Head of AI
T-Systems. Sovereign LLM. 40+ team.
AI Foundation Services
Sovereign LLM platform with EU data residency
AI Product Leader
Head of AI Business Unit at T-Systems
Head of AI at T-Systems. Building sovereign AI for Europe. Based in Cologne.
About
Tech expertise + high-performance teams + 0-1 products that drive B2B growth
Hello there
I build product teams that ship.
From enterprise AI to industrial IoT to energy — healthcare, automotive, manufacturing, public sector.
Engineering background (M.Sc. EE). I work closely with ML teams on architecture, not just roadmaps. Open source contributor — co-founded thin-edge.io, now at 1.0 with production deployments.
LLM Platforms
Sovereign AI, EU data residency
0→1 Products
Concept to production
Team Building
Scaled teams 5 to 50+
P&L Ownership
Global revenue responsibility
Senior PM
Cumulocity IoT. 125% growth.
Co-Founder
thin-edge.io. Rust. OSS.
PM
E.ON. Energy SaaS.
Experience
From enterprise AI platforms to IoT solutions
Professional Experience
Head of AI Business Unit
T-Systems International
2024 - Present
Scaled AI business unit to 40+ engineers and researchers. Launched AI Foundation Services — sovereign LLM platform with 15+ models via unified API. 20+ enterprise customers in healthcare, defense, automotive, public sector. Double-digit revenue growth in 8 months. Built #4 open-source AI project in Telekom's GitHub ecosystem.
Tribe Lead Technology & Innovation
T-Systems International, Office of the CTO
2023 - 2024
Developed T-Systems' AI strategy across generative AI, multimodal LLMs, and emerging tech. 3 AI solutions productized in under 6 months. Closed strategic partnerships with Nvidia, LlamaIndex, growing partner pipeline to 35+. Technical advisor on executive presentations and EU R&D proposals (IPCEI AI).
Senior Product Manager, Cumulocity IoT Edge
Cumulocity (formerly Software AG, now independent scale-up after 2025 MBO)
2021 - 2023
Led IoT Edge product to 125% YoY revenue growth. Launched FIPS/DISA-STIG compliant variant for defense sector — 2nd largest IoT deal in North America 2021. Expanded to Azure Marketplace. 5G Private Network co-innovation with 5 leading telcos (Europe, APAC, Middle East). Gartner Leader, Forrester #1 IIoT Wave.
Co-Founder & Lead Product Manager
thin-edge.io (Open Source)
2021 - 2023
Led product vision for open-source IoT edge framework (~28k LOC Rust). Cloud-agnostic connectivity for industrial gateways, PLCs, and embedded Linux (≥16 MB RAM). Created project governance model and community with public meetups. 12 co-innovation agreements with early adopters.
Product Manager, Cumulocity IoT
Cumulocity (then Software AG)
2019 - 2021
Owned fastest-growing IoT product at Software AG. Edge computing and device SDKs. Reduced onboarding time 85%. Co-innovation agreements with 2 of Europe's largest wind-turbine manufacturers. Co-sell partnership on Microsoft Azure Marketplace.
Product Manager, E.ON Optimum
E.ON SE
2016 - 2019
Technical Product Owner for E.ON Optimum — SaaS energy management platform on Google Cloud. Launched in UK, Germany, France for 5,000+ customers. Led 17-person engineering team. ML-based anomaly detection for building management systems. €5M+ energy savings for retail and manufacturing customers.
Education
2016
M.Sc. Electrical Engineering & Business Administration
University of Duisburg-Essen, Germany
2015
M.Sc. Electrical Engineering
National University of Malaysia (UKM)
2014
B.Sc. Electrical Engineering & Business Administration
University of Duisburg-Essen, Germany
Core Competencies
Product & Strategy
Technical
Leadership
Portfolio
Products and projects I've led
- All
- AI
- IoT
Cumulocity IoT
Industrial IoT platform, Gartner Leader, now independent scale-up
thin-edge.io
Cloud-agnostic IoT edge framework, Rust, industrial gateways
E.ON Optimum
Energy SaaS on Google Cloud, 5,000+ customers
Case Studies
Deep dives into products I've built
AI
AI Foundation Services
Problem: European enterprises needed LLM capabilities but couldn't use US hyperscalers due to GDPR and data residency requirements.
Approach: 15+ models (Llama, Mistral, GPT-4o, Claude) via unified API. Full EU data residency and compliance.
- 20+ enterprise customers across healthcare, defense, automotive, public sector
- Double-digit revenue growth in 8 months
- 40+ person team, #4 open-source AI project in Telekom ecosystem
IoT
Cumulocity IoT Edge
Problem: Industrial customers needed edge IoT but existing solutions required deep technical expertise.
Approach: Self-service deployment for OT teams. Reduced dependency on IT provisioning.
- 125% year-over-year revenue growth
- FIPS/DISA-STIG compliant variant — 2nd largest NA deal in 2021
- 5G Private Network projects with 5 leading telcos
- Gartner Leader, Forrester #1 IIoT Wave, MachNation #1 Edge
Open Source
thin-edge.io
Problem: Device teams waste time building custom embedded code for cloud connectivity, certificate management, and device management — locked to one vendor.
Approach: Lightweight, modular, cloud-agnostic framework (~28k LOC Rust). Runs on ≥16 MB RAM brownfield hardware. Full device lifecycle: provisioning, OTA updates, remote access. Apache 2.0 license.
- v1.0 with production deployments at industrial OEMs
- Cloud-agnostic: AWS, Azure, Cumulocity IoT
- 12 co-innovation agreements with early adopters
- Community with public meetups, project governance model
Energy
E.ON Optimum
Problem: Commercial building operators wasting energy without visibility. No easy way to detect HVAC inefficiencies or equipment anomalies.
Approach: SaaS energy analytics platform on Google Cloud. ML-based anomaly detection and predictive maintenance for HVAC. Automated alerts: "Your HVAC runs 2 hours too long" vs. raw dashboards.
- Launched in UK, Germany, France — 5,000+ customers
- 20,000+ meters and building management systems integrated
- €5M+ energy savings for retail and manufacturing
- 12% energy reduction in commercial buildings
Testimonials
What colleagues say about working with me
Manish Devgan
CPO at Hazelcast
"Andrej is a rare breed of highly effective product managers. He focuses on creating value for customers and motivating a team toward a shared outcome. His strategic thinking and entrepreneurial spirit set him apart."
Raza Aslam
Head of PM at Zalando
"Andrej's customer-centricity approach driven by strong analytical capabilities helped in our successful product launch to product-market fit and at scale."
Pavan Daga
Engineering Manager at Google
"Andrej brings great focus and customer-centricity. He evolved a deeply technical product into a user-centric product with his focus on user experience."
Leonard Thiele
Engineering Manager at Klarna
"As a Software Engineer it was always fun and productive to work with Andrej. He was able to understand complex technical problems quickly and explain product goals to engineers."
Contact
Let's connect