Jeff MacGregor is an award-winning communications executive known for helping science-based organizations establish and develop their communications capabilities and strategies. He is Vice President of Communications for Science at the Chan Zuckerberg Initiative (CZI) and Head of Communications and Brand at the Chan Zuckerberg Biohub (CZ Biohub) where he oversees their communications and brand functions and serves as chief science communications advisor to their scientific leadership, co-founders, and co-CEOs.