Today, they unveiled a new logo. Ahead of this change, I had the chance to talk with Raja Rajamannar, Mastercard chief marketing and communications officer, to get the story behind the change.

Mastercard’s logo has changed little since 1968. The brand’s name was changed from Master Charge to MasterCard in 1979, and its upright font was replaced with italics in 1990, but the core elements – ...