Diederik Stolk & Graeme Goldsworthy have been working together for the past decade. In 2014 they founded Goldsworthy, Stolk & Associates with the belief that service personnel need better exercises, simulations and wargames in order to meet the challenges of future combat and relief operations. 
 

Graeme Goldsworthy is a wargamer, a veteran (UK Armed Forces), a mine specialist and a humanitarian. He has multiple operations and foreign postings on his name. 

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Diederik Stolk has a background in simulation design, war-gaming, scenario-writing and strategy. He has worked for various government agencies, NGOs and multinationals. He currently also works for the NATO CIMIC Centre of Excellence