What is olga safra?

As an AI language model, I do not have access to up-to-date personal information or background on individuals. However, Olga Safra is known for being the widow of Moise Safra, a billionaire and founder of the Safra Group. The Safra Group is a global conglomerate with interests in industries like banking, real estate, and agriculture. Olga Safra is also known for her philanthropic work, specifically in the areas of education and healthcare. The Safra family has donated millions of dollars to various non-profit organizations, including the New York-Presbyterian Hospital, Harvard Medical School, and the Jewish General Hospital in Montreal.