Data Science has been called the sexy profession by Harvard Business Review, and is one of the fastest growing, most sought after professions. Data Science is advancing through the rapid adoption of Machine Learning and Artificial Intelligence (AI) in everything from mobile phones to large Line-of-Business applications. Business Analysis (BA) on the other hand has seen more modest growth and is often seen as more of an art than a science. Are these two professions so different? Are Business Analysts really going to be pushed out in favour of Data Scientists?