Pieter works for CEOs, directors and entrepreneurs representing the following sectors :
| Fast moving |
|
Duracell, Heineken, TNT, Smurfit Kappa |
| Transport |
|
Hertz, HTM, KLM |
| Insurance |
|
ABP, Hooge Huys, De Goudse, DELA |
| Durables |
|
Siemens VDO, Volkswagen, Audi |
| Banks |
|
ING, ABN-AMRO, Rabobank |
| Retail |
|
V&D, HEMA, Expert |
| ICT |
|
KPN, T-mobile, Sun, Volker Wessels |
| Publishers |
|
Telegraaf, HDC Media, NDC|VBK |
| Advisors |
|
Houthoff, TCN, Box Consultants |
Government |
|
Province Limburg, Min. van VWS |
| Care |
|
Zorgboog, Proteion, Tredin |
| Education |
|
BSN, INHOLLAND, Nyenrode, RuG |
| Venues |
|
Figi, Sanday's, Bilderberg |
| Hospitals |
|
Jeroen Bosch, Elkerliek |
|
|
 |
