Direct contact: 073 - 8513204 of 06 - 52335250|info@istn.nl

Effectieve workshop

Verkoopworkshop ‘Maak van je lead een klant!’

op vrijdag 27 maart 2026 9.00 – 13.00 uur in Vught

2026-01-23T09:46:01+00:00

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Verkoopworkshop ‘Maak van je lead een klant!’

op vrijdag 27 maart 2026 9.00 – 13.00 uur in Vught2026-01-23T09:46:01+00:00

Masterclass “Professioneel Coachen via de GROW-methodiek”

woensdag 4 maart 2026 in Vught van 10.00 – 16.00 uur

2025-12-22T10:57:03+00:00

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Masterclass “Professioneel Coachen via de GROW-methodiek”

woensdag 4 maart 2026 in Vught van 10.00 – 16.00 uur2025-12-22T10:57:03+00:00

Teamworkshop ‘Afspraken scoren!’

2025-12-22T11:46:18+00:00

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Teamworkshop ‘Afspraken scoren!’

2025-12-22T11:46:18+00:00
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Blogs & tips van Jef van Wingerden ISTN training & advies

Jef van Wingerden

Jef van Wingerden is verkooptrainer bij ISTN training en advies. Hij heeft als accountmanager, marketeer, verkooptrainer bij Wegener gewerkt.
Als marketeer zat hij ten minste een dag in de week samen met de Sr Accountmanager of Salesmanager bij klanten om hun marketinguitdaging te helpen op te lossen. Deze ervaring gebruikt hij nu reeds tien jaar in zijn eigen bedrijf, om bedrijven te helpen aan meer omzet door meer klanten die meer kopen.

Direct contact:
073 - 8513204
06 - 52335250
info@istn.nl
www.istn.nl

Linken op Linkedin:
https://www.linkedin.com/in/jef-van-wingerden

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