Shannon Brayton is joining Stripe as global head of communications, according to an email of the announcement seen by Insider. Stripe is one of the world's most valuable startups, last valued at $36 billion earlier this year. Online-payments platform Stripe has hired a new head of communications. The unicorn startup has been without a global head of communications since Kelly Sims left the company in October, 2019, after six years at the company. She will continue to serve as a board member at Quizlet, Relativity, and Vidyard, according to the leaked email.