** Conferences that I have co-organized: **

** Winter School Geometry, Algebra and Combinatorics of Moduli Spaces and Configurations IV, Dobbiaco (Toblach), February 24-28, 2020. **

**A conference in honour of Corrado De Concini: Representation Theory In Venice, 16-19 September 2019, Palazzo Franchetti, Venice (Italy). **

** Winter School Geometry, Algebra and Combinatorics of Moduli Spaces and Configurations III, Dobbiaco (Toblach), February 18-22, 2019. **

** Sesto incontro
COMBINATORIA DEI SISTEMI DI RADICI, 12-14 ottobre 2018 Pisa, Scuola Normale. **

**Pisa-Hokkaido Summer School Mathematics and its Applications 2018, August 27 - September 8 2018, Pisa.**

** Winter School ``Geometry, Algebra and Combinatorics of Moduli Spaces and Configurations II'', Dobbiaco (Toblach), February 18-23, 2018. **

** Workshop ``Topology of Arrangements and Representation Stability'', January 14-20, 2018, MFO Oberwolfach. **

** Conference ``Arrangements and beyond: Combinatorics, geometry, topology and applications'', June 6-9, 2017, Centro De Giorgi, Pisa. **

**Conference ``Perspectives in Algebraic Topology: a day in honor of Mario Salvetti'', June 5, 2017, Dipartimento di Matematica, Pisa. **

** Quinto incontro
COMBINATORIA DEI SISTEMI DI RADICI, 19-22 maggio 2017, Cortona, Palazzone della Scuola Normale. **

**Winter School Geometry, Algebra and Combinatorics of Moduli Spaces and Configurations, February 19-25, 2017, Toblach (Dobbiaco). **

**Pisa-Hokkaido Summer School Mathematics and its Applications, August 29 - September 17 2016, Pisa.**

** Mini school/workshop Perspectives on arrangements and configuration spaces, September 8 and 9, 2016, Centro De Giorgi, Pisa.**

**Quarto incontro
COMBINATORIA DEI SISTEMI DI RADICI, 16-19 aprile 2016, Cortona, Palazzone della Scuola Normale **

** Workshop `Arrangements: topology, combinatorics and stability', 3-6 Feb 2016, Dipartimento di Matematica, Pisa **

** Special period on 'Algebraic topology, geometric and combinatorial group theory' , Centro De Giorgi, Pisa, from Feb 8 2015 to Feb 28 2015.
Workshop 'Combinatorics and
Algebraic Topology of Configurations', Centro De Giorgi, Pisa, from Feb 17 2015 to Feb 20 2015. **