Mr. Walter Nimmo is an angel investor. He served as Advisor at Scottish Equity Partners. Walter Nimmo founded Inveresk Clinical Research in 1998 as an independent Scottish clinical contract research organization. As a self funded start-up, Nimmo led Inveresk through a period of strong growth before merging it with, and subsequently re-purchasing it from, SGS. By 1999, Inveresk had revenues of £42 million and a staff of more than 600. In 2002, as chief executive, Nimmo listed Inveresk on NASDAQ with a valuation of $600 million. Two years later, he merged it with Charles River Laboratories, a transaction which valued Inveresk at $1.5 billion. Nimmo was non-executive vice chairman of Charles River Laboratories until 2005. He is on the board of directors at Aberforth Smaller Companies Trust and several private companies. He is an honorary professor at the University of Edinburgh Medical School. He was Scottish Entrepreneur of the Year 2002 and Edinburgh Alumnus of the Year 2003.