About
Serotonin, founded in 2020 by Amanda Cassatt, former Consensys CMO, in New York with hubs in London, operates as a leading Web3 marketing, communications and product studio. Its practice spans brand strategy, content, community and go-to-market for protocols, L2s and consumer apps, plus product ventures and events. Headquartered in New York and London with a distributed team, Serotonin combines agency services with builder perspective, helping teams navigate token launches, rebrands and ecosystem growth. Known for clear storytelling and design polish, it serves foundations and startups seeking credible narrative and distribution in noisy markets. The studio emphasizes research-driven messaging and long-term brand building over short-term hype. Expect a creative, highly collaborative culture that values editorial craft, strategic thinking and helping ambitious teams communicate complex infrastructure simply and credibly.
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