Erkki Leppänen is a seasoned sales and marketing professional, who has trained hundreds of new talent during his career. He has also authored guidebooks for marketers. We asked Erkki Leppänen his tips on writing non-fiction books and on good reads about sales and marketing topics.
You have authored a number of popular sales and marketing books, like 'Placebo Is for Real'. How did you get interested in marketing?
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