Fractional CTO · Pasadena, CA

Fractional CTO in Pasadena, CA

Senior technology leadership for Pasadena and San Gabriel Valley businesses — anchored by a multi-year engagement at Geologistics, the Pasadena-headquartered global freight forwarder operating across 140 countries. Architect and tech lead on the migration of 400+ AS400 screens into a modern web-based platform.

Shawn Livermore, fractional CTO and Chief AI Officer serving Pasadena, CA

$1.5B

Revenue at the Pasadena-HQ client (Geologistics)

400+

AS400 screens migrated to modern web platform

140

Countries the platform operated across

15

Developers led on active projects

1,000

Global locations integrated

Multi-year

Embedded engagement duration

Why a Pasadena fractional CTO engagement is structured differently

Pasadena’s San Gabriel Valley sits at a unique intersection: JPL and Caltech anchor a deeply technical talent pool, the city itself hosts a strong cluster of mid-market firms in financial services, biotech, real estate, and aerospace adjacencies, and the broader region carries the weight of California’s legacy enterprise infrastructure. The fractional CTO work that lands in this market tends to be less startup, more substantive enterprise — companies past the early-stage rocket-ship phase, dealing with real legacy debt, real organizational complexity, and real architecture decisions that have multi-year financial consequences.

The Geologistics engagement was textbook San Gabriel Valley work. Pasadena headquarters, global operations, real legacy stack (AS400 screens that had been running for decades), and a board that needed honest counsel about the cost, the timeline, and the risk of a modernization at that scale. The migration wasn’t a six-month “stand up a microservice” sprint — it was a multi-year program with thousands of users and partners depending on the existing system continuing to work while the new one came online. That’s the rhythm of substantial fractional CTO work in this market.

What the engagement covers

A typical Pasadena-area fractional CTO retainer covers ownership of technology strategy, architecture decisions, vendor evaluations, modernization planning, hiring strategy, and board-level reporting. The cadence usually breaks down to a weekly executive-team standup, a weekly engineering-leadership sync, ad-hoc availability for incidents and critical decisions, and a monthly written briefing for the board or CEO. On-site presence is typically 2–4 days in the first month, then 1–2 days per month thereafter.

For companies in modernization mode — the most common Pasadena profile — the engagement also includes the architectural diagramming work that’s been a signature deliverable across LERETA, First American Financial, and Oakwood Worldwide. Wall-sized enterprise architecture diagrams that reveal the full legacy-to-modern critical path are what unlocked the $20M LERETA board approval and the comparable strategic clarity at multiple other engagements. The same approach travels to Pasadena.

The San Gabriel Valley pattern

Companies in this region are often dealing with technology decisions that were made 10–20 years ago by founders or earlier executives who are no longer at the company. The current leadership inherited a stack they didn’t choose, with vendors they didn’t pick, and a roadmap that’s been deferred for years because it’s never been the most urgent thing. A fractional CTO engagement in this context is largely about getting honest about the gap between where the technology actually is and where the business needs it to be — and then sequencing the work in a way that doesn’t break the business while it gets fixed.

Reach out for a discovery call to talk through your specific situation.

Common questions about a fractional CTO in Pasadena

What's your real connection to Pasadena?
I served as architect and engineering leader at Geologistics — the Pasadena-headquartered global freight forwarder operating across 1,000 locations in 140 countries with $1.5B in revenue. Reporting to the CIO, I personally architected and reviewed every active project, managed 15 developers, and led a multi-year migration converting 400+ AS400 screens into a modern web-based platform. The scale of the international operation and the depth of the legacy stack made it one of the most demanding modernization projects I've worked on.
What's the difference between a fractional CTO and a consultant?
A consultant typically delivers a document and leaves. A fractional CTO joins the leadership team, owns the technical decisions, and stays accountable for outcomes. For a Pasadena-area company that means being the senior technical voice across enterprise architecture, integration strategy, technology roadmaps, and the technology questions that come up in fundraising, M&A, or a major modernization push.
What kinds of Pasadena and San Gabriel Valley companies fit best?
Two profiles fit best: established mid-market companies with substantial legacy systems facing modernization decisions, and growth-stage technology companies in the JPL/Caltech-adjacent ecosystem that need senior architecture guidance while scaling. The San Gabriel Valley's mix of biotech, fintech, aerospace, and logistics makes it a particularly strong fit for fractional engineering leadership.
Can you help with a major legacy modernization decision?
Yes — legacy modernization is one of the deepest specialties on the engagement list. The Geologistics work in Pasadena, the $20M LERETA modernization, the 700-application portfolio rationalization at First American Financial, and the Oakwood Worldwide ESB-led consolidation across 80+ applications all sit in this category. The right approach depends on whether the constraint is data, integration, governance, or capacity — and that diagnosis is usually the first phase of an engagement.
Do you work with companies outside Pasadena?
Yes. Fractional engagements happen across Los Angeles, Orange County, the Inland Empire, the Bay Area, and select metros nationwide. Most engagements are hybrid — monthly on-site for the first two months, then remote with quarterly travel. Travel for engagements outside Southern California is billed separately at cost.

Ready to bring a fractional CTO into your Pasadena team?

Senior-level technology leadership with deep ties to San Gabriel Valley. Book a discovery call to see how a fractional engagement could fit.

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