Arthur B.
He also holds a math PhD from ENS Paris. He might be the smartest head of state at this point. There's way, way, more to being a competent head of state than being smart, but this is pretty bullish for Romania.
Ruxandra Teslo 🧬
I hadn't realized this but Romania's next president was 1st in the world in the International Maths Olympiad 2 years in a row with maximum score