Diane Offereins
EVP, President of Payment Services, Discover Financial Services

During her 16 years working at Discover Financial Services, Diane Offereins has seen many dramatic shifts in the financial industry. But perhaps none, she says, as extreme as what she is seeing now. "The whole payments industry is going through a complete change at this particular moment," with new players and new technology, Offereins says. "It's all changing the game."

Offereins and her team have spent much of the past year focused on new EMV compliance, tokenization and the move to mobile platforms, while at the same time continuing to build Discover's acceptance ("our No. 1 job," she says). It's a job that she and her team are handily accomplishing: In 2013, Discover Network grew acceptance by 4.2 million merchants, according to The Nilson Report. Offereins' Payment Services also profitably processed $310 billion of transactions last year, including a record $110 billion of Discover Card sales volume. Under her leadership, Discover's payments business has grown to become the world's third-largest global acceptance network in just eight years. It had been fourth behind American Express.

Outside of work, Offereins is involved in the Committee of 200, an invitation-only organization of the world's most successful female entrepreneurs and leaders.

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