Useful Belief: Because It's Better Than Positive Thinking
Useful Belief: Because It's Better Than Positive Thinking
CHRIS HELDER is one of the world's most outstanding speakers on the topic of communication, leadership and influence. He is the author of the best-selling book The Ultimate Book of Influence.
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CHRIS HELDER is one of the world's most outstanding speakers on the topic of communication, leadership and influence. He is the author of the best-selling book The Ultimate Book of Influence.
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