Derek Sietses is a partner of ENVIR Advocaten. Derek’s expertise covers administrative law, including environmental law, EHS matters and nature conservation law, as well as civil law, including contracts liability matters.
Derek has extensive experience in complex, politically sensitive cases, both representing local authorities, including municipalities, provinces and enforcement agencies, and companies and developers. In particular, Derek assists both government bodies and developers in various wind and solar projects on questions relating to contracting, permitting, civil law aspects and municipal taxes.
Derek is practical and efficient and brings a strategic and commercial approach to the table when assisting his clients. He is therefore well-placed to help his clients successfully navigate the complex legal context in which they operate.
Prior to joining ENVIR Advocaten in 2019, Derek worked for Stibbe Amsterdam in the administrative law and litigation department and at Trip Advocaten en Notarissen in Leeuwarden in the administrative law department. Derek regularly publishes in Dutch scientific and professional journals and gives lectures on various legal topics for a wide range of audiences. Derek heads ENVIR Advocaten’s Leeuwarden office.
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