Contact Information
Company Information
Professional Summary
Marthijn Pieters serves as CEO at Online Seminar. Online Seminar operates in the online media sector with approximately 23.0 employees. The company is headquartered in Amsterdam, North Holland.
Industry & Role Insights
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MessageCEO tracks 865 executives in the online media sector.
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1,041 executive contacts are available in North Holland.
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Our database includes 201,469 c suite-level executives.
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Keywords
online seminars
webinars
hoge interactiviteit
data opslag
gebruiksvriendelijk
live video en audio
fullservice
studio faciliteiten
hybride events
virtuele events
studios
talkshows
learning
development
data genereren
online audio & video media
online events
hybrid events
e-learning
lead generation
interactive communication
data insights
project management
presentation coaching
production support
audience engagement
mobile studios
tv studio rental
digital communication
community building
business communication
content creation
virtual events
live streaming
call to action
on-demand webinars
polling
audience analytics
security
gdpr compliance
user interaction
brand awareness
marketing tools
team training
moderation
chat functions
database integration
reporting
success stories
customer support
event management
custom branding
registration
confirmation emails
reminder notifications
training modules
feedback surveys
api integration
feedback evaluation
participant tracking
knowledge assessment
interactive features
performance metrics
high quality studios
professional presentation
online media
internet
information technology & services
computer software
education
education management
marketing & advertising
sales
productivity
events services
Related Executives
Outreach Guidance — online media Sector
Media executives focus on audience growth, content monetization, and advertising revenue. Cold outreach to Marthijn Pieters is most effective when tied to measurable audience or revenue outcomes.
Marthijn Pieters's Position in the MessageCEO Database
- •Marthijn Pieters is 1 of 1 verified executive contact we track at Online Seminar.
- •851 verified executive contacts in online media are in the MessageCEO database.
- •1,033 verified executive contacts in North Holland are in the database.
- •17 verified contacts work at online media companies in the 23.0 employee range (same size as Online Seminar).
Executive contact data compiled from public business filings, LinkedIn public profiles, company press materials, and verified outbound email testing. We do not publish personal addresses or sensitive identifiers. Methodology & sources · Removal requests handled at /remove-info · Updated July 2026.
Frequently Asked Questions
How do I reach Marthijn Pieters directly?
Marthijn Pieters's verified email address is available to MessageCEO Pro subscribers. They currently serve as CEO at Online Seminar. Access direct contact info to skip gatekeepers and reach the decision maker.
What company does Marthijn Pieters work for?
Marthijn Pieters is CEO at Online Seminar, a company in the online media sector with 23.0 employees. The company is based in Amsterdam, North Holland.
Can I pitch or sell to Marthijn Pieters?
As CEO at Online Seminar, Marthijn Pieters is a key decision-maker in the online media sector. MessageCEO Pro gives you verified email to reach Marthijn Pieters directly — ideal for B2B sales, partnerships, and executive recruiting.
What industry is Marthijn Pieters in?
Marthijn Pieters works in the online media industry as CEO at Online Seminar. MessageCEO provides verified contact information for executives across all major industries.
Is Marthijn Pieters's contact information verified?
Yes. MessageCEO verifies executive contact information through multiple data sources and regular validation checks. Marthijn Pieters's profile is kept up-to-date with the latest available information.
Last updated: July 23, 2026
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