He completed his Neurosurgical residency at Upstate Medical University at the University of Rochester, NY. He completed fellowship training in neuroendovascular and cerebrovascular surgery at Thomas Jefferson University in Philadelphia. Currently, he is a professor and vice-chairman of Neurosurgery and Radiology at the University of Buffalo, NY. Dr. Siddiqui has written more than 350 peer reviewed publications and more than 150 chapters, and he has been invited to more than 200 national and international lectureships.