Practical IT strategy and leadership for small and medium businesses
I write about running technology well, especially in Microsoft 365 environments, and about the leadership it takes. This is also where I share the free, open source tools I build along the way.
Latest writing
Short, practical pieces on IT leadership, change management, and getting better at the work.
- How to Warn Your Users About Phishing
A plain-language email you can send to users about phishing: what to watch for, what to do, and how to report it. - AI Agents Trust Each Other Too Much
New research shows a malicious instruction can pass from one AI agent to the next. Here is what happened and what to ask before you connect agents. - How to Find Unused Microsoft 365 Copilot Licenses
A short PowerShell script that shows who has a Microsoft 365 Copilot license, who has used it in the last 28 days, and who hasn’t.
Topics:LeadershipFruitfulness
Free & open source projects
Tools I have built and given away. No cost, no catch, and the source is on GitHub.
DNS Benchmark
Finds the fastest DNS resolver for your connection. It tests your system’s servers and popular public resolvers over UDP, TCP, DNS-over-TLS, and DNS-over-HTTPS, then ranks them by real-world speed.
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Shell Sheet
A text editor where any line can be a shell command. Press Ctrl+Enter and the output appears right beneath it, so your whole session stays in one document you can edit, search, and save.
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New here? Start with the Welcome post. It explains what this site is about: leadership lessons drawn from military experience and mentorship, practical IT strategy, and the occasional personal tangent.