Oopen

oopen.co

information technology & services

oopen.co

Utrecht, Utrecht, Netherlands

11-50 employees

LinkedIn Profile

About Oopen

entrepeneur, technology, information & internet, information technology & services

Oopen's Tech Stack

AI/ML

Decision Makers at Oopen

3 contacts

Thijs Zoon

Co-founder, CTO

t***@justacodename.com Sign up to view

Michel Elings

Co-Founder & CEO

m***@justacodename.com Sign up to view

Jeroen Janssen

Co-founder & COO

j***@justacodename.com Sign up to view

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50 technologies detected · 3 decision makers · Emails available

Sales Outreach Angle

Python signals data science, ML, or automation workflows. Data platforms, MLOps tools, and cloud compute solutions are strong fits for outreach.

Oopen's Position in the StackWho Database

• Oopen is 1 of 194,140 information technology & services companies tracked in StackWho.
• 193,618 information technology & services companies in our database have verified decision-maker emails (100% of the cohort).
• 1,580 companies in Utrecht are in the StackWho database.
• 74,148 information technology & services companies are in the 11-50 employee range (same size as Oopen).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does Oopen use?

Oopen uses Sendgrid, Gmail, Google Apps, Google Cloud Hosting, Adobe Media Optimizer, Cedexis Radar, and 44 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Oopen?

StackWho has verified email addresses for 3 decision makers at Oopen. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Oopen directly for sales, recruiting, or partnerships.

What industry is Oopen in?

Oopen operates in the information technology & services industry, headquartered in Utrecht, Utrecht, Netherlands. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Oopen's contact data?

Yes. StackWho Pro members can export decision maker contact data for Oopen and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.