Joseph Lubin
Founder @ ConsenSys
New York, United States
Joseph Lubin is a co-founder of blockchain computing platform Ethereum and the founder of Consensus Systems (ConsenSys), a blockchain venture studio. ConsenSys is one of the largest and fastest-growing companies in the blockchain technology space, building developer tools, decentralized applications, and solutions for enterprises and governmentsthat harness the power of Ethereum. Headquartered in New York, ConsenSys also has a global presence, employing top entrepreneurs, computer scientists, software developers, and experts in enterprise delivery worldwide.Lubin graduated from Princeton University with a degree in Electrical Engineering and Computer Science. He worked in the Princeton Robotics Lab, at tomandandy music developing an autonomous music composition tool, and at private research firm Vision Applications Inc. building autonomous mobile robots.As a software engineer and consultant, Lubin worked with eMagine on the Identrus project and was involved in the founding and operation of a hedge fund with a partner. He held positions as Director of the New York office of Blacksmith Software Consulting, and VP of Technology in Private Wealth Management at Goldman Sachs. Through these posts, Lubin focused on the intersection of cryptography, engineering, and finance.Switching gears, Lubin moved to Kingston, Jamaica to work on projects in the music industry. Two years into his musical endeavors, Lubin co-founded the Ethereum Project and has been working on Ethereum and ConsenSys since January 2014.
- Total investments:
- 26
- Last investment:
- Lead investor:
- 42%
Last updated:
For AI agents: llms.txt
Industries Joseph Lubin invests in
Stages Joseph Lubin invests in
Countries Joseph Lubin invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $5M–$8M
- Pre-Seed
- $400k–$5.5M
- Venture - Series Unknown
- $3M–$7.5M
Investment Focus
Industry
- Blockchain 12 (46%)
- Cryptocurrency 6 (23%)
- Information Technology 5 (19%)
- FinTech 4 (15%)
- Ethereum 4 (15%)
Stage
- Seed 14 (54%)
- Pre-Seed 3 (12%)
- Venture - Series Unknown 3 (12%)
- Series A 2 (8%)
- Post-IPO Equity 1 (4%)
Country
- United States 10 (38%)
- United Arab Emirates 2 (8%)
- Malta 1 (4%)
- Canada 1 (4%)
- Germany 1 (4%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Entravel is a blockchain-powered travel and hospitality platform redefining global hotel booking through a crypto-native ecosystem. Designed for modern travelers and cryptocurrency users, Entravel provides access to more than one million hotels worldwide while enabling seamless payments using digital assets such as USDC and USDT.Operating withinthe competitive online travel industry, Entravel differentiates itself by leveraging blockchain technology and strategic pricing models to offer hotel rates that can be significantly lower than traditional booking platforms. The platform delivers instant booking confirmations, streamlined user experiences, and secure crypto transactions tailored for tech-savvy travelers and Web3 communities.A core component of Entravel’s business model is its invite-only affiliate ecosystem, where users can earn commissions through referrals and tiered partnership benefits. This community-driven structure incentivizes users to promote the platform while unlocking exclusive rewards and travel-related earning opportunities.By combining scalable booking infrastructure, decentralized payment capabilities, and affiliate-powered growth, Entravel aims to transform the hospitality sector and bridge the gap between travel services and the rapidly evolving blockchain economy. | $7.5M / Seed / Aug 12, 2026 | ||
| Bundle is the first networked rewards platform in the world, revolutionizing how companies interact with and reward their clients.Bundle provides companies with access to significantly more incentives than they could provide on their own by pooling brand incentive funds into common reward pools. Even though they only contribute a small portion ofthe total incentive value, brands can increase conversions. | $5.5M / Pre-Seed / Jul 30, 2026 | ||
| Ethereum Institutional is a non-profit organization that focuses on increasing institutional use of the Ethereum ecosystem, including its Layer 2 networks and applications. The organization provides institutional education and engagement for banks, asset managers, custodians, fintechs, market infrastructures, and public institutions evaluatingEthereum. It produces neutral research explaining how Ethereum works, its development roadmap, and its implications for institutional users. Ethereum Institutional also coordinates ecosystem marketing around ETH and real-world deployments to inform institutional strategies. In addition, it gathers industry requirements for tokenization, custody, and settlement on Ethereum and convenes events where institutions and Ethereum ecosystem stakeholders can discuss priorities and implementation approaches. | Seed / Jul 29, 2026 | ||
| EthSystems operates as an engineering and research company. EthSystems is a team that helps onboard institutions onto Ethereum with a focus on privacy needs being met in a performant, secure, usable, and accessible way. | Seed / Jul 14, 2026 | ||
| Ethlabs is a nonprofit research lab that develops core technology and standards to make Ethereum faster, more secure, and ready for institutional adoption. | Seed / Jun 22, 2026 | ||
| SharpLink is an online technology company that works with sports leagues, fantasy sports sites, and sports media companies. | $425M / Post-IPO Equity / May 27, 2025 | ||
| Turtle Club is a protocol for an on-chain liquidity allocation platform that focuses on connecting LPs, protocols, and partners through sustainable and transparent incentives. | $6.2M / Seed / May 12, 2025 | ||
| kpk operates in the financial services sector, focusing on decentralized organizations. The company offers state-of-the-art risk management and trust-minimized DeFi treasury execution services. Their goal is to help these organizations preserve capital. They also engage in professional DAO treasury development and manage funds to fuel developmentregardless of overall economic conditions. Karpatkey is also involved in enhancing liquidity incentive strategies and has a non-custodial AUM. | $7M / Seed / Oct 22, 2024 | ||
| MegaETH is the first blockchain in real time and entirely on-chain, immediate, interactive apps are enabling mankind to reach its greatest potential. | $20M / Seed / Jun 27, 2024 | ||
| Connext Labs is a modular interoperability protocol that builds secure cross-chain apps for transferring funds and data. The company builds the future of value transfer on the internet, using decentralized networks to transform finance and put value back into the hands of individuals. | $7.5M / Seed / Jun 14, 2023 | ||
| See all 26 investments → | |||
Co-Investors
About ConsenSys
ConsenSys is an Ethereum software web3 company. ConsenSys enables developers, enterprises, and people worldwide to build next-generation applications, launch modern financial infrastructure, and access the decentralized web. ConsenSys' product suite, composed of Infura, Quorum, Truffle, Codefi, MetaMask, and Diligence, serves millions ofusers, supports billions of blockchain-based queries for its clients, and has handled billions of dollars in digital assets. Ethereum is a programmable blockchain in the world, business adoption, developer community, and DeFi activity. On this trusted, open-source foundation, ConsenSys is building the digital economy of tomorrow.
ConsenSys Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Jeremy Millar
Chief Of Staff
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Russell Verbeeten
Multiple Roles
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Becky Moody
Senior Manager, HR Technology & Analytics
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Didier Le Floch
Codefi CTO
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Emmanuel Marchal
Global Head of Sales
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FAQ
What does Joseph Lubin invest in?
Joseph Lubin invests primarily in Blockchain, Cryptocurrency and Information Technology startups, most often at Seed and Pre-Seed stage. Most of the 26 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Joseph Lubin's check size?
Joseph Lubin typically joins rounds of $5M–$8M at Seed, $400k–$5.5M at Pre-Seed and $3M–$7.5M at Venture - Series Unknown. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Joseph Lubin participates in.
How do I contact Joseph Lubin?
Public channels for Joseph Lubin include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Joseph Lubin last invest?
The most recent investment recorded for Joseph Lubin closed in Aug 2026. Shizune tracks 26 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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