# Kieren James-Lubin

> Kieren James-Lubin is an entrepreneur and blockchain developer known for co-founding and leading BlockApps and contributing to Ethereum before its launch.

- Canonical URL: https://iq.wiki/zh/wiki/kieren-james-lubin
- Categories: People in crypto
- Tags: Ethereum, Developer, Founder
- Created: 2026-11-12T11:51:05.985Z
- Last updated: 2026-11-12T11:51:05.985Z
- Source: IQ.wiki — the world's largest blockchain and crypto encyclopedia (https://iq.wiki)

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**Kieren James-Lubin** is an American entrepreneur and software developer who founded BlockApps, an enterprise [blockchain](https://iq.wiki/wiki/blockchain) company, and contributed to [Ethereum’s](https://iq.wiki/wiki/ethereum) development before its launch. At BlockApps, he helped develop the company’s [STRATO](https://iq.wiki/wiki/strato) platform and served as its president and chief executive officer (CEO).[\[1\]](#cite-id-tjq003oyxn)​[\[2\]](#cite-id-u7tfdgvcnq)​

## Early Life and Education

James-Lubin studied mathematics at Princeton University from 2007 to 2011, graduating with a Bachelor of Arts degree. While at Princeton, he wrote a senior thesis and worked for one of his professors for a year after graduation. He then pursued a Ph.D. in theoretical and mathematical physics at the University of California, Berkeley, from 2012 to 2015.[\[3\]](#cite-id-ba7btpuy45)​[\[1\]](#cite-id-tjq003oyxn)​

From September 2011 to June 2012, he worked as a scientific programmer at Princeton’s Lewis-Sigler Institute. Before entering graduate school, he had also worked in web and mobile startups, experience he later drew on while developing software for [Ethereum](https://iq.wiki/wiki/ethereum).[\[1\]](#cite-id-tjq003oyxn)​[\[2\]](#cite-id-u7tfdgvcnq)​

## Career

### Ethereum

James-Lubin joined [Ethereum’s](https://iq.wiki/wiki/ethereum) early development in 2014. In January of that year, his father, Joe Lubin, sent him articles about the project from Miami during the [Bitcoin](https://iq.wiki/wiki/bitcoin) conference at which [Vitalik Buterin](https://iq.wiki/wiki/vitalik-buterin) first publicly announced [Ethereum](https://iq.wiki/wiki/ethereum). James-Lubin decided to join the project on March 22, 2014, and spoke with Buterin two days later.[\[2\]](#cite-id-u7tfdgvcnq) That summer, James-Lubin traveled with his father to Zug, Switzerland, where he witnessed a leadership dispute later called the “Red Wedding.” He recalled that the conflict involved internal political maneuvering and serious legal issues; during it, Buterin decided to remove [Charles Hoskinson](https://iq.wiki/wiki/charles-hoskinson) and [Amir Chetrit](https://iq.wiki/wiki/amir-chetrit) from leadership positions.[\[2\]](#cite-id-u7tfdgvcnq)​

Beginning in September 2014, James-Lubin worked with Jim Hormuzdiar on a Haskell-language Ethereum client. James-Lubin brought experience from web and mobile startups and advocated for a REST API—an interface that would let developers build applications using [Ethereum](https://iq.wiki/wiki/ethereum). He recalled that some developers in the cypherpunk-oriented community were wary of server-based approaches, and that the proposal met with suspicion.[\[2\]](#cite-id-u7tfdgvcnq)​

## BlockApps

James-Lubin is the founder and CEO of BlockApps which developed [STRATO](https://iq.wiki/wiki/strato), an Ethereum-based enterprise [blockchain](https://iq.wiki/wiki/blockchain) platform. Before moving full time to the business side, James-Lubin architected and implemented major parts of the product, including its RESTful API, authorization framework, peer-to-peer networking code, Node.js client, and third-party integrations. His responsibilities also included maintaining and growing the company’s business.[\[3\]](#cite-id-ba7btpuy45)​[\[1\]](#cite-id-tjq003oyxn)​