At Bleeding.Technology we track over 100,000 web 3.0, NFT, DeFi & crypto startups and over 500,000 people who hold key positions in these companies. We use this directory of startups to highlight top employees, founders and board members we think deserve more appreciation than they are currently getting.
This list showcases the top United States based CTO’ operating in the Ethereum space. If you think a CTO’ is missing from this list, feel free to contact our editor on [email protected].
The individuals on this list have been included because of exceptional performance in one of the following categories:
- Innovation – Operating as a key part in an extremely innovative business or startup.
- Growth – Operating as a key figure in the growth and upscale of a market leading business or startup.
- Management – Showing exceptional management skills.
- Societal impact – Putting their business on the map for their positive societal or environmental impact.
Our Data – We source our data from OSINT (open source intelligence) and public directories such as Crunchbase, SemRush and many more. The data from these sources should be treated with a degree of caution and verified yourself.
Geoffrey Hayes
CTO and Founder of Compound
Maintainer of Exthereum, technology founder of two startups, led Core Services at Postmates
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About Compound: Compound is an open-source interest rate protocol that unlocks new financial applications.
George Melika
CTO / Co-Founder of SFOX
George Melika is a fintech expert with over 20 years of software development experience building algorithmic, proprietary, and cryptocurrency trading platforms. He is the Co-Founder and CTO of SFOX, a cryptocurrency trading platform backed by Social+Capital, Khosla Ventures, and Y Combinator. He holds an MBA from the USC Marshall School of Business and a bachelor’s degree in computer science from Loyola Marymount University.
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About SFOX: SFOX is a cryptocurrency prime dealer for professional traders and institutional investors.
Amir Bandeali
Co-Founder & CTO of 0x
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About 0x: 0x is an open protocol that enables peer-to-peer trading of assets.
Caleb Tebbe
CTO of RADAR
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About RADAR: We build products for our next financial system

Mark Harding
Chief Technology Officer of Minds
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About Minds: Minds is a crypto social network and secure messaging app that rewards users with crypto for their efforts online.
Tony Tran
Co-Founder, CTO of Beenest
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About Beenest: Beenest is a home sharing platform for hosts to list their homes and for guests to find accommodations.
Zak Cole
Co-founder & CTO of Slingshot Finance
Zak Cole is a Web3 developer, protocol engineer, and software entrepreneur currently operating in the DeFi space. He received his training as a cyber network engineer in the United States Marine Corps. In Iraq’s Al Anbar province during Operation Iraqi Freedom 07-08, he and his unit were responsible for building mission-critical data infrastructure and managing the implementation and distribution of cryptographic assets. After retiring from the Marine Corps, Zak worked as a web developer, network engineer, and applied cryptographer. He also built several companies spanning the fields of ad tech, web hosting, and cyber security prior to delving into the Web3 space with a focus on decentralized financial technology.
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About Slingshot Finance: Slingshot Finance is a fintech company that offers a next generation decentralized trading platform.
Alex Bazhanau
CTO of Linen App
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About Linen App: New experience that allows our members to earn high yield on their cash.
Jay Ligda
CTO of SyncFab
Jay is currently the Chief Technology Officer of SyncFab. Jay’s responsibilities involves managing a team of developers to maintain, and develop the SyncFab application. Jay is a self-educated technologist who’s been in the development community for the last 20 years.
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About SyncFab, TrueDemocracy.Global: OEM Parts Supply Chain Blockchain Procurement Platform and ERP Add-On for Aerospace, Automotive and Medical
Shelby Thomas
Co-Founder & CTO of Prysm
Shelby Thomas is the Co-Founder & CTO at Prysm.
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About Prysm: The group ownership platform — Own anything, together.

James Hormuzdiar
CTO of BlockApps
James Hormuzdiar is the CTO of BlockApps. He has a bachelor’s degree in Math, Physics, and Engineering at University of Connecticut.
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About BlockApps: BlockApps is a Blockchain as a Service company with customers ranging from startups to Fortune 500 organizations.

Fazri Zubair
Co-Founder, CTO of Lucid Sight
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About Lucid Sight: Lucid Sight is a computer software company that specializes in blockchain, augmented reality, and virtual reality.

Alexandr Larionov
Co-Founder / CTO of RealtyReturns
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About RealtyReturns: Investment Platform Providing Real Estate Investments Using Cryptocurrency (ETH)
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