LeanStack Ventures
LeanStack Ventures is a Pre-Seed, Seed venture capital firm based in Chicago, IL investing in SaaS, Other. The firm typically writes $250K–$2.5M checks and has 1 portfolio company in our records.
- Check size
- $250K–$2.5M
- Portfolio
- 1 company on record
- Partners
- 1 listed
- Stage
- Pre-Seed, Seed
- Sectors
- SaaS, Other
- HQ
- Chicago, IL
- AUM
- Not in our records
Last verified: 2026-07-04
Pre-Seed, Seed
$250K – $2.5M
1+ companies
1 partner
Investment Thesis
Focused on startups providing cost-efficient solutions for lean operations in B2B spaces, including AI-driven marketing and sales tools.
How LeanStack Ventures invests
LeanStack Ventures is a vc firm based in Chicago, IL. The firm invests at the Pre-Seed, Seed stages, with a focus on SaaS, Other. It does not invest in Hardware.
LeanStack Ventures typically writes checks of $250K–$2.5M per investment.
LeanStack Ventures has backed 1 company in our records, including GTMFlow.
Partners & Team
Tina Wu
Founding Partner
Industry Focus
Invests In
Does Not Invest In
Portfolio Companies (1)
Other
GTMFlow
- •Raising at Pre-Seed, Seed? You're squarely in their sweet spot.
- •Lead with your fit in SaaS, Other — the sectors they actively back.
- •Size your ask to their typical $250K – $2.5M check.
- •cold outreach ok
- •Address your outreach to a specific partner, such as Tina Wu, Founding Partner.
- •A warm introduction beats a cold email. Get matched and request an intro.
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