--- title: "Kevin Kirui (@kevinkirui) | Hashnode" description: "Healthcare Workflow & AI Systems Designer building practical AI evaluation and workflow tools for health tech." url: "https://hashnode.com/@kevinkirui" --- @kevinkirui # Kevin Kirui @kevinkirui · Nairobi, Kenya · Joined October 2026 Healthcare Workflow & AI Systems Designer building practical AI evaluation and workflow tools for health tech. ### [A Valid Model Response Can Still Be an Unsafe One](https://kevin-kirui-ai.hashnode.dev/a-valid-model-response-can-still-be-an-unsafe-one?utm_source=hashnode&utm_medium=feed) A model can return valid JSON. The API can return 200 OK, the evaluation suite can pass, and the confidence score can be high. The system can still do the wrong thing. 6 min read · [kevin-kirui-ai.hashnode.dev](https://kevin-kirui-ai.hashnode.dev/a-valid-model-response-can-still-be-an-unsafe-one?utm_source=hashnode&utm_medium=feed) [Oct 3](https://hashnode.com/posts/a-valid-model-response-can-still-be-an-unsafe-one/6ac0daaff77e843ba9ffb0e3) ### [A Human in the Loop Does Not Automatically Make an AI Workflow Safe](https://kevin-kirui-ai.hashnode.dev/a-human-in-the-loop-does-not-automatically-make-an-ai-workflow-safe?utm_source=hashnode&utm_medium=feed) Human review doesn't automatically make AI workflows safe. Learn how validation, overrides, audit trails, and safety constraints improve AI systems. 6 min read · [kevin-kirui-ai.hashnode.dev](https://kevin-kirui-ai.hashnode.dev/a-human-in-the-loop-does-not-automatically-make-an-ai-workflow-safe?utm_source=hashnode&utm_medium=feed) [2](https://hashnode.com/posts/a-human-in-the-loop-does-not-automatically-make-an-ai-workflow-safe/6abf7e7fe47a9f1a0d13434f) [Oct 2](https://hashnode.com/posts/a-human-in-the-loop-does-not-automatically-make-an-ai-workflow-safe/6abf7e7fe47a9f1a0d13434f) ### [Your Healthcare AI Model Passed Its Tests. Your Workflow Can Still Fail.](https://kevin-kirui-ai.hashnode.dev/your-healthcare-ai-model-passed-its-tests-your-workflow-can-still-fail?utm_source=hashnode&utm_medium=feed) Learn how to test healthcare AI workflows for prompt injection, malformed outputs, missing data, conflicts, and escalation. 5 min read · [kevin-kirui-ai.hashnode.dev](https://kevin-kirui-ai.hashnode.dev/your-healthcare-ai-model-passed-its-tests-your-workflow-can-still-fail?utm_source=hashnode&utm_medium=feed) [4](https://hashnode.com/posts/your-healthcare-ai-model-passed-its-tests-your-workflow-can-still-fail/6abe4577a1fb85c6bac42e01) [Oct 1](https://hashnode.com/posts/your-healthcare-ai-model-passed-its-tests-your-workflow-can-still-fail/6abe4577a1fb85c6bac42e01)