Jack Stephenson and David C. Edelman

Jack Stephenson is managing director of mobile, e-commerce, and payments at JPMorgan Chase. David C. Edelman is a principal in McKinsey's Boston office More

Jack Stephenson is managing director of mobile, e-commerce, and payments at JPMorgan Chase. He has more than 25 years of experience in financial services, payments, and e-commerce, with prior stints at McKinsey & Company and at PayPal. David C. Edelman is a principal in McKinsey's Boston office and global co-leader of the firm's digital marketing strategy practice. Over the past 20 years, he has worked with companies around the world in a variety of areas, including channel strategy, database marketing, online media, and brand strategy.

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