> Hello, I'm

Leon Holub

Cybersecurity consulting
Secure software development & compliance

Frankfurt, Hesse, Germany

New ActSecure — Cyber Resilience Act consulting for businesses

About me

I'm always interested in connecting with professionals from cybersecurity, med-tech, pharma, and software development. Let's discuss how we can advance healthcare through secure, innovative technology solutions.

Current information on regulatory changes in software and cybersecurity

Knowledge exchange on software development and team leadership

Strategic development of secure software solutions

Regulatory intelligence and automation of regulatory affairs processes

Project management of complex projects in regulated environments

Cybersecurity in application development and operations

Translation of technical and regulatory requirements into business value

Aktueller Fokus

I help companies build secure software – from secure development practices to compliance with the EU Cyber Resilience Act.


Skills

/* top skills */

Cybersecurity Regulatory Intelligence Software Project Management Agile Application Development Threat Modeling

/* other skills */

Team Leadership Software as a Service (SaaS) Product Management Project Management API Development Digital Health Entrepreneurship Software Development Legal Compliance IT Security Policies Jira Agile Methodologies

Experience

Product Manager Regulatory Radar

Johner Institut GmbH

Nov 2025 – Present · 5 months

Regulatory Intelligence Product Management

Software Development Team Lead

Johner Institut GmbH

Mar 2025 – Present · 1 year 1 month · Full-time

Agile Application Development Cybersecurity Software Security

Product Owner Regulatory Radar

Johner Institut GmbH

Jan 2024 – Oct 2025 · 1 year 10 months · Full-time

Project Management Agile Application Development

Co-Founder & CEO

patient.one GmbH

Jan 2020 – Dec 2022 · 3 years · Frankfurt am Main

Leading patient.one GmbH as CEO together with my Co-Founder we raised a seed round for research and development of our rhēmi-App, a mobile app that helps track symptoms and activity of patients with rheumatoid arthritis.

Digital Health Entrepreneurship

Software & Web Development

leonholub.de

2011 – Dec 2022 · 12 years · Frankfurt am Main

Consulting and implementation of software and web projects across various industries and domains as a freelance consultant.

Software Development Software Project Management

Backend Developer

Humanitec

Apr 2017 – Dec 2017 · 9 months

Software Security Software Development

Lead Software Development Engineer

Lionoir

May 2014 – Mar 2017 · 2 years 11 months

API Development Software Project Management

Certificates

IT Security Law: Overview of NIS2, CRA & Co.

LinkedIn · May 2025

> View credential ↗

Atlassian Agile Project Management Professional Certificate

Atlassian · Aug 2024

> View credential ↗

Learning Threat Modeling for Security ProfessionalsLearning Threat Modeling for Security Professionals

LinkedIn · Aug. 2024

> Nachweis ansehen ↗

Scrum Product Owner

Skillsoft · Juli 2024

> Nachweis ansehen ↗

Seminar Risikomanagement und ISO 14971 (zweitägig)

Johner Institut GmbH · Jan. 2024

CompTIA Security+

CompTIA · Jan. 2024

> Nachweis ansehen ↗

Projects

🏆

Regulatory Radar – Shortlisted for German Digital Award 2024

With the Regulatory Radar, the healthcare industry can keep track of all changes to the thousands of relevant regulations worldwide, efficiently assess them, and ultimately comply with them. The tool not only makes an important contribution to corporate compliance, but ultimately to the safety of physicians and patients.

📊

Regulatory Radar – Gartner Market Guide

The Regulatory Radar was included in the list of Representative Regulatory Intelligence Solutions in the latest Gartner Market Guide – a significant validation of the work accomplished.


Recommendations

I have experienced Leon as an extremely competent and reliable developer and Product Owner of our Radar SaaS, who has made a significant contribution to product development with foresight and constructive concepts and solutions. As a leader, he guided the development team clearly, empathetically and effectively. Particularly noteworthy is his deep expertise in cybersecurity, which has sustainably secured our products. Highly recommended both professionally and personally.

Andrea Seeck

Direct supervisor · August 2025

Leon is a dedicated and brilliant software engineer with the confidence and adaptability to lead teams efficiently and fairly. He understands difficult technical concepts easily and has the soft skills to translate for non-technical and prioritize based on business needs. He has a diversity of experiences that allows him to find the right tool, stack, and language for the job without bias.

Gregory Lind

CEO and Co-Founder @ buildlyio · September 2024


Languages

German Native
English Professional working proficiency