Dr. Sybe Izaak Rispens in

Dr. Sybe Izaak Rispens

Activist · DISC type Cd
CEO and founder at Stealth Startup
📍 Berlin Metropolitan Area, Germany

Dr. Sybe Izaak Rispens is the CEO and founder of a stealth startup, leveraging his deep expertise in AI and cybersecurity. An Oxford-educated leader with a PhD in the foundations of AI, he has held CISO roles in finance and healthcare. Colleagues describe him as an "exceptional expert" and "thought leader".

Driven by the motto "Curiosity is key! ", he combines his technical knowledge with a background in the philosophy of mind. He is a prolific writer, sharing his reflections on AI, security, and ethics on his personal blog. He has a reputation for being approachable and laughing easily.

He uniquely merges a PhD in AI foundations and philosophical training with top-tier cybersecurity certifications (CISSP, CISM) to advise on complex tech issues.

Read the full overview →
Experience
17 Years
Current Role
CEO and founder
Job Level
Leadership
Location
Berlin Metropolitan Area, Germany
Personality Overview

How Dr. shows up

Meticulous
Value Conscious
Observative

They focus on objectivity in a pitch and pay little attention to bells and whistles. They respond well to confident salespeople. They don’t always try to control the conversation but neither do they like yielding it fully.

Priorities

Topics Dr. cares about

AI & Cybersecurity
Helps organizations navigate AI-related cyber risks by combining deep technical expertise in artificial intelligence with enterprise security leadership.
Cyber Risk Quantification
His current startup is developing Monte Carlo simulation models to quantify cyber risk and model potential business impact scenarios.
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Career

Work history

7-2025
CEO and founder
Stealth Startup
1-2025 - 7-2025
Global Chief Information Security Officer
Tentamus Group
5-2023
VIllager
Team8
10-2022 - 1-2025
Information Security Officer
Trade Republic Bank GmbH
9-2020 - 10-2022
Lead ICT and Security Risk Management
Klarna
In the press

Media appearances

No media yetWe could not find public media appearances for this person.
Education
9-2024 - 12-2024
Oxford Executive Leadership Programme
Saïd Business School, University of Oxford
2002 - 2005
Doctor of Philosophy (PhD)
University of Groningen
Social presence
in
Behavioral profile

DISC profile (public)

C

Calculativeness (C)

Calculativeness (C) reflects the degree to which a person is likely to be cautious, systematic and analytical. Those scoring high tend to emphasise quality and accuracy.

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