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ZARZA We are Zarza, the prestigious firm behind major projects in information technology.

Jelte Posthumus

Podcastmaker | Radiomaker | Grappenmaker

Latest episodes of the podcast Jelte Posthumus

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Coaching for Directors

Coaching for Directors is the monthly Podcast with business and senior management topics made for you!

Discover the fascinating universe of The Sales Hunter that skillful sales wizard capable of persuading and conquering customers. In this exciting analysis, we will explore the multiple facets of closure from their psychological manipulation techniques to their ability to overcome obstacles and achieve success in sales. Immerse yourself in the art of closing any deal and uncover the secrets of closing masters; prepare for a…

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Deal closer: The strategic art of the sales hunter

December 15, 2023

Coaching for Directors

Mastering the G-Plan: Managerial Guide for a Glorious Strategic Planning

November 16, 2023

Coaching for Directors

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ZARZA We are Zarza, the prestigious firm behind major projects in information technology.

Jelte Posthumus

Latest episodes of the podcast Jelte Posthumus

Information Technology (IT)

Dot COM: The Internet’s dominant TLD

Bandwidth: Broadband or Narrowband?

Personnel recruitment via Web

Deep web or Invisible Internet

Subdomains, a glance with the experts!

Free Internet, a prediction in Nostradamus style

Educational Technology: From traditional to digital

Localhost, there’s no place like 127.0.0.1

Googling with breathtaking tricks you ignore

Internet Predators on the prowl

Gray Hat Hacking, those with ambiguous ethics…

Dot COM: The Internet’s dominant TLD