David J Bland is an author, speaker and advisor based in Northern California. He founded Precoil to help leaders find new growth through experimentation using his EMT System - Extract Map Test. David is the lead author of Testing Business Ideas (Wiley), co-authored with Alexander Osterwalder. The book has sold 100,000 copies and been translated into 20 different languages. He continues to push the ideas of innovation forward by lecturing at several universities such as Stanford, Harvard and Yale.