Supply Management

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Guido is the founder of Adjust and has 18 years of purchasing experience, as purchasing manager and as purchasing consultant in both the profit and non profit sector. Guido’s experience is very broad. In the non profit sector he mainly has experience in putting out infrastructural work for tenders. He is also specialised in MRO and lease car purchasing. With Adjust, Guido has the drive to make the Dutch industry more competitive.

E: guido.winnink (at)
T: 06-29411280

Jeffrey has 13 years of experience as purchaser and as purchasing consultant. He has worked in the health industry, for ministerial services and for municipal government. Jeffrey has a broad experience in tendering: WMO, ICT, facility, P&O. He is not only able to bring complex tenders to a successful conclusion, but he is also excellent at taking the wishes of the internal customers into account and at settling policy matters for management.

E: jeffrey.huntink (at)
T: 06-23810606