Neuroradiologist, scientist, teacher, and learner interested in improving the health of patients using advanced imaging and AI

Joined February 2018
98 Photos and videos
Greg Zaharchuk retweeted
We’re excited to tune in for another year of fantastic @TheASNR webinars moderated by ASNR Education Committee chair and neurorad extraordinaire @NancyPhamMD!
Don't miss our next free #ASNR webinar! Join us Wednesday, June 17, at 4:00 pm ET for Education Advances: Anatomy and Pathology of the Skull Base. Get complete complete details and register now: ow.ly/KaoT50Z8QxW
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Greg Zaharchuk retweeted
Hearty congratulations to our superstar neuroradiologist and innovator Abdel Mahammedi who has been selected as a @SUBiodesign Faculty Fellow! πŸ₯³ This fellowship provides Stanford faculty with advanced training and mentorship in health technology innovation.
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Greg Zaharchuk retweeted
We’re excited to be part of the 2026 #Stanford Health #AI Week @ the #AIMI Symposium tomorrow @ Stanford University! We’re proud to have our new CEO, Ohad Arazi, participating in the discussion. πŸ“… Wed 06/03 ⏰ 1:15 PM πŸ“£ β€œWhat’s Working Now: Real-World Deployments in Health AI”
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Greg Zaharchuk retweeted
Morgan Stanley Expansion Capital Leads $33M Investment in Subtle Medical to Accelerate #AI Innovation Across #MRI, #PET, and #CT as industry veteran, Ohad Arazi, joins the team as CEO. Read the full PR πŸ‘‰ subtlemedical.com/subtle-med… #SubtleMedical #Radiology #Venture #GrowthMode
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Greg Zaharchuk retweeted
Replying to @TheASNR
#ASNR26 was great, looking forward to #ASNR27 in San Diego! Maybe an oceanside fundraiser walk/run at #ASNR27? I missed getting an ASNR tshirt this year (luckily I had @theASFNR tshirt & @The_ASSR water bottle).
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Greg Zaharchuk retweeted
Exciting hire at the Keck School of Medicine of USC: Joshua A. Hirsch, MD, is the new Chair of Radiology starting 8/17. A neurointerventional radiologist, he has 650 peer-reviewed publications and is the former president of @TheASNR. Welcome to @RadiologyUSC, Dr. Hirsch!
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Greg Zaharchuk retweeted
Welcome Dr. Hirsch! We are excited for this next chapter and look forward to your leadership and vision for the department.
Exciting hire at the Keck School of Medicine of USC: Joshua A. Hirsch, MD, is the new Chair of Radiology starting 8/17. A neurointerventional radiologist, he has 650 peer-reviewed publications and is the former president of @TheASNR. Welcome to @RadiologyUSC, Dr. Hirsch!
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Greg Zaharchuk retweeted
What a rivalry ?!!! Team AI (Random Forests) versus team head and neck ( The Turbinators)! @TheASNR @StanfordRad
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Greg Zaharchuk retweeted
Great seeing new and old friends at the Stanford dinner ASNR 2026!
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Greg Zaharchuk retweeted
Congratulations to Dr. Chris Hess, #ASNR 2026-2027 President, who was passed the gavel from outgoing President Dr. Yoshimi Anzai. Dr. Hess and the rest of the Board of Directors officially took over at the conclusion of the #ASNR26 Annual Business Meeting Wednesday morning.
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Greg Zaharchuk retweeted
May 19
AJNR Hall of Fame - Top Authors 2015-2025 πŸ† Brinjikji, W. β€” 125 Kallmes, D.F. β€” 72 Benson, J.C. β€” 69 Lanzino, G. β€” 53 Goyal, M. β€” 45 Bathla, G. β€” 43 Mark, I.T. β€” 43 Krings, T. β€” 38 Madhavan, A.A. β€” 38 Hirsch, J.A. β€” 35 Diehn, F.E. β€” 34 Yousem, D.M. β€” 34 Kadirvel, R. β€” 33 Buch, K. β€” 28 Huisman, T.A.G.M. β€” 28 Zaharchuk, G. β€” 28 Bendszus, M. β€” 27 Menon, B.K. β€” 27 Fiehler, J. β€” 26 Rouchaud, A. β€” 26 Carr, C.M. β€” 25 Cloft, H.J. β€” 25 Costalat, V. β€” 25 Hill, M.D. β€” 25 Pierot, L. β€” 25 Gupta, A. β€” 24 Kranz, P.G. β€” 24 Malhotra, A. β€” 24 MΓΆhlenbruch, M.A. β€” 24 Nael, K. β€” 24 Saba, L. β€” 23 Soni, N. β€” 23 Amrhein, T.J. β€” 22 Lane, J.I. β€” 22 Middlebrooks, E.H. β€” 22 Raymond, J. β€” 22 Vossough, A. 22 Castillo, M. β€” 21 Lehman, V.T. β€” 21 Gandhi, D. β€” 21 Heit, J.J. β€” 20 Ivanidze, J. β€” 20 Mankad, K. β€” 20 Mossa-Basha, M. β€” 20 Ospel, J.M. β€” 20 Pereira, V.M.. β€” 20 Spelle, L. β€” 20 ajnr.org/content/ajnr-hall-f…
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Greg Zaharchuk retweeted
Is it Wednesday already?! Time to wrap up this wonderful week at #ASNR26 with a few more learning points from our fantastic faculty. Join us for sessions highlighting advances in imaging neuro degenerative disease, fast MRI, and skill base osteo. @TheASNR
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Greg Zaharchuk retweeted
Congratulations, Rafael Christodoulou and team! πŸ₯³ @nancyfstanford @NancyPhamMD
Congratulations to our #ASNR26 Outstanding Project Award Winner in the Head and Neck Category, Rafail Christodoulou. View all Outstanding Project award winners here: ow.ly/W2oW50Z1JUJ
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Greg Zaharchuk retweeted
May 19
Please join us in welcoming the new 2026–2027 AJNR Junior Editorial Board! Excited for the year ahead with this incredible group! #AJNR #AJNRClinicalPractice #ASNR2026 #MedEd #Neuroradiology
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Standing room only at @TheASNR session on AI generative & vision language models for radiology. Great speakers: @SamPayabvash @ShahriarFaghani @BernardoBizzo Gagandeep Singh @columbiaimaging
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Greg Zaharchuk retweeted
Excited to keep learning and expanding your horizons? Join our amazing faculty for sessions on brain tumor and pediatric imaging this afternoon at #ASNR26! 🧠
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Greg Zaharchuk retweeted
Hope you’re having a blast at #ASNR26! Join us today for sessions on AI and leadership moderated by our superstar #neurorad faculty Drs. @GregZ_MD and van Staalduinen! @TheASNR
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Greg Zaharchuk retweeted
Kickstart Monday morning at #ASNR26 by celebrating the one and only @nancyfstanford’s outstanding contributions to neuroradiology education! πŸ₯³ Join us throughout the day for many other sessions led by our wonderful Stanford educators.
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So well deserved. Congratulations Nancy!
Congratulations @nancyfstanford on your ASNR teaching award! @StanfordRad @StanfordMed
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Greg Zaharchuk retweeted
β˜€οΈWe’re hiring at Stanford Neuroradiology!β˜€οΈ If you love advanced imaging and interesting cases, teaching incredible fellows and residents, and basking in the sunshine, connect with us at #ASNR26 to find out more about our division. med.stanford.edu/radiology/r… @TheASNR
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