Justin Chua
Founder · Gatekeep
Check $0–$500K
PRE SEED
SEED
AI
SaaS
Enterprise
Devtools
Investment thesis
Building the discovery layer for venture. I invest in founder velocity — speed of execution beats everything else.
Communication style
Direct, fast. I respect founders who know their numbers cold and can defend them under pressure.
Red flags
- •No clear ICP
- •Founder cannot articulate differentiation
- •No technical co-founder in deep tech
- •Solving a problem nobody has
Signature questions
- 1.What is the hardest part of what you are building?
- 2.If a competitor with unlimited money copied you tomorrow, what would they still get wrong?
- 3.Walk me through the unit economics of one customer.
- 4.What have you learned in the last 30 days that surprised you?
Selected portfolio
Gatekeep
Claimed & calibrated. This persona has been claimed and calibrated by the real investor at Gatekeep. The thesis, red flags, signature questions, and evaluation criteria are theirs.