"From our start to our reaching profitability, Atlas Venture has always supported Actelion's vision of pursuing excellence in medical innovation, clinical development, marketing and sales, even at times when that required significant faith in the outcome of our pipeline. Such attitude, balanced by sound financial judgment, is the best of what founders of biotech companies can expect from their venture-capital backers."

Dr. Jean-Paul Clozel, CEO and Founder Actelion