Mike Reiner

General Partner, Acrobator Ventures
Mike Reiner grew Startup Wise Guys to 275+ companies, co‑founded City.AI (80+ cities) for ground‑level AI founder access, and applies accelerator‑scale, data‑centric seed investing with >15x markups and >50x exits.
How to contact Mike Reiner
Stages their fund invests in
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Sectors their fund invests in
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Avg Check
$100K - $5M
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Does their fund Lead?
No
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Geos their fund invests in
Europe
Mike Reiner
Stages their fund invests in
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Sectors their fund invests in
AI
Cybersecurity
Fintech
SaaS
Data
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Avg Check
$100K - $5M
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Leads?
No
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About Mike Reiner

Mike Reiner co-founded and personally managed Startup Wise Guys into one of Europe's leading B2B accelerators with 275+ portfolio companies before moving into institutional VC, and also co-founded City.AI, a global applied-AI community active in 80+ cities, giving him deep ground-level access to AI founders rather than just boardroom exposure. At Acrobator Ventures, he focuses on seed-stage B2B platforms with defensible data and applies his unusual combination of accelerator-scale volume experience with data-centric investment thinking, having achieved investments marked up over 15x with multiple exits above 50x across his roles since 2012.

Mike Reiner's Interests

What they've been talking about across their social media accounts
  • Focuses heavily on deep tech and frontier science, showing a clear preference for tangible innovations like quantum computing advancements, ferroelectric polymers in robotics, and solutions for synthetic media and deep fakes.
  • Maintains a strong investment thesis centered on Eastern and Northern European markets, highlighted by his explicit request for Series A opportunities from Poland and his celebration of Finnish and Estonian success stories.
  • Demonstrates deep engagement with the artificial intelligence community through event organization and thought leadership, frequently hosting round tables on complex topics like synthetic media, deep fakes, and AI-based decision making.
  • Analyzes the specific mechanics of SaaS business models and fundraising data, sharing technical advice on why standard revenue metrics can be misleading and outlining the exact proof points startups need to hit for Series A rounds.
  • Shows enthusiasm for the longevity and health-span sector, evidenced by his investment in Novos Labs and personal excitement about products designed to slow down biological aging.

About their Fund

Acrobator Ventures

Sectors
AI, Cybersecurity, Fintech, SaaS, Data
Rounds
Seed
Avg Check Size
$100K - $5M

Acrobator Ventures invests in big impact tech founders at the pre-seed to seed stage. We operate from Amsterdam and Kyiv/Tbilisi and are extra interested in Eastern founders building bridges to Western markets like the US. Acrobator Ventures focuses on the network-, data-, and market(ing) access of founders. Our two core competencies are artificial intelligence and growth marketing.

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Popular Investors

investor name
Active in
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Deeptech / Hardware
Robotics
Biotech
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12
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$400K - $2M
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7
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Pre-Seed - Series A
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$100K - $5M
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7
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$100K - $5M
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2
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$250K - $2M
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Biotech
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4
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Seed - Series B+
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$1M - $3M
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4
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Pre-Seed - Seed
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$400K - $1.5M
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Deeptech / Hardware
Robotics
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7
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Pre-Seed - Seed
Unknown
$400K - $2M
Unknown
Deeptech / Hardware
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2
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Unknown
Pre-Seed - Seed
Unknown
~$750K
Unknown
Fintech
Deeptech / Hardware
Devtools
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2
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Unknown
Pre-Seed - Series A
Unknown
$250K-$1M
Unknown
AI
Biotech
Robotics
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2
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Unknown
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$100K - $500K
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