A millionaire investment banker punches a woman on a Brooklyn street

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by Catherine Dunleavy

A millionaire investment banker allegedly punched a woman in the face, causing her to fall on a Brooklyn street Saturday night.

Disturbing video presentations The man violently punched the woman with his right hand in front of a crowd of partygoers enjoying Brooklyn Pride in Park Slope.

The woman covered her injured face and collapsed to the ground, just feet away from another presumed injured person lying on the sidewalk.

Social media users identified the assailant in the video, which has garnered nearly 5 million views, as Jonathan Kay, the managing director who leads the Moelis & Co business services franchise.

A spokesperson for the New York-based investment bank told The Post: “We have learned that one of our employees was involved in a serious incident in Brooklyn on June 8. We take this matter seriously and are investigating.”

The company has not confirmed whether the employee is Kay or whether he faces any disciplinary action.

Kaye declined to comment when contacted by The Post, and the NYPD had no information about the horrific assault.

The video does not show the moments leading up to the brutal beating, but it does show the seemingly disoriented assailant walking away while wearing a jacket stained with liquid on his back after the alleged attack.

The man believed to be Kay can be heard saying: “She f**king threw me everywhere” while onlookers described the attacker as an “idiot” and a “terrible person.”

The brute reportedly broke the woman’s nose and “hit” another person’s arm, according to text over the clip.

Kay oversaw Moelis & Co’s global business services franchise. Since 2013, according to the company. He previously worked at Citibank as a managing director in the global mergers and acquisitions group.

The alleged attacker lives in a luxurious, four-bedroom Park Slope home worth more than $4 million.

The stately home is located just three blocks from Ginger’s Bar, one of the last remaining lesbian bars in Brooklyn.

The assault occurred as thousands streamed into Park Slope on Saturday to celebrate the 28th annual Brooklyn Pride Multicultural Festival, a daylong event that begins with a 5K and ends with a parade along Fifth Avenue.