The chemistry between Madonna and Popper was palpable as they sat side by side, holding up score cards and enjoying a display of sexy ballroom moves by dancers on a catwalk. Their connection extended beyond the stage, with the pair swaying to the music, fanning the performers, and sharing a kiss during the musical spectacle.So, who is this man who has captured Madonna’s heart? Popper is a boxer and a boxing coach. Their paths crossed when Popper trained Madonna’s son, David, at the boxing gym he owns in New York City, Bredwinners.