Germany

Jacobus (Sjaak) van Vliet

Jacobus (Sjaak) van Vliet

Johan van Veen

Johan van Veen

Jacobus (Sjaak) van Vliet

“83.7 % is preparation” Sjaak is a Negotiation Strategist and Master Trainer with ENS. A biologist by profession the majority of his clients are in the pharmaceutical...

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Johan van Veen

“We will help you succeed!” Johan van Veen is a negotiation strategist, coach and facilitator. Working on all continents he brings 30+ years of experience in different...

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