"Don't ever feel bad for making decisions that upset other peopple. You are not responsible for their happiness. You are responsible for your happiness." Isaiah Henkel quote. This quote is discussable and can be easily misunderstood. Isaiah Hankel is an internationally recognized speaker and author who helps individuals, teams and organizations develop a more entrepreneurial mindset to accelerate their business success. Isaiah’s unique background allows him to offer a scientific approach and tangible methodology to the pursuit of purpose, focus and other entrepreneurial values that every individual and even the largest company can apply. Isaiah has a Ph.D. in Anatomy and Cell Biology and has worked extensively as a Fortune 500 consultant in the biotechnology industry and with some of the world’s leading corporations, including Amgen, GlaxoSmithKline, Pfizer, Roche and Genentech. He has also presented at many of the world’s premier academic institutions, including Harvard University, Stanford University, Oxford University, Cambridge University, The Pasteur Institute and The Curie Institute.