Alex Morcos
CO-FOUNDER
One of the early pioneers of automated trading and co-founded Hudson River Trading in 2002, where he spent 10 years working to make markets more efficient and improve market structure. He discovered his passion for Bitcoin in 2012, and in 2014 he co-founded Chaincode with Suhas. He has enjoyed contributing to Bitcoin Core and learning about the exciting nascent field of cryptocurrency ever since.
Suhas Daftuar
CO-FOUNDER
Suhas co-founded Hudson River Trading LLC in 2002, where he spent over a decade developing HRT into a global trading firm and helping to shape the complex policy debates surrounding technology in financial markets. In 2014, Suhas co-founded Chaincode Labs with Alex to create a place for engineers and scientists to support the development of decentralized digital currencies and further our collective understanding of how such technologies can work.
Pieter Wuille
ENGINEER
Pieter discovered Bitcoin in December 2010 and started contributing code to the project in May 2011. Since then, he has written significant parts of the reference client's code, in particular, to improve performance and code organization. In addition to authoring and co-authoring 16 Bitcoin Improvement Proposals, Pieter contributed to the design of Miniscript, and co-authored papers on MuSig and Bulletproof, and contributed to libraries like libsecp256k1, ctaes, and minisketch. Before Chaincode, Pieter was a co-founder and Core Engineer at Blockstream and worked as a Site Reliability Engineer at Google. Pieter received his Ph.D. in Computer Science at the University of Leuven, where he focused on programming language design. In his free time, Pieter likes climbing and playing board games.
Clara Shikhelman
HEAD OF RESEARCH
Clara is researching the theoretical aspects of Bitcoin both from computer science and economic perspectives. Previously she was a postdoc at the Simons Institute at Berkeley and at Caltech. Clara holds a PhD in mathematics from Tel Aviv University.
Russ Yanofsky
ENGINEER
Russ has done a lot of work to help separate Bitcoin Core's node, wallet and GUI components. His work to introduce well-defined node-wallet and node-GUI has been merged to the project, and he continues to work on a long-term goal to run the components in different processes. Russ previously worked on web search at Google and set-top video software at Videon Central, Inc.
Mark Erhardt
RESEARCH ENGINEER
Mark enjoys research and development on Bitcoin, especially wallets and UTXO management. He wrote his thesis on Coin Selection, helps organize Bitcoin meetups, and is an avid contributor to Bitcoin Stack Exchange. Previously, Mark tweaked the blockchain footprint of enterprise wallets at BitGo.
Carla Kirk-Cohen
ENGINEER
Carla is a software engineer working on the implementation and improvement of the Lightning Network specification. She got her start in Bitcoin development at the 2019 Chaincode Residency and has been passionate about paying it forward to help onboard new bitcoin developers ever since. She previously worked at Lightning Labs, where she focused on reliability improvements to LND and led the submarine swap team.
Martin Zumsande
ENGINEER
Martin started contributing to Bitcoin Core in 2019 and switched to full-time in late 2021. His main interest is in the peer-to-peer network of Bitcoin, in particular address relay. Before discovering Bitcoin, he received a PhD in physics and worked as a consultant in the banking industry.
Sergi Delgado
ENGINEER
Sergi got involved in Bitcoin in 2015 as part of his master's degree program. He spent the following years researching various aspects of Bitcoin with a focus on P2P networks. He received his Ph.D. in Computer Science from the Autonomous University of Barcelona in 2018 and after a year in London working as a Postdoctoral Researcher at UCL, he transitioned from research to software development. Since 2019, Sergi has been developing and maintaining The Eye of Satoshi, a node-agnostic watchtower implementation.
Matthew Zipkin
ENGINEER
Matthew discovered Bitcoin in 2013 and began developing software tools for the community right away. He built custom Bitcoin full nodes with artistic network visualizers called Bitcoin Block Clocks and encouraged users to run their own node and learn how to use it. Before joining Chaincode Labs, Matthew was a regular contributor and project maintainer of Bcoin, a NodeJS Bitcoin library. He also enjoys participating in educational efforts like Summer of Bitcoin and Des Femmes.
Antoine Poinsot
ENGINEER
Antoine has been contributing to Bitcoin Core and other Bitcoin projects (Rust-Bitcoin and Core-Lightning) for several years. Interested in various aspects of Bitcoin, his recent work has been aimed at strengthening network resilience and enhancing the security of protocol implementations. Prior to joining Chaincode Labs, he co-founded Wizardsardine, a Bitcoin security company.
Abubakar Sadiq Ismail
ENGINEER
Abubakar is a software engineer from Nigeria. He holds a bachelor's degree in Computer Science and was introduced to Bitcoin open source development during the 2023 Btrust Builders Fellowship. Since then, he has actively contributed to Bitcoin Core through pull requests and code reviews. Abubakar is particularly interested in Empirical Data Analysis, Fee Estimation, Mempool Policy, and Performance Optimization.
Matias Furszyfer
ENGINEER
Matias is a software developer who has contributed to Bitcoin Core since 2022, focusing on bug fixes, client stability, and performance improvements across the codebase. He is particularly interested in applied mathematics and P2P network protocols. Prior to working on Bitcoin Core, he worked on several open-source projects with a primary focus on privacy research.
Gurwinder Sahota
OPERATIONS ASSOCIATE
Passionate about creating safe and welcoming work and learning environments, Gurwinder is committed to supporting, streamlining, and optimizing Chaincode Labs' educational initiatives and operational objectives. She enjoys creating inclusive spaces where everyone feels comfortable and appreciated. Previously, Gurwinder worked as an Assistant Site Director at a local educational non-profit organization. In her free time, Gurwinder enjoys weightlifting, rollerblading, and hiking.
Adam Jonas
CEO
In addition to recruiting, Jonas spearheads multiple educational initiatives focused on helping contributors make an impact on bitcoin and related technologies. He previously worked as a software engineer and manager after transitioning from his former role developing the talents of professional baseball players.