About 42Crunch

We're on a mission to simplify API security so developers, security and operations teams can unite and spend more time innovating!

OWASP API Top 10: See how 42Crunch can protect you and download our free cheat sheet!
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Meet the Founders

Our technical team has a long history in corporate security, integration and APIs. They have been designing, developing and deploying best of breed Web application firewalls, IAM and Web SSO solutions, XML/SOA gateways as well as API Management solutions for the last 15 years. Together, they bring a wealth of expertise to the 42Crunch platform.

Jacques Declas
CEO and Co-founder


Jacques Declas, founder and CEO of 42 Crunch, is an entrepreneur with more than 20 years in the Enterprise Software industry and a record of scaling international sales team. He has an extensive knowledge of the API Security market having served in senior VP roles in Forum Systems, Vordel (acquired by Axway) and Intel. 

During his career Jacques has built worldwide partnership with Software vendors such as Computer Associates, Oracle and Microsoft and leading consulting firms such as Accenture, Atos and CSC. 

Jacques holds a bachelor of Financial Management and European Business Law.

Isabelle Mauny
Field CTO and Co-founder


Isabelle Mauny, co-founder and CTO of 42Crunch spent most of her career at IBM, across a variety of technical roles, at the European level. She was part of the IBM WebSphere Strategy board and played a key role in the deployment in Europe of flagship products such as the WebSphere Application Server or DataPower appliances. 

During her time at IBM, she worked with the largest organisations both as a solutions architect and services professional. In 2009, she joined Vordel (acquired by Axway) as head of product management to then take the responsibility of the entire WSO2 portfolio as VP of Product Strategy in 2012. 

Isabelle is passionate about delivering customer-focused solutions and evangelizing the community about them. She has authored multiple books and is a regular speaker at technical conferences.

Philippe Leothaud
CTO and Co-founder


Philippe Leothaud has over 20 years of experience in Identity Management, application security and integration. 

He spent 8 years at BeeWare (now acquired by DenyAll) as CTO of a company focusing on Web Application Firewall, Web SSO and Web Access Management, and 6 years at Vordel (now acquired by Axway) as Principal Architect for API Management and API security.

Philippe is a co-founder of 42Crunch and is now specializing in securing API infrastructures, using/extending existing tools and standards (OpenAPI, OAuth, OpenID Connect, JOSE) and creating new ones.

Our Design Manifesto

Secure by design, trust no-one.

> Declared Security

API Security setup is declared, not manual

> Pre-defined Policies

Our domain knowledge and standards are available as pre-defined policies

> Proactive Control

Security teams are in control 

> Adaptive Security

Security is adapted to the risk involved

> Security as Code

Security Infrastructure is delivered as code

> DevSecOps Ready

Communication platform across all roles involved

Industry Recognition

42Crunch has been recognized by some of the industries top analysts as a leader.

42Crunch has been recognized by Gartner as a key vendor in both the API Security: What You Need to Do to Protect Your APIs and Hype Cycle for Application Security 2019 reports.

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Aite Group gave 42Crunch 5 out of 5 stars in 10 different categories in their report: The Gathering Storm: Securing the API Attack Surface With 42Crunch.

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KuppingerCole has named 42Crunch a Leader in categories for Product and Innovation in KuppingerCole API Management and Security Leadership Compass 2019.

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Careers at 42Crunch

42Crunch is growing fast! We are expanding our team to support the growth of the company. Join our startup to work on the most innovative API Security platform!

42Crunch Partners

We partner to deliver the world’s most comprehensive API security platform. Generate new business and grow existing customer relationships by partnering with 42Crunch.


42Crunch has offices located worldwide

San Francisco

95 Third Street, 2nd Floor
San Francisco, CA 94193 


5 Georges Dock
Dublin 1, Ireland 


71-75 Shelton Street, WC2h 9JQ
London, England

Ready to Get Started?

Developer-first solution for delivering API security as code.