which are Mark Zuckerberg and Priscilla Chan (pledged $600 million, shared with UCSF and Stanford University, to form the Biohub); Vitalik Buterin, Patrick Collison, John Collison, the Ron Conway family, Crankstart, Elad Gil and Jennifer Huang Gil, Daniel Gross, Dustin Moskovitz and Cari Tuna, and Hemant and Jessica Taneja, along with Jane Street principals Matt Berger, Craig Falls, Rob Granieri, James McClave, and Adam Winkel, (pledged $650 million, shared with Stanford and UCSF, to form the Arc Institute); BP (pledged $400 million to research biofuels); the Bill and Melinda Gates Foundation (over $73 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, and a gift in 2020 of $252 million to support data science. The 2008–13 "Campaign for Berkeley" raised $3.13 billion from 281,855 donors, and the "Light the Way" campaign, scheduled to conclude at the end of 2023, has raised over $6.2 billion. Academics Berkeley is a large, primarily residential Tier One research university with a majority of its enrollment in undergraduate programs but also offering a comprehensive doctoral program. The university has been accredited by the Western Association of Schools and Colleges Senior College and University Commission since 1949. The university operates on a semester calendar and awarded 8,725 bachelor's, 3,286 master's or professional and 1,272 doctoral degrees in 2018–2019. The university's academic enterprise is organized into 14 colleges and schools, which, in turn, comprise 180 departments and 80 interdisciplinary units offering over 350 degree programs. Colleges serve both undergraduate and graduate students, while schools are generally graduate only, though some offer undergraduate majors or minors. College of Chemistry College of Engineering College of Environmental Design College of Letters and Science Goldman School of Public Policy Graduate School of Journalism Haas School of Business Rausser College of Natural Resources School of Information School of Education School of Law School of Public Health School of Social Welfare Wertheim School of Optometry UC Berkeley Extension (currently has two locations, in downtown Berkeley and downtown San Francisco). Undergraduate programs The four-year, full-time undergraduate program offers 107 bachelor's degrees across the Haas School