 2001 March Meeting of the American Physical Society, in the Special Focus Session on  Statistical and Nonlinear Physics: Nonlinear Electronic Transport in Superlattices, Seattle (USA), 2001

Organizer of the Euroconference on ''Asymptotic methods and Applications in kinetic and quantum theory'' (with V. Capasso), Granada (Spain), 2001.

Organizer of the Minisymposium MS24 on Mathematical Modeling in Polymer industry, 1st SIAM-EMS Conference: Applied mathematics in our changing world, Berlin (Germany), 2001.

Speaker at the Workshop ''Problemi Matematici delle Teorie Cinetiche'', Catania (Italy), 2000. 

Speaker at the 11th European Conference on Mathematics for Industry (ECMI), ECMI-SIG Minisymposium on Polymers, Palermo (Italy), 2000.

Speaker at the 4th International Congress on Industrial and Applied Mathematics (ICIAM), in the ECMI-SIG Minisymposium ''Mathematics of Polymers II'', Edinburgh (UK), 1999.

Plenary speaker at Pattern Formation: Frontiers in Mathematical Biology, Cursos de Verano de la Universidad Complutense de Madrid, El Escorial (Spain), 1999.

Plenary speaker at Adriatico Research Conference on ''High-Field Transport in Superlattices", International Center of Theoretical Physics (ICTP), Trieste (Italy), August 10-13, 1999.

Speaker at the First European Symposium on Applied Kinetic Theory, Tolouse (France), 1998.

Speaker at the First International Symposium on Phase Coherent Dynamics of Hybrid Nanostructures, Miraflores de la Sierra, Madrid (Spain), 1997.

Speaker at the European Workshop on Kinetic Equations, Granada (Spain), 1996.

Speaker at the International Workshop on Applied Mathematics and Industrial Problems (ECMI), Bucarest (Rumania) 1995.

Speaker at the Third International Congress on Industrial and Applied Mathematics (ICIAM), Minisymposium on ''Semiconductor Device Simulation", Hamburgo (Germany), 1995.

Speaker at the Workshop ''Dynamics and Control of Physical Systems", Cortona (Italy), 1995.

Plenary speaker at Second Italy-Spain Meeting on ''Nonlinear Analysis and Partial Differential Equations", L'Aquila (Italy), 1995.

Speaker at the Workshop ''Fluctuation Phenomena: Disorder and Nonlinearity", San Lorenzo de El Escorial (Spain), 1994.

Speaker at the XIII Sitges Conference on Statistical Mechanics, Sitges (Spain), 1994.

Speaker at the International Conference on Nonlinear Dynamics and Pattern Formation in the Natural Environment (ICPF'94), Minisymposium ''Nonlinear Phenomena in Semiconductors and Devices and their Applications", Noordwijkerhout (the Netherlands), 1994.

Speaker at the 4 Incontro di ''Metodi e Modelli Matematici in Teoria del Transporto ed in Fluidodinamica", Padua (Italy), 1994.

Speaker at the Workshop ''Mathematical problems in Semiconductor Physics". Istituto per l'Applicazioni del Calcolo (CNR), Roma (Italy), 1993.

Speaker at the 1993 SIAM Annual Meeting, Minisymposium ''Synchronization phenomena in populations of nonlinear random oscillators", Philadelphia (USA) 1993.

Speaker at the Venice-1/Symposium on Applied and Industrial Mathematics, Venice (Italy), 1989.

Speaker at the X Sitges Conference on Statistical Mechanics, Sitges (Spain), 1988.

Speaker at the Workshop on Random Media, Institute for Mathematics and its Applications (IMA), Minneapolis, Minnesota (USA), 1985.

Speaker at the 4th Western States Mathematical Physics Meeting, California Institute of Technology, Pasadena (USA), 1985.