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Alexander Portno is a seasoned professional in the financial sector, currently serving as the Director of Digital Assets Derivatives Trading at Grayscale Investments since 2025. Prior to this role, they were a Senior Associate at A.R.T. Advisors, LLC, where they specialized in systematic equity trading. Alexander has also held positions at Nomura, where they focused on exotic equity derivatives trading. They hold a Bachelor's degree in Economics from Hofstra University and are currently pursuing further education at Columbia Engineering's FinTech Bootcamp.