He's the man who stepped in to fill Gladys Berejiklian's shoes last year.
Now, Dominic Perrottet has been the NSW premier for five months - and he's the youngest one at that.
Outside of his career, the 39-year-old is a brother to 11, a husband and now, a father of seven.
On Thursday morning, Perrottet and his wife Helen announced they welcomed their seventh child, a baby girl, named Celeste Grace Perrotte.
"Here she is! Helen and I are absolutely thrilled to welcome our beautiful baby girl, Celeste Grace Perrottet, born last night. Both Mum and baby are doing well," he wrote alongside a photo of his wife and baby in hospital.
"She's looking forward to being kissed and cuddled, fought over and cherished by her big brother and sisters."
1/2 Here she is! Helen and I are absolutely thrilled to welcome our beautiful baby girl, Celeste Grace Perrottet, born last night.— Dom Perrottet (@Dom_Perrottet) March 16, 2022
Both Mum and baby are doing well. pic.twitter.com/En4LjGL5uf
Perrottet first announced that he and Helen were expecting their seventh child together in October.
"Exciting family news," he wrote on Facebook at the time.
"Our family photo wall is going to need another frame! Helen and I are thrilled to announce we have a little girl due next year."
"With five sisters already, William is looking on the bright side - more bench depth on the family basketball team."
In light of the news, here's everything we know about NSW Premier Dominic Perrottet's family life.