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Eddy Lazzarin

Eddy Lazzarin is a general partner at a16zAndreessen HorowitzAndreessen Horowitz (a16z) is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz. It invests from the seed stage through the growth stage and provides operational support to its portfolio companies.Open the full entry Frontier, the Andreessen Horowitz fund formerly known as a16z crypto. He started there as a data scientist, went on to lead its engineering team and serve as chief technology officer, and later became a general partner.

Contents8 sections
Key facts

Early Years: Education and First Jobs

Lazzarin holds a B.A. in Philosophy-Neuroscience-Psychology and an M.S. in Computer Science, with a concentration in statistical computing, from Washington University in St. Louis, where he researched behavioral economics and game theory with Leonard Green.⁠[1]

Joining a16z crypto and Leading Engineering

In 2019, a year after a16z crypto launched its first crypto fund, Lazzarin joined the firm as a data scientist and investing partner. In 2021 he became Head of Engineering.⁠[2]

Chief Technology Officer

On February 8, 2023, a16z crypto announced Lazzarin’s promotion to chief technology officer. He continued to lead the engineering and data science teams he had built and took on management of the research and security teams.⁠[2][3]

In the announcement, a16z crypto founder and managing partner Chris DixonChris DixonChris Dixon is a programmer, entrepreneur, and venture capitalist, and the founder and managing partner of a16z crypto. He co-founded SiteAdvisor and Hunch, helped create Founder Collective, and later joined Andreessen Horowitz, investing in technology companies such as Coinbase. He is also the author of Read Write Own and has long written about blockchains, network ownership, the open internet, and the combination of AI and crypto.Open the full entry wrote: “He quickly distinguished himself as a true crypto polymath.” Dixon listed open-source work the team had released, including Helios, a light client for Ethereum; privacy-protecting airdrops using zero-knowledge proofs; a starter pack for NFT analysis; and Halmos, a formal verification tool.⁠[2]

General Partner

On May 5, 2026, a16z crypto announced a $2.2 billion fifth fund and promoted Lazzarin to be its fourth general partner, alongside Chris Dixon, Ali Yahya and Guy Wuollet. The firm’s five funds had raised $9.8 billion in total; a spokesperson said the fifth fund was “100% dedicated to investing in crypto entrepreneurs.”⁠[4][5]

Arguing Against an AI Pause

In September 2026 Lazzarin discussed growing calls to slow AI development with research partner Theo Jaffee on an a16z podcast. He argued that the debate places too much emphasis on speculative superintelligence and underweights the costs of delaying useful technology, and favored familiar tools such as cybersecurity, accountability, liability, market incentives and stronger technical controls over treating every AI failure as an alignment problem.⁠[6]

a16z crypto Becomes a16z Frontier

At a16z Frontier, Lazzarin focuses on portfolio and token strategy and on how the firm identifies, evaluates and supports new networks and companies; he also oversees the engineering, research and security teams that support investing and work with portfolio companies.⁠[1][8]

Related Organizations, Websites, and Public Accounts

a16z Frontier: Official website: https://a16zfrontier.com/ (opens in a new window).⁠[1]

Sources

  1. Eddy Lazzarin (opens in a new window)
  2. Eddy Lazzarin (opens in a new window)
  3. a16z crypto taps Eddy Lazzarin as new chief tech officer (opens in a new window)
  4. a16z crypto raises $2.2 billion for fifth fund, promotes CTO to general partner (opens in a new window)
  5. Andreessen Horowitz's crypto arm raises $2.2 billion for fifth venture fund, promotes CTO Lazzarin to general partner (opens in a new window)
  6. The Case Against an AI Pause | Eddy Lazzarin (opens in a new window)
  7. Venture giant Andreessen Horowitz drops 'crypto' from name of blockchain fund, rebrands as 'a16z Frontier' (opens in a new window)
  8. Eddy Lazzarin, Partner at Andreessen Horowitz (opens in a new window)