"One of the greatest neurosurgeons... I trained under Dr Yasargil as a fellow." We're so proud @MountSinaiNeuro Professor & System Chair @JoshBedersonMD is the #AANS2019 M. Gazi Yasargil Lecturer. #Cerebrovascular @AANSNeuro @AANSNeurosurg @neurosurgery @MountSinaiNYC @cvsection