Accelerators & VC

Where founders, investors, and mentors connect

A white-label platform for founder engagement, portfolio support, mentorship, deal flow, and ecosystem growth.

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How Joinee creates value

Joinee helps accelerators, venture funds, and founder communities build measurable ecosystem infrastructure that supports portfolio development, founder engagement, investor relations, mentorship, strategic partnerships, and long-term network growth.

The platform brings together founders, investors, mentors, experts, corporate partners, and ecosystem stakeholders into one organization-owned digital community — under the accelerator’s or fund’s own brand and control.

Originally developed for alumni communities, Joinee has grown into a community infrastructure platform used by accelerators, universities, research organizations, professional networks, and business communities across Europe, North America, and the Middle East.

Goal

Build a sustainable founder ecosystem that strengthens engagement, supports portfolio companies, improves deal flow, and creates meaningful connections across the network.

Functionality

A white-label platform where founders, investors, mentors, experts, and partners connect, exchange opportunities, participate in events, and engage with accelerator or fund initiatives — all under the organization’s own brand.

Impact

Founder Engagement: Significantly increase founder-to-founder, founder-to-investor, and founder-to-mentor interactions.
Portfolio Support: Accelerate access to mentors, customers, partners, talent, and funding opportunities.
Ecosystem Growth: Up to 3x growth in networking activity, founder-led initiatives, and community participation.
Deal Flow & Partnerships: Increase opportunities for introductions, strategic partnerships, and investor engagement.

Advantages

The organization transforms its ecosystem into a strategic network that supports founder success, portfolio growth, deal flow, mentorship, and long-term community engagement.

Product metrics

Based on activity across non-confidential communities.

Up to 90% ecosystem member data enrichment through community profiles and integrations.
21% of members use the platform at least once per week.
56% of members use the platform at least once per month.
Average connection relevance score: 4.68 / 5.
Thousands of founder, investor, and mentor introductions facilitated across communities.

Added value

Ecosystem Ownership
Maintain full ownership of ecosystem relationships and community data.

Founder Engagement
Strengthen engagement before, during, and after accelerator programs.

Portfolio Support
Support portfolio companies through introductions, mentorship, and strategic connections.

Ecosystem Visibility
Improve visibility across founders, investors, mentors, and ecosystem partners.

Events & Community Initiatives
Increase participation in events, founder programs, and community initiatives.

Deal Flow & Partnerships
Generate stronger deal flow, partnerships, and long-term ecosystem growth.

Proof / References

Startup Wise Guys Founders Club — Community Platform

‍Product Demo — Demo

Customer stories

Saad El Jouhmi

Brand Management and Communication | Alumni Office

As the Alumni & Career Services team at Constructor University (Top 25% globally in the THE ranking), we’ve seen strong results from using Joinee’s AI-powered Alumni Community Manager.

By automating onboarding, engagement, moderation, and alumni data collection and analysis, we achieved: