Berkeley has also benefited from the giving of individuals, corporations, and foundations, notable among which are Mark Zuckerberg and Priscilla Chan (pledged $600 million, shared with UCSF and Stanford University, to form the Biohub); BP (pledged $400 million to research biofuels); the Bill and Melinda Gates Foundation (over $68 million since the foundation's creation), billionaire Sir Li Ka-Shing (multiple gifts, most notably a $40 million gift in 2005), Israeli-Russian billionaire Yuri Milner, Thomas and Stacey Siebel, Sanford and Joan Weill, and professor Gordon Rausser ($50 million gift in 2020). Several significant gifts have been made anonymously, including a 1999 gift of $50 million to support molecular engineering, a 2018 gift of $50 million to support STEM faculty, a $70 million gift in 2019 to support the BioEnginuity Hub, and a gift in 2020 of $252 million to support data science.