President-elect Donald Trump announced key appointments to significant technology positions focused on AI and cryptocurrency.

Michael Kratsios will lead the White House Office of Science and Technology Policy (OSTP).

Previously, he served as the chief technology officer in Trump’s first administration and was managing director at Scale AI.

Lynne Parker returns as the executive director of the Presidential Council of Advisors for Science and Technology.

She was the former deputy CTO and the founding director of the National AI Initiative Office.