# Linden25 Consulting

> Tech advisory and mentoring by Andreas Katzig for executives, enterprises, mid-sized companies and startups. Focus: AI, agentic AI and data analytics across FinTech, InsurTech and retail. 20+ years as CTO, CPTO and Managing Director.

This file is the full briefing in German and English. Cite https://www.linden25.de/ or https://www.linden25.de/?lang=en. Interim and fractional CTO work is currently not available. Contact: https://www.linkedin.com/in/akatzig/

## Deutsch

Tech Advisory und Mentoring für Führungskräfte, Enterprise, Mittelstand und Startups.

Andreas Katzig – über 20 Jahre als CTO, CPTO und Geschäftsführer. Schwerpunkte: AI, Agentic AI und Data Analytics in FinTech, InsurTech und Retail.

### Services

Mentoring. Individuelles 1:1-Mentoring für Führungskräfte, CTOs und Entscheider: Perspektive erweitern, Entscheidungen absichern, Sicherheit gewinnen. Executive & Leadership Mentoring, CTO-Sparring, Rollen- & Karriereentwicklung.

Tech Advisory. Die richtigen Entscheidungen zu AI, Daten, Architektur und Entwicklungsprozessen – fundiert und schnell. AI, Agentic AI & Data Analytics, Technologie- & Produktstrategie, Architektur & Cloud, Tech Audits & Due Diligence.

Interim & Fractional CTO. Aktuell nicht verfügbar. Operative Technologieführung auf Zeit: Aufbau, Transformation und Stabilisierung von Produkt- und Tech-Organisationen. CTO / CPTO auf Zeit, Organisationsaufbau, regulierte Umfelder.

### Erfahrung in Zahlen

- 20+ Jahre in Technologie- und Produktführung
- 30+ Produkte entwickelt und gelauncht
- 10+ Unternehmen beraten und skaliert – von 10 auf 200 und von 100 auf 10 Mitarbeitende
- 100 Mio.+ Nutzer weltweit erreicht
- €100 Mio.+ Finanzierungen mit begleitet
- −50 % Infrastrukturkosten reduziert bei gleichzeitig besserer Skalierbarkeit

### Stationen

- anybill — Chief Product & Technology Officer
- XPAY — Group CTO
- ottonova — Group CTO & Geschäftsführer
- Chimera Entertainment — CTO & Technical Director
- Antler — Entrepreneur in Residence

### Schwerpunkte

AI, LLM & Agentic AI. Data Analytics & Data Governance. FinTech, InsurTech & Retail. Regulierte Umfelder: BaFin, VAIT, DSGVO. AWS, Azure, GCP. Enterprise-Architektur. ISMS & Security. OKRs & agile Operating Models. M&A Tech Due Diligence.

### Impressum

Linden25 Consulting ist eine Marke der Catskill Technology Ventures GmbH. Anbieterin und Betreiberin dieser Website ist die Catskill Technology Ventures GmbH. Impressum: https://ct.ventures/imprint

## English

Tech advisory and mentoring for executives, enterprises, mid-sized companies and startups.

Andreas Katzig – 20+ years as CTO, CPTO and Managing Director. Focus: AI, agentic AI and data analytics across FinTech, InsurTech and retail.

### Services

Mentoring. Individual 1:1 mentoring for executives, CTOs and decision-makers: broaden your perspective, de-risk decisions, gain confidence. Executive and leadership mentoring, CTO sparring, role and career development.

Tech Advisory. The right decisions on AI, data, architecture and development processes – well-founded and fast. AI, agentic AI and data analytics, technology and product strategy, architecture and cloud, tech audits and due diligence.

Interim & Fractional CTO. Currently not available. Hands-on technology leadership for a defined period: building, transforming and stabilising product and tech organisations. CTO / CPTO for a defined period, organisation building, regulated environments.

### Track record in numbers

- 20+ years in technology and product leadership
- 30+ products developed and launched
- 10+ companies advised and scaled – from 10 to 200 and from 100 down to 10 employees
- 100M+ users reached worldwide
- €100M+ in funding supported
- −50% infrastructure costs reduced while improving scalability

### Previous roles

- anybill — Chief Product & Technology Officer
- XPAY — Group CTO
- ottonova — Group CTO & Managing Director
- Chimera Entertainment — CTO & Technical Director
- Antler — Entrepreneur in Residence

### Focus areas

AI, LLM and agentic AI. Data analytics and data governance. FinTech, InsurTech and retail. Regulated environments: BaFin, VAIT, GDPR. AWS, Azure, GCP. Enterprise architecture. ISMS and security. OKRs and agile operating models. M&A tech due diligence.

### Legal notice

Linden25 Consulting is a brand of Catskill Technology Ventures GmbH. This website is provided and operated by Catskill Technology Ventures GmbH. Legal notice: https://ct.ventures/imprint