An American executive with a PayPal pedigree is joining the team at Tyro Payments. Kareem Al-Bassam will be the loss-making bank's new head of product.Al-Bassam "founded PayPal Credit in Australia," according to Tyro, with the launch of small business lending product, PayPal Working Capital.  "In its first two years of operation, PayPal Working Capital originated more than A$100 million in loans in Australia," Tyro said.Paul Peterson, Tyro's current head of product and engineering "will be transitioning into the role of head of engineering," the bank said.