Dick Mulder RT RMT was appointed as senior valuer for the Rotterdam Region. Dick studied Business Administration at the Erasmus University of Rotterdam. Hereafter he began a vocational training in brokerage, focusing on residential and small/ medium-sized enterprises, as well as following a practicum as Registered Valuer. Before joining Colliers, Dick worked for ‘t Goeie Huys Vastgoed.
 
In Amsterdam Audrey Kroon began as valuer within the Residential team of Colliers. Audrey studied Business and her previous places of employment were De Keizer Makelaarsgroep, FHG Bank Utrecht and Onafhankelijke Taxateurs Nederland.
 
Ronald Koemans RT RMT joined as a valuer in the Commercial team of Colliers International in Amsterdam. Ronald studied Management, Economics and Law at the Hogeschool InHolland. Before joining Colliers, Ronald worked as broker/valuer at Basis Bedrijfshuisvesting B.V.
 
Robyn Wissenraet was appointed as assistant-valuer within the Residential team of Colliers in Amsterdam. Following her college education in Constructional Engineering and SVM NIVO she worked at Poelwijck and De Alliantie.