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Episode 46

The Money Is Coming. The Allocation Is Broken. Inside Girl Math Capital with Porter Geer.

with Porter Geer, Girl Math CapitalSeptember 24, 2026

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Every week on Plunge Into Prosperity, I sit down with someone building in the space I care most about. This week I sat down with Porter Geer, co-founder of Girl Math Capital, and we spent almost half the episode inside a set of numbers I have been sitting with for weeks. By 2030, women in the United States are projected to control $34 trillion in investable assets — roughly 38 percent of U.S. wealth. That is up from $7.3 trillion just a decade ago. Sit inside the Great Wealth Transfer and that number lives inside more than $100 trillion moving across generations. Women are positioned to inherit the majority. And women-led startups still receive roughly 1.1 percent of U.S. venture capital. In some quarters, that number has gone backward. Porter is watching this play out at the ground level. Girl Math Capital has grown from a group chat of 15 friends to a 650-member alternative investing community writing checks into angel deals, real estate, crypto, and specialty biotech. She calls what she is seeing "the waterfall effect" — a woman takes months to write her first check, and then the floodgates open. We covered why the name Girl Math is polarizing on purpose. We covered why crypto is not an optional asset class for women who want to understand where money is actually going. And we covered the Concarlo SPV, which put one member's grief to work in a way that data will never capture. FOLLOW PORTER LinkedIn https://www.linkedin.com/in/portergeer/ TikTok @girlmathcapital on all platforms https://girlmath.capital

Show Notes

Chapters: → 00:00 Welcome + guest intro → 00:49 Why keep listening → 01:26 Prosperity + Bold Plunge → 02:22 Build the plane while you're flying it → 03:22 Choice unemployment and the career coach → 05:14 Girl Math Capital origin story → 06:27 The 15-friend group chat → 08:31 The name Girl Math — polarizing on purpose → 10:19 What judgment sounds like in this industry → 11:11 Deal flow across 650 members → 13:01 The waterfall effect after a first check → 15:12 Female-led vs female-founded → 15:55 The Concarlo story → 17:32 The women's wealth transfer data → 19:09 Every layer of the capital stack → 20:47 Uniswap, crypto, and why women can't sit out → 22:51 Tokenization and digital securities → 24:34 Daily practice and the universe has your back → 26:43 The Girl Math × Sacral bridge → 27:39 Where to find Porter → 28:00 What to tell the woman who hasn't written her first check → 28:46 Branded close

Porter Geer, Girl Math Capital

About the Guest

Porter Geer is co-founder of Girl Math Capital, an alternative investing community she launched with Serena Ainslie and Emma Pratt to close the gap between what their male peers had easy access to — angel deals, real estate syndicates, crypto — and what women were locked out of. What began as a group chat of 15 friends has grown to 650 members and a cohort model that has driven investment into companies from consumer to women's health to biotech, including the Concarlo SPV in the metastatic breast cancer space. Porter also works on governance and strategic operations at Uniswap Foundation, is an active angel investor with The Council, and co-leads the Texas chapter of SheFi, a community educating ambitious women in crypto and AI. She holds a degree from Vanderbilt University in Human & Organizational Development, French, and Islamic Studies, and is based in Austin, Texas.

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