Conference: Oct 5-6
Workshops: Oct 7
Take a look at all of the expert speakers from Content Marketing World 2026.
Grace Miller, Head of Failure and Experimentation, Diary of a CEO / Flight Story
Grace Miller is the Head of Failure and Experimentation at FlightStory, the media company behind Steven Bartlett's globally renowned podcast The Diary of a CEO, as well as We Need To Talk with Paul C. Brunson, Begin Again with Davina McCall, Hot Smart Rich with Maggie Sellers Reum and more. She joined The Diary of a CEO before it reached 100k subscribers on YouTube and has been part of the core team that has grown the channel to over 14 million subscribers in just four years. With a background in marketing and social media within the aviation industry, Grace now focuses on experimentation and failure, helping businesses discover new ways to grow. She is a prominent voice in marketing, experimentation and growth across YouTube and podcasts, and has built a following of over 22,000+ people on LinkedIn. Grace has spoken at conferences and advised companies and creators including YouTube, Red Bull, 1 Billion Followers Summit, SEMrush, and leading healthcare organisations. She is known for sharing forward-thinking strategies for business growth, being among the first to explore and explain new platform features, and teaching teams how to run smarter, more effective experiments.