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I often travel between offices and speaking engagements.
Here’s how to get in touch:


For any client service requests
you can email my assistant Diana:


I’ve spoken at various in-person and virtual events for companies, conferences and private events. For speaking inquiries, please email:

Advice and

After answering 21,000+ emails over 5 years, I’ve made a conscious choice to drastically reduce the time I spend in my email. For those short on time (like me), here are quick responses to the most frequent (advice) questions I get.

InfoSec PubQuiz
Part of BiDR BV
Oude Litherweg 2
5346 RT Oss
The Netherlands
T: 0412 – 78 65 34
Coc: 67444830
Vat: NL856994893B01

Anything else to ask or report?

Don’t want an InfoSec PubQuiz Pack, or for me to speak at your event?
Is your question not in the frequently asked questions?
Then, please fill out the form below.