Poland's ruling party tightens grip on big state firms

People walk outside PZU's headquarters in Warsaw, Poland September 20, 2017. REUTERS/Kacper Pempel

WARSAW (Reuters) - When presidential aide Malgorzata Sadurska joined the board of Poland's biggest and oldest insurance company this summer, her lack of business experience was no obstacle.

Her main qualification to help run state-owned Powszechny Zaklad Ubezpieczen (PZU) was something else -- loyalty to the ruling Law and Justice (PiS) party.