Co-founder and shareholder of CD Projekt, co-creator of The Witcher game series, which has sold over 20 million copies worldwide. Winner of the EY Entrepreneurs of the Year competition (2008). In 2014, he was on the Forbes 100 Richest People I Poland list. As an investor, it supports, among others, the Oddechowo meditation and development center, the reactivation of the famous Unitra, the native Mudita brand, as well as the Polbionica company, in which Polish scientists are working on a 3D printout of the pancreas to be able to transplant it to patients with type 1 diabetes.