Sjaak De Graaf works for Gemeente Alphen Aan Den Rijn

Sjaak De Graaf's role in his workplace is Ontwerpleider Civiele Techniek .

Sjaak De Graaf works in the industry Government Administration.

Sjaak De Graaf's email address is sjaak.degraaf@grontmij.nl

Sjaak De Graaf's direct phone number is +3165-757-9546

Sjaak De Graaf attended Hogeschool Van Arnhem En Nijmegen (Han).

Sjaak De Graaf has skills like Civil Engineering, Road, Civil, Water Management, Soil, Water, Drainage, Foundation Design, Geotechnical Engineering, Microstation, Civil Litigation, Highways, Engineering, Sewer, Bridge, Environmental Awareness, Dutch, Civiele Techniek, Techniek, Duurzaamheid, and Contractmanagement.

Sjaak De Graaf's colleagues are Tomas De Smet, Natalia Portegies, Jan Duinker, Johan Vergunst, Heleen Lagerberg, Kristien Van Den Oever, and Marjolein Sjoukens.

Sjaak De Graaf's peers at other companies are Laurens Visser, G.G Van Veelen, Homerito Santos, Rajkishore Panigrahi, Syed Bukhari, Bogdan Tudorache, and Cathal Nee.