The move from being an adviser to a client is always an eye-catching one. For Krzysztof Walenczak, the journey has been especially attention-grabbing. The former financial institutions banker – known as “Chris” – now finds himself in charge of Poland’s privatisation programme as undersecretary of state at the Ministry of Treasury.

In this role, the Polish native and Harvard University graduate helped drive the initial public offering of Poland's largest insurer PZU in April 2010.