Ep 42 – The Truth About Derek Halpern
The Truth About Marketing - Podcast készítő Kevin Rogers
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Derek Halpern reveals his "closet introvert" way of fearlessly speaking in front of an audience - without having to wow them
The Truth About Marketing - Podcast készítő Kevin Rogers
Derek Halpern reveals his "closet introvert" way of fearlessly speaking in front of an audience - without having to wow them