In the photo, 58-year-old Schiffman laid on the floor next to the infant, who was born on Valentine’s Day of this year.
Kotb, 52, captioned the sweet image with just two heart emojis.
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The Today show co-host opened up about adopting Haley in last week’s PEOPLE cover story, saying of her new addition, “She is the love of my life.”
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Though Schiffman was left off of the domestic adoption application documents to simplify the entire process, Kotb told PEOPLE that “Haley will call him Dad.”
“I was afraid to even say it out loud, because then it felt so real,” she told PEOPLE. “I said, ‘Think about it for a day or a week or whatever.’ And he said, ‘I don’t need a day. Let’s get this journey going.’ At that point I blubbered like a baby. It was like the dam burst.”
The financier is already a natural when it comes to parenthood: he has a 23-year-old daughter, Kyle, from his previous marriage.
Gushed Kotb, “[He] has been so great. He’s such a great dad and a great influence.”