Our Divisions


Biosphere Sciences & Engineering
Devoted to disrupting the traditional, siloed perspective on research in the life sciences and pursuing an integrated approach to solving humanity's greatest challenges.
Visit BSE SiteBiosphere Sciences & Engineering Leadership
Aquatic ecologist Stephanie Hampton joined Carnegie as Deputy Director of Carnegie’s newly launched Division of Biosphere Sciences and Engineering at the end of July 2022. Hampton’s research focuses on the dynamic factors that shape aquatic ecosystems, with a focus on Lake Baikal in Siberia and the lakes of the Pacific Northwest. Her work has informed environmental conservation efforts and policymaking.
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Earth & Planets Laboratory
Our scientists discover new worlds; create novel materials; probe our planet’s inner workings; and seek to understand Earth’s formation and evolution.
Visit the EPL SiteEarth & Planets Laboratory Director
Experimental petrologist Michael Walter became Director of the recently formed Carnegie Earth and Planets Laboratory in 2022, where he was previously Deputy Director. His recent research focuses on the period early in Earth’s history, shortly after the planet accreted from the cloud of gas and dust surrounding our young Sun, when the mantle and the core first separated into distinct layers.
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Carnegie Observatories
The history of modern astronomy is inextricably linked to the Carnegie Observatories. Our researchers' unharnessed creativity has resulted in some of science’s biggest breakthroughs.
Visit Observatories SiteCrawford H. Greenewalt Chair and Director Carnegie Observatories
John Mulchaey, Crawford H. Greenewalt Chair and Director of the Carnegie Observatories Director, joined the Institution as a Staff Scientist in 1999. He was named Director in 2015. Mulchaey is renowned astronomer, well-regarded for his work on groups and clusters of galaxies—most of which, including our own Milky Way, exist collectively. He is also the Institution's Deputy for Science.
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