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Jan Joris Vereijken Email & Phone Number
Chief Technology Officer
at
Crunchr
1 work email found
@crunchrapps.com
2 phones found area 120
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 100%
Current company
Role
Chief Technology Officer
Location
Amsterdam, North Holland, Netherlands
Company size
Who is Jan Joris Vereijken? Overview
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Quick answer
Jan Joris Vereijken is listed as Chief Technology Officer at Crunchr, a company with 44 employees, based in Amsterdam, North Holland, Netherlands. AeroLeads shows a work email signal at crunchrapps.com, phone signal with area code 120, and a matched LinkedIn profile for Jan Joris Vereijken.
Jan Joris Vereijken previously worked as Member of Ethics Review Committee at University Of Amsterdam and Chief Security Architect at Ing. Jan Joris Vereijken holds Ph.D., Technical Computing Science from Eindhoven University Of Technology.
Company email context
Email format at Crunchr
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{first}@crunchrapps.com
86% confidence
AeroLeads found 1 current-domain work email signal for Jan Joris Vereijken. Compare company email patterns before reaching out.
Profile bio
About Jan Joris Vereijken
Highly knowledgable and experienced CTO / Chief Architect. Strong analytical thinker with overview from business to technology. Trained as a researcher, seasoned as a practioner. Over 30 years of experience with security, infrastructure, scalability, software engineering, risk, and privacy. Track record of leadership in scale-up companies as well as complex international organizations.Experienced speaker at conferences and frequent guest lecturer at universities. Eager storyteller, able to convince from board to engineer level.
Listed skills include Security, Enterprise Architecture, Computer Security, Networking, and 21 others.
Current workplace
Jan Joris Vereijken's current company
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Crunchr
10 roles
Jan Joris Vereijken work experience
A career timeline built from the work history available for this profile.
Member Of Ethics Review Committee
CurrentMember of the Ethics Review Committee for Open Systems, Software and Security. The committee reviews research proposals and provides advice in recognizing and addressing ethical issues.
May 2021 - Present
Chief Technology Officer
CurrentEnd-responsible for our technology stack, with special focus on security, privacy, infra, scalability, and data.Member of the Crunchr MT, reporting to the Founder/CEO.
Feb 2018 - Present
Chief Security Architect
End-responsible for security architecture in 40+ ING country units. Globally responsible for electronic banking fraud maturity. Manager of the COO/CISO/Security Architecture team. Member of the MT CISO and the MT Enterprise Architecture, reporting to the global CISO. Member of the NL FI-ISAC and EU FI-ISAC incident sharing forums.
Apr 2011 - Nov 2017
Global Security Architect
Responsible for security architecture across ING Direct business units in nine countries, reporting to the global CIO. Chair of the ING Direct Security Expert Group. ING Direct Computer Incident Response Team lead. Member of the NL FI-ISAC incident sharing forum.
Jan 2005 - Mar 2011
Security Architect
Network security and UNIX security consultancy. Reviewing network designs. Vendor selection for network equipment.
Nov 2001 - Dec 2004
Network Architect
Mobile telephony network planning projects esp. greenfield 3G / UMTS deployments.
Nov 2000 - Oct 2001
Senior Software Engineer
Software engineering for the 5ESS telephone switching system in the area of digit analysis esp. number portability and carrier selection. Lead estimator for new feature requests.
Nov 1997 - Oct 2000
Academic Researcher
Research in formal specification and verification of network protocols. Teaching several classes to undergraduate and graduate students.
Jun 1993 - May 1997
Software Engineer
Software engineering for FORCHECK (a Fortran source code analyzer and programming aid). Maintaining documentation and the licensing system. Fulfilling orders.
Nov 1988 - May 1993
5 education records
Jan Joris Vereijken education
Ph.D., Technical Computing Science
Eindhoven University Of Technology
M.Sc., Theoretical Computer Science, Minors In Law And Russian Language
Leiden University
Propaedeuse, Technical Computing Science
Eindhoven University Of Technology
High School
Eckart College
Elementary School
De Wentelwiek
FAQ
Frequently asked questions about Jan Joris Vereijken
Quick answers generated from the profile data available on this page.
What company does Jan Joris Vereijken work for?
Jan Joris Vereijken works for Crunchr.
What is Jan Joris Vereijken's role at Crunchr?
Jan Joris Vereijken is listed as Chief Technology Officer at Crunchr.
What is Jan Joris Vereijken's email address?
AeroLeads has found 1 work email signal at @crunchrapps.com for Jan Joris Vereijken at Crunchr.
What is Jan Joris Vereijken's phone number?
AeroLeads has found 2 phone signal(s) with area code 120 for Jan Joris Vereijken at Crunchr.
Where is Jan Joris Vereijken based?
Jan Joris Vereijken is based in Amsterdam, North Holland, Netherlands while working with Crunchr.
What companies has Jan Joris Vereijken worked for?
Jan Joris Vereijken has worked for Crunchr, University Of Amsterdam, Ing, Lucent Technologies Bell Labs Innovations, and Eindhoven University Of Technology.
How can I contact Jan Joris Vereijken?
You can use AeroLeads to view verified contact signals for Jan Joris Vereijken at Crunchr, including work email, phone, and LinkedIn data when available.
What schools did Jan Joris Vereijken attend?
Jan Joris Vereijken holds Ph.D., Technical Computing Science from Eindhoven University Of Technology.
What skills is Jan Joris Vereijken known for?
Jan Joris Vereijken is listed with skills including Security, Enterprise Architecture, Computer Security, Networking, Software Engineering, Banking, Network Design, and Vulnerability Management.
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