Elizabeth K. Sullivan is an American marketing executive, author, speaker, and educator who specializes in making emerging technologies, particularly blockchain, accessible to a mainstream audience. She is known for creating educational materials aimed at helping parents introduce blockchain concepts to their children in an age-appropriate manner. ^{[1] [2]}​

Education

Sullivan earned a Bachelor of Science (B.S.) in Advertising from the University of Illinois Urbana-Champaign. ^[3]​

Career

Marketing in Web3

Sullivan has built a career in marketing leadership roles within the Web3 and blockchain infrastructure industry. From September 2020 to October 2021, she handled Community and Marketing for Celestia, a modular data availability network. Following this, she served as Head of Marketing for Composable Finance, a company focused on cross-chain interoperability, from October 2021 to July 2022. She then became the Head of Marketing at Espresso Systems, which develops scaling and privacy solutions for Web3, a position she held from July 2022 until October 2023. As of October 2023, Sullivan is the Head of Growth for Astria, a shared sequencer network. Her professional experience provides her with an insider's perspective on the technology she aims to demystify for the public. ^[3]​

Author and Educator

Parallel to her marketing career, Sullivan has developed a personal brand as an author and educator. Her stated mission is to help parents introduce blockchain to children clearly and age-appropriately, cutting through industry hype to show where the technology genuinely fits in the real world. ^{[2] [3]}​

Published Works

• Hey, Daddy! What's Bitcoin?: A children's book that uses a story-based format to provide a simple explanation of Bitcoin for families. ^[3]
• Blockchain Basics Curriculum: A book structured as a curriculum to teach the fundamental principles of blockchain technology. ^[1]
• Blockchain Tales: Described as a guided introduction to blockchain for children, this book uses storytelling to explain core concepts. It is also offered as a digital guide on her storefront. ^{[2] [1]}

Online Presence

Sullivan maintains a multi-platform online presence to distribute her educational content and engage with different audiences. She uses her professional name on platforms like LinkedIn, YouTube (@elizabethksullivan), and TikTok (@elizabeth.sullivan), where she posts educational videos and professional updates. ^{[6] [4]} On other platforms like X (formerly Twitter) and Instagram, she uses the handle @elizabethkayfit, which may reflect an earlier brand focus. ^{[5] [7]} She uses link aggregators like Linktree and a Stan Store as centralized hubs to direct followers to her various projects, products, and social media profiles. ^{[1] [2]}​

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