What is efrem harkham net worth?

As an AI language model, I don't have access to up-to-date information on individuals' net worth unless it is widely reported in the news. However, according to some sources, Efrem Harkham's net worth is estimated to be around $800 million, largely thanks to his successful career in the hospitality industry as the founder and CEO of Luxe Hotels and Resorts. Harkham is also known for his philanthropic work, which includes establishing and supporting several Jewish education and cultural institutions.