KISIM (CISTEC AG) · Switzerland's leading clinical information system

<90 daysFirst production clinical LLM in CH
01

Problem

Transform a market-leading Swiss clinical information system into a production AI platform under FADP / GDPR, with on-prem privacy and hospital-grade reliability. Scale AI fluency across an established 50+ engineering organisation without disrupting existing clinical delivery.

02

Approach

Head of AI & Engineering Lead at CISTEC AG. Secured C-suite mandate, authored the strategy, secured budget. Shipped KISIM AI in <90 days (generative discharge drafts, semantic retrieval, structured medical extraction, summarisation). Built the reusable platform: LLM gateway, pgvector hybrid search, two-stage context pipeline, on-prem PII masking (custom GLiNER/BERT, 97%+ accuracy). Scaled AI adoption to 50+ engineers via guardrailed agentic-tooling rollout with playbooks and prompt patterns.

03

Outcome

Switzerland's first production clinical LLM platform. Live in Swiss hospitals with expanding pilot pipeline. New ARR streams. Repositioned the company as an AI-enabled market leader. Presented at the openEHR.ch Symposium.

Engage

Map the process before you buy the tool.

One call to agree whether a process audit, a system build or a fractional AI lead fits where you are.