Jaakko Halmetoja is a nutrition expert, non-fiction writer and active lecturer. He is passionate about maintaining a state of exceptional health through nutrition and lifestyle in a way that is fun and enjoyable. Known as a pioneer of the superfood phenomenon, popularizer of the chaga mushroom and other medicinal fungi and "chocolate alchemist", Mr Halmetoja has introduced the general public of Finland to the health benefits and unique uses of various foods and medicinal plants through TV and radio appearances and more than 600 public lectures.