Fractional CTO for AI-Agent Systems, Digital Identity & Payments
Lance Ennen is a technology founder and fractional CTO specializing in AI-agent systems, digital identity, and payments infrastructure. He founded ByEnnen LLC, co-founded digital identity company Cerebrum (serving as CTO), and was an early engineer at Factor75 — from its first line of code to its $277M acquisition — and Obtiva, acquired by Groupon in 2011. Based in Naples and Miami, Florida.
Proof, not positioning
The track record behind the title — each claim links to its evidence.
Factor75 → $277M acquisition
First line of code to acquisition: early engineering foundation at Factor75, acquired by HelloFresh for $277 million in 2020.
Case study →Cerebrum — co-founder & former CTO
Co-founded the digital identity platform Cerebrum; served as CTO before moving to an advisory role in 2023.
The work →Obtiva → Groupon (2011)
Consulted through Obtiva, the Chicago Ruby on Rails consultancy acquired by Groupon, alongside some of North America's best Agile engineers.
Full background →ByEnnen LLC — 7N7D & IDSentric
Building identity and financial infrastructure APIs today, with an AI-native development practice where coding agents ship alongside humans.
byennen.com →Recent Blog Posts
Insights on technology, AI, blockchain, and development trends
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With over 15 years in tech entrepreneurship and blockchain development, I've helped businesses transform their ideas into impactful digital solutions.
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Transforming ideas into powerful solutions with expertise in AI, Web3, mobile, and web development.
Frequently Asked Questions
Here are some common questions about my services and how I work with clients.
Lance Ennen is a technology founder and fractional CTO specializing in AI-agent systems, digital identity, and payments infrastructure. He takes a small number of fractional CTO engagements and builds identity and financial infrastructure APIs at ByEnnen LLC.
Lance is based in Naples, Florida and works out of Miami — Brickell is a frequent meeting point for startup consultations. Engagements outside South Florida run remotely.
Lance founded ByEnnen LLC, co-founded the digital identity company Cerebrum (serving as CTO until 2023), and was an early engineer at Factor75 — from its first line of code to its $277M acquisition — Raise, and Obtiva, acquired by Groupon in 2011. He works with startups and large enterprises.
Yes — a small number at a time, focused on startups building AI-agent, digital identity, and payments products. Engagements typically run one to two days a week and start with a discovery call.
ByEnnen LLC is Lance's company, building identity and financial infrastructure APIs including 7N7D and IDSentric. It is also his AI-native development practice, where autonomous coding agents work alongside humans.
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