Daisy Hollman is a Member of Technical Staff at Anthropic, where she works on Claude Code. Before joining Anthropic, she spent a decade on the ISO C++ standards committee, where she chaired the study group on C++ ranges and contributed to the standardization of std::mdspan, std::atomic_ref, and the executors work that became std::execution. Her areas of expertise include metaprogramming, generic programming, concurrency, and library design. She holds a PhD in theoretical quantum chemistry, where she focused on sparse and efficient methods for ab initio calculations. Her work is driven by a passion for making software engineering more accessible and inclusive.