Ask AI Tom
The newsletter for technology's next C-suite role

CTAIO — Where CTO Meets CIO Meets AI

Weekly intelligence from a practitioner-executive who ships production code, manages $200M IT budgets, and advises PE firms on billion-dollar technology bets.

Free every Monday. Unsubscribe anytime.

Who this is for

CTOs Building AI-native engineering organizations
CIOs Enterprise infrastructure, vendors, $100M+ IT budgets
Chief AI Officers Enterprise AI strategy & governance
VP Engineering Scaling teams 10 to 1,000 engineers
PE/VC Partners Technology bets with conviction

The practitioner-executive edge

Most newsletters come from one side. This one comes from both.

I still ship code

  • Python & TypeScript daily
  • Tests every AI coding tool hands-on
  • Builds and operates production platforms
  • 30+ years of continuous engineering

I've run the org

  • CTO/CIO at Adidas (1000+ engineers)
  • CTO Sweetgreen (rapid growth)
  • $200M IT budget responsibility
  • President, Technology Strategy, Huge/IPG (digital agency)

What you'll get every Monday

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Enterprise AI Intelligence

Vendor evaluations, budget trends, and the $500/hr insights I share with Fortune 500 boards — delivered free to your inbox.

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CTO + CIO Operations

Platform consolidation, infrastructure modernization, org design — the operational playbook from running both sides of the house.

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The Practitioner's Edge

Real tool reviews, real code, real experiments. From someone who still ships production code daily, not just talks about it.

Topics I cover

  • AI coding tools (Cursor, Claude Code, Copilot)
  • Observability (Datadog, New Relic, Grafana)
  • GenAI adoption (ChatGPT Enterprise, Anthropic, Copilot)
  • Platform consolidation (Adobe vs Salesforce, ServiceNow)
  • ERP modernization (SAP S/4HANA, Oracle Cloud)
  • IAM (Okta, Auth0)
  • Cloud strategy (AWS, Azure, GCP)
  • Engineering org scaling (0 to 1,000 engineers)
  • Tech due diligence for PE/VC
  • Build vs buy at enterprise scale
Thomas Prommer — Technology Executive and Hybrid Athlete

About the author

Thomas Prommer is a technology executive and CTO/CIO with 30+ years in technology, having led 1,000+ engineers and driven $2B+ in revenue impact at companies like Adidas, Sweetgreen, and Huge.

He advises Fortune 500 boards on AI strategy, manages enterprise IT budgets of $200M+, ships production code daily, and competes in Ironman triathlons and HYROX — bringing the same discipline to leadership that endurance demands.

  • 30+ years in technology leadership
  • CTO + CIO experience (both sides of the house)
  • 1,000+ engineers led across global organizations
  • $200M+ IT budget management
  • Fortune 500 AI advisory experience
  • Marathon runner training for Challenge Roth 2027
Full profile →