July 5-6 (2017) Girona, Spain
XXXIII Annual Meeting of Reference Network on Theoretical and Computational Chemistry (XRQTC)
(Session Chairman)

June 25-29 (2017) Sitges, ES
XXXVI Reunión Bienal of the Real Sociedad Española de Química
Organizer Symposium Progress in Theoretical Chemistry: Biomolecules and Materials (together with Gonzalo Jiménez-Osés and Núria López) (Session Chairman)

June 5-9 (2017) Smolenice Castle, SK
International Conference on Coordination and Bioinorganic Chemistry
(Session Chairman)
Seminar (contributed plenary):
"The inner side of high-valent metal-oxo reactivity"

September 4-8 (2016) Krakow, Poland
VII Current Trends in Theoretical Chemistry conference
(Session Chairman)

June 23-25 (2016) Uppsala, Sweden
Empirical Valence Bond workshop: Advancing the Frontiers of (Bio)Chemistry with Valence Bond Approaches
(Session Chairman)

June 30-July 3 (2014) Girona, Spain
XI Girona Seminar
(Session Chairman)

January 7-9 (2014) Manchester, UK
Multiscale Modelling of Condensed Phase and Biological Systems conference
(Session Chairman)

May 21-26 (2013) Parry Sound, Ontario, Canada:
4th Georgian Bay International Conference on Biological Inorganic Chemistry
(Session Chairman)

July 2-5 (2012) Girona, Spain:
X Girona Seminar
(Session Chairman)

June 11-12 (2012) Barcelona, Spain
XXVIII Reunió de la Xarxa de Referència en Química Teòrica i Computacional
(Session Chairman)

March 31-April 2 (2008) Cardiff, Wales:
MGMS Spring Meeting on Bioinorganic Chemistry:
(Session Chairman)