Ruben Dominguez
Ruben Dominguez is an angel investor, a16z scout, and the writer behind The VC Corner, a Substack newsletter with over 130,000 subscribers covering venture capital, startup fundraising, and growth strategies. He is known for providing founders with investor databases, financial models, and AI-driven go-to-market toolkits, including a free AI Creator Kit and GTM resources built into Notion workspaces. He also publishes a LinkedIn newsletter of the same name focused on actionable insights for startups and entrepreneurship.
- Harbor Raised $10M to Insure AI Agents in Its First Year. Here Are the Deck and the Memo
- For Three Years, Only Companies With Big Budgets Could Work With Me. Today That Changes
- Every AI Startup Is Running One of Two Sales Plays, and Most Picked Without Looking
- We Built a Free Tool That Reads Your Deck the Way an Investor’s Triage Does
- NVIDIA Cut AI Agent Costs in Half Without Touching the Model. Your Margins Live in the Harness
- 150 Fundraising Advisors Who Only Get Paid If You Close
- 144 Family Offices That Cut Pre-Seed Checks
- Why Your Best Early Investors Won't Always Follow You Into the Series A
- 24,541 Pitch Decks Tracked_ Here’s Where Investors Stop Reading
- The Family Office Database_ Contacts, Decision-Makers, Scope, Emails
- How to Eliminate Churn for Good Before It Eats Your Growth
- PE Firms Pay McKinsey $500K for This. Run It on Yourself in 10 Days
“I'm an investor in Harbor, so read this with that in mind. I'm writing about it because of how the round came together, which is the part most founders can copy.”
Source→“I checked the 148 firms whose latest fund closed since 2024 one by one”
“The companies that need attention the most are the ones that can afford it the least.”
Source→“The $20K–$100K SAFE valuations are equity priced at those figures, not free.”
Source→“I'm opening my platform to early-stage startups. I'll take equity instead of cash, put skin in the game.”
Source→“We Built a Free Tool That Reads Your Deck the Way an Investor's Triage Does”
Source→“Every week I see the same pattern: five friendly people said 'looks great, maybe tighten slide 12,' then forty investors said nothing at all.”
Source→“I built it together with Max Pog, and the data comes from his Virtual 1:1 VC Pitch Conference events.”
Source→“I mapped 1,503 US-headquartered early-stage investors for this one...”
“Ruben Dominguez - **Description:** Author and operator behind The VC Corner newsletter - **Why Mentioned:** Author of the article; creator of the European Family Office Database product”
Source→“Ruben Dominguez - Author and operator behind The VC Corner newsletter”
“Ruben Dominguez: Author of The VC Corner newsletter; investor and operator. Creator of the newsletter; has published resources including VC databases, pitch decks, financial models, and AI toolkits for founders.”
Source→“2,000 active US VC firms. Pre-seed to seed. Every sector. All in one database.”
Source→“Ruben Dominguez - Author, The VC Corner newsletter - Wrote and curated all 10 skills; frames the entire founder AI workflow philosophy”
Source→“Author of this piece; previously wrote a related article on startup storytelling referenced within”
Source→“The article's central argument is that *when* money moves matters as much as *how much* moves. The preferred return hurdle compounds with time, meaning delayed exits can silently erode GP economics even when gross performance looks strong.”
Source→“That's why I built a free AI Creator Kit that gives you that infrastructure in one Notion workspace.”
Source→AI-extracted from podcast / newsletter / paper summaries. May contain errors.