Stanford University
Showing 141-150 of 2,696 Results
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Grzegorz M. Madejski
Lecturer, Physics
BioMy English-speaking friends know me as Greg. I was born in Poland, but my college and graduate education was in the US, respectively at MIT and Harvard. After spending 14 years at NASA/Goddard, I arrived in Stanford in 2000. My research interests are mainly in extragalactic high-energy astrophysics. This includes (1) studies of active galactic nuclei, and an associated formation and evolution of relativistic jets; and (2) studies of clusters of galaxies, and in particular the processes responsible for the heating of the X-ray emitting intra-cluster gas. Besides taking advantage of data from the Fermi Gamma-ray Observatory, I am involved in analyzing and interpreting observations performed with X-ray satellites such as NuSTAR, a recently-launched NASA satellite, sensitive in the hard X-ray band, and Hitomi, a joint Japanese - US X-ray astronomy mission.
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Ajay Madhok
Affiliate, Graduate School of Business - Academic Administration
BioAjay Madhok is a growth architect who has driven innovation from both sides—helping established organizations evolve and launching startups to challenge the status quo. His expertise lies in translating bold ideas into scalable products and high-growth platforms.
He currently serves as EVP of Business Strategy at Angel Studios and Managing Partner at the Angel Acceleration Fund. Ajay is also the co-founder of Celerity, a YC-style accelerator for story-tech ventures, and founding partner of ReViz, a creative-tech spinout enabling Gen Z to remix and co-create culturally relevant content using AI.
At Stanford, Ajay is a Distinguished Scholar at mediaX, where he researches corporate innovation and organizational resilience. His current work focuses on building “purpose-built ventures” by combining startup agility with institutional assets. He also explores decentralized trust and crypto-enabled ecosystems as drivers of next-generation economic models.
Ajay is an advisor to Playground Global and a member of the Technology Advisory Council at Harman International (a Samsung company). He has contributed to foundational digital identity protocols (XRI/XDI) and serves as Vice-Chair of the Comms Committee at Trust over IP, a Linux Foundation initiative advancing digital trust standards.
He earned his B.S. in Electrical and Electronics Engineering and an M.S. in Mathematics from the Birla Institute of Technology and Science, Pilani.
