Through his charity CORE, the actor and director Sean Penn will be supplying aid to Ukrainian refugees and announced a partnership with Krakow, Poland’s mayor Jacek Majchrowski in the initiative. According to current plans, CORE will be opening an office in the city which will be a refugee center. Its employees will be trained in assisting refugees in border crossing and resettlement, and the charity will also be paying for the renovation of several buildings in Krakow that will house up to 50 refugees. Penn has been very vocal and active during the Russian invasion of Ukraine this year and ha…