Stanford University
Showing 18,821-18,830 of 34,978 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 organisations evolve, and launching startups to challenge the status quo. His expertise lies in translating bold ideas into scalable products and high-growth platforms.
He is the founder and CEO of Celerity Studios, a story-tech venture building AI-native tools and platforms for the next generation of creators. Its first product, MIXXI, enables Gen Z to remix and co-create culturally relevant content using AI. Previously, Ajay served as EVP of Business Strategy at Angel Studios and Managing Partner at the Angel Acceleration Fund.
At Stanford, Ajay is a Distinguished Scholar at mediaX, where he researches corporate innovation and organisational resilience. His current work focuses on building "purpose-built ventures" that combine startup agility with institutional assets, and on decentralised 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 Communications Committee at Trust over IP, a Linux Foundation initiative advancing digital trust standards.
He earned a B.S. in Electrical and Electronics Engineering and an M.S. in Mathematics from the Birla Institute of Technology and Science, Pilani.
