About the Author

Zach Gardner

Zach Gardner is Keyhole Software's Chief Architect with more than a decade of development experience. Zach has led numerous initiatives to modernize technologies and processes with real-world experience as an educator, architect, technical lead, developer, and mentor. He primarily lives in Microsoft Azure, leveraging modern architectural approaches to enable hybrid app modernization that meets business needs at an exceptional cadence. He also mentors new developers and provides architectural input to complement the existing talent of clients.

Diagram of GitHub and Azure DevOps pull requests sorted by risk tier, with low risk approved and the rest sent to human review.

Risk-Gated AI Pull Request Approval with Copilot

Zach Gardner Agentic AI & AI-Accelerated Development, All Industries, Articles, Artificial Intelligence, DevOps, Industry Research Leave a Comment

Code review has always been a little slow (if you’ve ever watched a one-line fix sit in a queue for three days, you know what I mean). Someone opens a pull request, a teammate gets to it when they can, and the change waits in between. That was tolerable when a developer opened a few pull requests a week. With …

White paper header for “Agentic Harness Architecture in 2026: Components, Vendors, and a Reference Design for Data Engineering” by Zach Gardner, Chief Architect at Keyhole Software. A blueprint-style figure shows the model at the center, surrounded by rings for guides, tools, sensors and governance, with work passing a sensor checkpoint before reaching pipelines, datasets and catalog.

White Paper – Agentic Harness Architecture in 2026: Components, Vendors, and a Reference Design for Data Engineering

Zach Gardner Agentic AI & AI-Accelerated Development, All Industries, Architecture, Articles, Artificial Intelligence, Industry Research 1 Comment

How to design an agentic harness: components, 13 harnesses compared, a data engineering reference architecture, risk controls, and a phased roadmap. Free PDF.

Data Migration Without the Drama” blog header by Zach Gardner, Chief Architect at Keyhole Software. A diagram shows data domains moving from a legacy system through a reconciliation gate to a target platform in waves. The first wave is reconciled on row counts and field totals.

Data Migration Without the Drama: A 2026 Guide for CEOs and CIOs

Zach Gardner Agentic AI & AI-Accelerated Development, All Industries, Architecture, Articles, Artificial Intelligence, Data Management, Data Science, Industry Research, Modernization 1 Comment

Most data migrations run over time or budget. Here are the root causes, a gated phase-by-phase plan, AI guardrails, and a checklist for CEOs and CIOs.