NASA’s 2023 Year of Open Science In January 2023, the White House Office of Science and Technology Policy (OSTP) declared 2023 to be aYear of Open Science (YOS) to celebrate the benefits and successes of open science and inspire morescientists to adopt open science practices. Seventeen federal agencies, a coalition of universities, andother intergovernmental bodies and organizations in the U.S. and internationally coalesced around thisinitiative to accelerate momentum alongside key policy shifts. The YOS declaration follows the globalcommitment to open science made by United Nations member states through the adoption of UNESCO’sRecommendation on Open Science in late 2021. This opening plenary brings together representativesfrom UNESCO, OSTP, and NASA to share highlights of initiatives and achievements realized during theYOS and to foster discussion about ongoing opportunities and challenges in the global coordination ofscience reform movement. Speakers will offer insights into where UNESCO, OSTP, and NASA arecontinuing to invest in and ramp up efforts and answer questions in this moderated panel-style session.