About Us

CRSTBL Inc. is a trailblazer in AI-powered business technology, founded in 2024 by James McMillian and John Chang to create practical applications for everyday AI users.

As the creator of CRSTA-AIDX—a next-generation, multi-tenant SaaS platform—CRSTBL delivers the fusion of Answer Engine Optimization (AEO), a robust task execution framework for third-party integration, and custom-built neural networks for hyper-personalized AI-consumer interactions.

Our Vision & Platform

CRSTBL’s CRSTA-AIDX platform represents the future of enterprise marketing and commerce.

The platform goes beyond traditional SEO and web strategies, offering a unified architecture built for AI agents — including ChatGPT, Alexa, Gemini, and emerging generative AI systems.

At its core, CRSTA-AIDX centralizes:

  • Semantic analysis

  • Structured data management

  • Campaign execution and optimization

  • Real-time performance insights

This allows brands to deliver contextually relevant, highly personalized experiences directly through AI-driven discovery and transaction channels.

By bridging marketing and machine understanding, CRSTBL is reimagining how products and services are surfaced, accessed, and purchased in an era where answer engines shape consumer choice and conversion.

Industry leaders

Meet Our Founders

CRSTBL was built by innovators who bridge enterprise-level experience with startup agility. Co-founders James McMillian and John Chang are active thought leaders in Answer Engine Optimization (AEO) and business AI enablement, blending vision with hands-on execution to redefine how brands compete and connect in the AI era.

John Chang

CEO

About John

John Chang is a three-time tech founder recognized for his ability to turn emerging technologies into practical, scalable products. With a strong background in startup operations, marketing, and sales growth, John bridges innovation with execution. His strategic leadership drives CRSTBL’s mission to help brands and retailers thrive in the era of AI-driven discovery and engagement.

James McMillian

CTO

About James

James McMillian brings over 35 years of experience in advanced technical architecture and more than 20 years in AI systems expertise to CRSTBL. His career has been defined by building scalable platforms and leading enterprise technology teams through digital transformation. At CRSTBL, James applies his deep technical knowledge to design the infrastructure and intelligence that power our AI-driven ecosystem.

Why CRSTBL?

By uniting structured data, semantic AI, and direct-to-task functionality, CRSTBL is driving the evolution from legacy SEO stacks to AI-first marketing, commerce, and customer experience. Companies that partner with CRSTBL gain a competitive edge—ensuring their digital assets are discoverable, actionable, and future-ready as consumers increasingly rely on intelligent agents for everyday decision-making.

Articles

The Intent Gap: Where Messaging Loses the Sale

Your brand message might be polished. Your customers are still asking basic questions about price, availability, hours, dietary fit, and policies. This article breaks down intent drift, why it hurts conversion, and how to audit your content so your messaging matches what shoppers are actually trying to do.

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The Intent Signals Hiding in Plain Sight

High-intent searches like “open now,” “near me,” “best option for,” and “what should I buy” are the moments customers are ready to act. This article breaks down how to spot these signals, show up with the right answers, and shift spend toward demand that already exists.

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