'On Becoming Extraordinary - Decoding Freshfields Bruckhaus Deringer and other Star Professional Service Firms' reveals the strategy of Freshfields Bruckhaus Deringer and the world's best professional service firms. The book takes the reader deep inside the workings of the 'peak of the pyramid'. Pieter Klaas Jagersma, Ph.D., is a researcher, business professor, and advisor to professional service firms. He serves on the supervisory board of various companies.