What technologies does PrepLounge use?

PrepLounge uses Sendgrid, Gmail, Google Apps, Mobile Friendly, Apache. View their full technology stack — including all 8 detected tools — on StackWho.

Who is the CTO of PrepLounge?

David Behler is the CTO at PrepLounge. Get verified contact information on StackWho.

Who is the Co-CEO of PrepLounge?

Valentine Alexi is the Co-CEO at PrepLounge. Get verified contact information on StackWho.

Where is PrepLounge located?

PrepLounge is based in Cologne, North Rhine-Westphalia, Germany.

PrepLounge

Q: What industry is PrepLounge in?

PrepLounge operates in the e-learning industry.

preplounge.com

e-learning

preplounge.com

Cologne, North Rhine-Westphalia, Germany

11-50 employees

LinkedIn Profile

About PrepLounge

management consulting, case interview, practice case studies, solve cases, case interview preparation, consulting interview, interview mckinsey, community, management, business, career, education, advertising, human resources, communities, consumer internet, social media, internet, information technology, e-learning providers

PrepLounge's Tech Stack

AI/ML

Decision Makers at PrepLounge

3 contacts

David Behler

CTO

d***@preplounge.com Sign up to view

Valentine Alexi

Co-CEO

v***@preplounge.com Sign up to view

Benjamin Porth

Head of Business Development & Sales

b***@preplounge.com Sign up to view

Unlock full contact details including verified emails and LinkedIn profiles

Upgrade to Pro

8 technologies detected · 3 decision makers · Emails available

Sales Outreach Angle

PrepLounge uses Sendgrid, Gmail, Google Apps among other technologies. Use StackWho to identify the right decision-maker email for targeted sales outreach, recruiting, or partnership development.

PrepLounge's Position in the StackWho Database

• PrepLounge is 1 of 3,879 e-learning companies tracked in StackWho.
• 3,873 e-learning companies in our database have verified decision-maker emails (100% of the cohort).
• 3,954 companies in North Rhine-Westphalia are in the StackWho database.
• 1,286 e-learning companies are in the 11-50 employee range (same size as PrepLounge).

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 PrepLounge use?

PrepLounge uses Sendgrid, Gmail, Google Apps, Mobile Friendly, Apache, Reviews, and 2 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at PrepLounge?

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

What industry is PrepLounge in?

PrepLounge operates in the e-learning industry, headquartered in Cologne, North Rhine-Westphalia, Germany. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export PrepLounge's contact data?

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