Thomas Weller

Founder & Managing Director (Insight AI Solutions GmbH)

Insight AI • Fulltime

Jan 2026 - Present • 8 mos

Founder and Managing Director of Insight AI Solutions GmbH, a German AI company. I build AI systems for mid-sized companies inside their own Microsoft Azure environment. WHAT I BUILD - AI infrastructure: model deployments, a searchable knowledge base, roles and access, described as code - Data pipelines from wikis, ticket systems, manuals and video transcripts - updated every night, reprocessing only what changed - AI applications: your own web app with streaming answers and clickable sources, an agent in Copilot Studio, or AI as an API for your existing systems - Strategy, roadmap and training for your team, including the EU AI Act in plain terms IN PRODUCTION RIGHT NOW - RAG knowledge platform on Azure AI Foundry for a German enterprise software vendor - hybrid search, citation handling, FastAPI backend - Azure data pipeline for an energy-tech company - automated daily processing on Azure ML, RBAC-secured architecture - 1:1 AI executive coaching for the leadership of a German boutique asset manager TECH STACK Microsoft Azure: AI Foundry, AI Search, model deployments, ML Workspace, Container Apps, Cosmos DB, Key Vault, Entra ID, Bicep. Copilot Studio. Python, FastAPI, GitHub.

AI Developer

Fiverr • Parttime

Nov 2021 - Jan 2026 • 4 yrs 2 mos

AI Developer specializing in Knowledge Base Chatbots (RAG) and AI Automation for SMBs. TRACK RECORD: - 150+ completed Fiverr AI orders with 5-star average rating - Fiverr Pro Freelancer FLAGSHIP PROJECT: - Built and maintain an enterprise knowledge bot with 14,000+ documents serving 150-250 daily queries for 18+ months - Includes automated daily data pipelines, analytics reporting, and continuous improvement TECH STACK: - Platforms: Chatbase, Stack AI, Microsoft Azure AI Foundry, Relevance AI - Cloud: GCP (Vertex AI, BigQuery), Azure (AI Search, OpenAI Services) - Development: Python, LLM APIs (OpenAI, Claude, Gemini) SERVICES: → RAG Chatbots trained on company knowledge → AI Workflow Automation → Data Pipelines & Integrations → AI Training & Consulting

Senior Manager, Data Science (Director)

Commerzbank AG • Fulltime

Jun 2015 - Sep 2025 • 10 yrs 3 mos

10 years at Germany's second-largest bank, building and leading data science capabilities at enterprise scale. Joined as Data Scientist in 2015, promoted to Chapter Lead in 2019, promoted to Director in 2024. LEADERSHIP: - Built and led the Data Science Chapter in Sales Analytics — a team of 12 data scientists - Designed and ran a three-year Data Science trainee program across multiple cohorts, including assessment centers and ongoing mentoring GENERATIVE AI AT SCALE: - Designed and rolled out the bank-wide AI training program for 36,000+ employees, ensuring EU AI Act compliance — rated 4.5/5 internally - Delivered 10 executive presentations on AI to decision-makers of German mid-sized companies MACHINE LEARNING IN PRODUCTION: - Built and operated a Model Factory of 130 ML models for Next-Best-Offer campaigns, with 4-week retraining cycles - Led customer churn prediction projects end-to-end — from modeling to stakeholder presentations - Worked with LLMs (GPT-3, Llama 2) for customer feedback analysis and topic clustering TECH STACK: Python, scikit-learn, H2O, XGBoost, PySpark, SparkML, Hadoop ecosystem, Google Cloud (Vertex AI, BigQuery)