AI, Technology, Transformation, and Inspiration

Writing about AI, technology and commercial growth: what worked, what failed, and what helped me move from pilot to production.

Nathan Petralia at HKU

Nathan Petralia

I have spent two decades leading digital and commercial programs across APAC. Today I build AI products and leverage AI across consulting, practice building, go-to-market, commercials, delivery governance, and operational leadership.

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Recent Posts

CursorBench 3.1: Fable 5 Tops the Chart, but Composer 2.5 Wins the Budget
AI & Building

CursorBench 3.1: Fable 5 Tops the Chart, but Composer 2.5 Wins the Budget

Anthropic's Fable 5 leads CursorBench 3.1 at 72.9%, but at $18 per task and 76 steps. I read the table for score per dollar, tokens, and steps, and where open models land.

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From VS Code Copilot to Cursor: What Changed in My AI Workflow
AI & Building

From VS Code Copilot to Cursor: What Changed in My AI Workflow

Copilot had the same footer spec but dropped it on long chats. Cursor keeps it with alwaysApply rules, optional hooks, and a v3.1 mode-based Response Footer Contract.

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Why Your AI Program May Fail Before It Starts
Career

Why Your AI Program May Fail Before It Starts

Most enterprise AI programs struggle before the model fails. Data, governance owners, and change runway get compressed. A pre-flight diagnostic before the next funding gate.

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Training an AI Is Like Managing an Employee
Career

Training an AI Is Like Managing an Employee

Five management habits that transfer directly to directing AI agents: show examples, write context down, guide in steps, define outcomes, and close the loop with review.

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The Customer Account Monolith Is an Anti-Pattern for Shopify Extensions
AI & Building

The Customer Account Monolith Is an Anti-Pattern for Shopify Extensions

A thousand-line profile block in one extension fights merchant menu IA. Split full-page extensions by job and align with how customers navigate account tasks.

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Capturing UI Designs for AI Agents Creates a Prompt Injection Surface
AI & Building

Capturing UI Designs for AI Agents Creates a Prompt Injection Surface

Design capture CLIs that dump outerHTML into SKILL.md files can smuggle instructions. Sanitize at the trust boundary before agents read the DOM.

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Composer 2.5 as My Only Coding Model: Cost, Predictability, and a Tighter Bootstrap
AI & Building

Composer 2.5 as My Only Coding Model: Cost, Predictability, and a Tighter Bootstrap

I run Cursor on Composer 2.5 only—not to save money alone, but to get predictable rule compliance. A tighter session bootstrap beat chasing frontier models for my workflow.

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External Memory Series: A Practical Guide to AI Session Continuity
AI & Building

External Memory Series: A Practical Guide to AI Session Continuity

Chat is not memory. This series explains a file-based external brain for builders and leaders—four layers, hooks, and why it beats hoping the model remembers.

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Beyond Chat History: Using Layered Obsidian Memory for Personal Productivity
AI & Building

Beyond Chat History: Using Layered Obsidian Memory for Personal Productivity

The same three-layer memory stack used for shipping code works for strategic work, client engagements, and cross-tool AI—short chat, operational handoffs, evergreen notes, and explicit feedback.

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