to KKCG. In 2011 PPF Group founded a new bank in 2011 called - Air Bank, specialising in online banking. Then, towards the end of 2012, SOTIO became a member of PPF Group. SOTIO is a biotechnology company developing new Active Cellular Immunotherapy ("ACI") for the treatment of cancer and autoimmune diseases. In 2013 Jiří Šmejc sold his 5% share in PPF Group to Petr Kellner. As part of the transaction Mr Smejc acquired a 13,4% share in Home Credit N.V. and Air Bank. In November 2013, PPF Group acquired a 66% share in the Czech telecommunications company Telefónica O2 Czech Republic for 63,6 billion CZK ($3.2 billion). In August 2015 the general shareholders meeting authorized the division of the company into O2 – a mobile service provider, and CETIN, a telecommunications infrastructure and network company. In March 2018, PPF Group agreed to buy Telenor's operations in Southeast Europe, namely Bulgaria (Telenor Bulgaria), Hungary (Telenor Hungary, Telenor Common Operation), Montenegro (Telenor Montenegro) and Serbia (Telenor Serbia) for a sum of EUR 2.8 billion. In September 2019, PPF Group acquired a 19.2% stake in biopharmaceutical firm Autolus Therapeutics, making it the company's biggest shareholder. In October 2019, AT&T agreed to sell its stake in broadcasting company Central European Media Enterprises (CME) to PPF. In May 2022, Renáta Kellnerová announced the appointment of Jiří Šmejc as the Group’s Chief Executive Officer, who assumed his post on 15 June 2022. Philanthropic activities Since 2019, most of the PPF Group's philanthropic activities have been united in the PPF Foundation, which supports science and education, the arts and care for Czech cultural heritage, civil society, community development and children's sports. In 2021, PPF Foundation supported 31 projects, to which it distributed more than CZK 55 million. PPF supports some projects in cooperation with The Kellner Family Foundation. This foundation focuses on improving the quality of education in public primary schools in the Czech Republic, supports socially disadvantaged students at the Open Gate - Grammar and Primary School in Babice, and provides grants to Czech students to study at international universities. Since its foundation, The Kellner Family Foundation has given CZK 1.6 billion in support of educational activities in the Czech Republic. Through its subsidiary PPF Art, PPF manages the collection of Czechoslovak and Czech photography, one of the largest private collections in the Czech Republic. PPF Art also runs two Prague galleries, The Josef Sudek