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Nicolas CELIS Nicolas CELIS
Nicolas CELIS

  • Associate
Tel. +32 2 675 30 30
Email get in touch



Nicolas Celis obtained his Master in Law at the University of Antwerp in 2016 (cum laude). He subsequently specialised in environmental and climate law and obtained an LL.M. in the field at the University of Edinburgh in 2017.

Nicolas started his career in 2017 as a lawyer at GSJ advocaten. He won the prestigious Herman De Winter price in 2021 and joined the same year Janson, where he is part of the Energy, climate change and mobility department. He is also preparing a PhD on the transnational effects of climate litigation at the University of Lincoln.

Languages: Dutch, French, English, Spanish


Work experience

  • 03/2021 - ...: Associate - Janson
  • 2017 - 2021: Associate - GSJ advocaten

Other mandates

  • 2014: President of the European Law Students' Association


  • 01/2018 - ...: PhD on the transnational effects of rights-based climate litigation on the development of climate change law, University of Lincoln 
  • 09/2016 - 09/2017: LL.M. in Global Environment and Climate Change Law, University of Edinburgh
  • 07/2011 - 07/2016: Master in Law, University of Antwerp (cum laude)
Awards and honours
  • 2021: Winner of the Herman De Winter price at the Ridder René Victor moot court competition 

Brussels: + 32 2 675 30 30
Ghent: +32 9 240 77 20
Mons: +32 65 22 10 00
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