Our team

Service and quality are of paramount importance to our committed and expert employees. With the specialist knowledge and extensive experience of our team, we are happy to take on any challenge, small or large. Meet the Winkelman Engineering & Consultancy team.

Card image

Mark Winkelman

CEO and Founder +31 6 2065 8502
Card image

Ruth Holwerda

Office manager +31 512 745132
Card image

Theunis Talstra

Project manager +31 6 1112 6075
Card image

Ewout van Halteren

Building physics advisor +31 62946 9019
Card image

Gerben Pieterman

Project manager +31 6 5267 1143
Card image

Marjolein Schipper

Engineer HVAC +31 512 745132
Card image

Martin Smit

HVAC technical consultant +31 6 2160 0040
Card image

Ate Reitsma

Electrical engineering consultant +31 6 1790 0929
Card image

Moshe Sasson

HVAC Technical consultant +31 6 2186 9399
Card image

Stiffan Latour

Junior technician +31 512 745132
Card image

Aafke Winkelman

Office manager +31 512 745132