Follow Kerry Balenthiran ( @17_6YrStockCyc ) on Twitter. Kerry Balenthiran studied mathematics at the University of Warwick and then worked as a Spacecraft Operations Engineer in the UK and at the European Space Agency. He qualified as a chartered accountant with Arthur Andersen and now works as a consultant within financial services. His mathematical background led to a fascination with the cyclical nature of stock market booms and busts. Kerry Balenthiran's first book "The 17.6 Year Stock Market Cycle, Connecting the Panics of 1929, 1987, 2000 and 2007" is out on 25th February 2013.