Tajh L. Taylor is the VP of Data Science and Engineering at the Wikimedia Foundation, where he leads teams in machine learning, research & decision science, and data platform engineering. He also serves as senior advisor to the Chief Product & Technology Officer, and advises on external partnerships and communications.

Prior to joining the Wikimedia Foundation, Tajh served as Chief Technology Officer at Catalist, a progressive data utility focused on voter registration and participation analytics.

In over twenty five years of experience across various industry fields, Tajh has overseen transformational efforts to engineer and re-engineer systems that process voter registration and participation data, collect and distribute satellite weather imaging, track cancer research data, and verify ASIC circuit design, among many other application areas.