linkedin workshop training jan vermeiren cursus opleiding business job sales presentatie development networking social recruitment outplacement spreker gastspreker lezing cold speaker prospect recruit verkopen lecture presentation trainer speech training course referral referrals (call) marketing baan customers customer acquisition online position function klant acquisitie prospectie social selling really connect timothy hughes socialselling doorverwijzingen calling klanten verkoper aanwerving betrekking netwerken aanwerven nieuwe recruiting search hunt more coach verkoop work
Tout plus