Yiannis Antoniou

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Yiannis Antoniou

CTO, Lydatum

Key Expertise

Yiannis Antoniou

CTO, Lydatum

About

Yiannis Antoniou is the Founder and CTO of Lydatum, a technology and professional services company focusing on AI, data, cloud, and DevSecOps implementation and advisory work across the enterprise, mid-market, and SMB space. Previous positions include Head of Data and AI at Lab49, Head of US Data and AI/ML Consulting at BJSS Ltd, and Global Head - Microsoft Azure, AI/ML and Data Analytics Cloud Practice at Ness Technologies. He has also held leadership positions with Pacific Life (CTO of Pacific Global Advisors), Bank of New York, AIG, JPMorgan, and Goldman Sachs. He writes prolifically about AI and data on Substack.

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What You Can Learn From This Expert

Here are the disciplines, strategies, and frameworks this expert can help your team master.

The physical and computing foundations that make AI possible, from chip design and hyperscale cloud to data center power, cooling, and connectivity. Experts here help clients understand what it takes to build and scale AI at the infrastructure level.

The models, architectures, and engineering work behind modern AI systems, including large language models, agentic systems, and AI product development. Experts here help clients separate real technical capability from hype.

How organizations put AI to work, from strategy and operating-model change to workforce impact and measurable transformation. Experts here help clients move AI initiatives from pilot to production.

The competitive, financial, and go-to-market forces shaping the AI industry, from frontier labs to enterprise vendors and investors. Experts here help clients read the market and make sharper strategic and investment decisions.

How AI is being applied within specific industries, including financial services, healthcare, and other specialized sectors. Experts here bring domain depth alongside technical fluency.

How organizations measure and capture the return on their AI investments, from cost savings and productivity gains to new revenue creation. Experts here help clients move past pilot-stage excitement to prove and defend measurable business impact.

Career History

Careers Timeline

Jun 2019 – Current

Founder & CTO — Lydatum

Executes AI, data, cloud, consulting, technical due diligence, CTO, and digital transformation engagements for technology, financial, healthcare, and media clients.

May 2024 – May 2025

Head of Data, Analytics and AI — Lab49, Inc.

Built and ran a global Data, Analytics, and AI practice focused on Capital Markets and financial services, and built partnerships with AI, data, and cloud providers.

Oct 2023 – May 2024

Head of US Data and AI / ML Consulting — BJSS Ltd

Built a Data and AI/ML practice, designed and executed client engagements across sectors, and performed CTO duties for clients.

Apr 2021 – Oct 2023

Global Head - Microsoft Azure, AI/ML and Data Analytics Cloud Practice — Ness Technologies, Inc.

Managed global teams of specialized Azure, AWS, AI/ML, and data professionals delivering cloud migration, modernization, and transformation projects.

Jun 2019 – Apr 2021

Information Technology Analyst — Giga Omni Media, Inc.

Conducted industry research and market analysis in self-service and enterprise data & analytics, collaboration, data streaming, and cloud databases.

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