Maria Vorontsova

Maria Vorontsova (Russian: Мари́я Воронцо́ва, née Mariya Vladimirovna Putina, Мари́я Влади́мировна Пу́тина; born 28 April 1985), also referred to as Maria Faassen, is a Russian pediatric endocrinologist. She is the eldest daughter of Russian President Vladimir Putin.

Vorontsova was born in Leningrad, Russian SFSR (now Saint Petersburg, Russia), the eldest daughter of Vladimir Putin and Lyudmila Putina (née Shkrebneva). She attended German School Moscow.

Vorontsova is married to Dutch businessman Jorrit Faassen.

She studied biology at Saint Petersburg State University and is a graduate of medicine at Moscow State University. She is a PhD candidate at the Endocrinology Research Centre in Moscow. Vorontsova is credited to be Putin's advisor in genetic engineering, especially in the usage of CRISPR to create genetically-engineered babies.