Johan Keizer, Advocaat at KKNM Advocaten

Johan Keizer

mr. J.M. Keizer strafrechtadvocaat at Keizer Ketwaru Nierop van Megen Advocaten | Amsterdam, North Holland, Netherlands

Profile last verified July 2026
Law Practice Verified Profile Amsterdam, North Holland, Netherlands University of Amsterdam
Verified

Work Email

***@kknm.nl

Last verified August 2026

Phone Number

+31*****

Netherlands • Landline

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Johan Keizer Socials
Johan Keizer Work Experience

Advocaat at KKNM Advocaten in October 2014 - Present

mr. J.M. Keizer strafrechtadvocaat at Keizer Ketwaru Nierop van Megen Advocaten in September 2014 - April 2025

mr. J.M. Keizer at Kuijpers & Van der Biezen Advocaten in November 2009 - September 2014

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Advocaat at Van Oosten Advocaten Amsterdam in March 2005 - September 2009

Johan Keizer Education

University of Amsterdam, master

Don Bosco College Volendam, VWO

Johan Keizer Skills
Criminal Law Legal Advice Courts Criminal Defense International Criminal Law White Collar Criminal Defense Legal Research Criminal Defense Lawyer Family Law Juvenile Law Appeals Litigation Corporate Law International Law Commercial Litigation
Johan Keizer’s Colleagues
Heleen Feenstra

Heleen Feenstra

Amsterdam, North Holland, Netherlands

Advocaat at KKNM advocaten

Advocaat at KKNM Advocaten
(Jun 2025 – Present)

Robbert Ketwaru

Robbert Ketwaru

Amsterdam, North Holland, Netherlands

KKNM Advocaten

Strafrechtadvocaat, defense lawyer, abogado derecho penal

Donna Polet

Donna Polet

Amsterdam, North Holland, Netherlands

Student aan de Hogeschool van Amsterdam

Stagiair juridische zaken at KKNM Advocaten
(Feb 2026 – Present)

Britt Denneman

Britt Denneman

Zuid-Scharwoude, North Holland, Netherlands

Student bachelor rechtsgeleerdheid aan de UvA | Juridisch secretaresse bij KKNM Advocaten

Juridisch secretaresse at KKNM Advocaten
(Oct 2025 – Present)

Suus Tuinenburg

Suus Tuinenburg

Amsterdam, North Holland, Netherlands

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Secretaresse at KKNM Advocaten
(Dec 2024 – Present)

BK

Barbara Klunder

Amsterdam, North Holland, Netherlands

Strafrechtadvocaat partner KKNM Advocaten

Lid werkgroep strafrecht at Nederlands Juristen Comité voor de Mensenrechten (NJCM)
(Apr 2025 – Present)

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Frequently asked questions about Johan Keizer

What is Johan Keizer email address?

Email Johan Keizer at [email protected]. This email is the most updated Johan Keizer's email found in 2026.

What is Johan Keizer phone number?

Johan Keizer phone number is +31.205301440.

How to contact Johan Keizer?

To contact Johan Keizer send an email to [email protected]. If you want to call Johan Keizer try calling on +31.205301440.

What industry does Johan Keizer work in?

Johan Keizer works in the Law Practice industry.

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