Aaron L. Berez, M.D. is the founder and CEO of Alembic, LLC, a medical device development company in Mountain View developing new devices for Interventional Neuroradiology. At his previous company, Chestnut Medical, he led the development of the Pipeline Embolization Device for the treatment of complex intracranial aneurysms. Chestnut Medical was acquired by Ev3 (now Medtronic) in 2009. Aaron is currently an investor, advisor, and director to privately held medical device companies focused on capital-efficient medical device development. Aaron is a graduate of the Georgetown University School of Medicine, where he received his M.D. degree. His postgraduate training was at UCSF/Mt. Zion in Internal Medicine, and Stanford University in Radiology and Neuroradiology.