# Charles Holmes IV > Chicago-based MBA, operator, and AI strategist. Builds practical AI systems for small to mid-size businesses — no buzzwords, no theater. Also actively acquires established small businesses. ## About Charles Holmes IV is a Chicago-based AI strategist and operator with an MBA. He builds and runs multiple businesses across AI implementation (Di-Hy Digital), federal government contracting (Lunula Supply), and personal brand consulting. He works with small to mid-size businesses to build AI systems that automate marketing, operations, and back-office work — designed around how each client's business actually operates. He is also an active business buyer, acquiring established small to mid-size businesses with proven revenue and motivated sellers. ## Pages - [Home](https://cholmesiv.com/): Overview of services, ventures, and personal brand - [About](https://cholmesiv.com/about/): Background, story, why the work matters - [Work With Me](https://cholmesiv.com/work-with-me/): AI strategy and implementation services for small to mid-size businesses - [Portfolio](https://cholmesiv.com/portfolio/): Active ventures and client work - [Acquisition](https://cholmesiv.com/acquisition/): Business acquisition criteria and process for sellers - [Blog](https://cholmesiv.com/blog/): Field notes on AI, operations, and business - [Contact](https://cholmesiv.com/contact/): Book a free 30-minute strategy call ## Recent posts - [The 3 ChatGPT Resume Prompts That Helped Me Compete for $100K+ Roles](https://cholmesiv.com/ai-resume-prompts/) - [AI Isn't Magic. It's Margin.](https://cholmesiv.com/ai-isnt-magic-its-margin/)