growth-stage-investing
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Sapphire Ventures Built a Venture Firm That Sells More Than Money
The enterprise software investor has turned introductions, operating advice and an unusually broad fund network into a second product alongside capital.
The VC Firm Selling Founders Something Rarer Than Money: A Shortcut to the Right Room
Notable Capital inherited a 25-year investing record, then made a sharper promise: the check is only the opening move. Its real pitch is access - to hires, buyers, operators, and the hard-won pattern recognition that can move a young company faster.
The Venture Studio Betting That the Best Startups Will Be Hybrids
Walsh Karra Holdings is assembling a portfolio where AI meets farms, finance meets infrastructure, and capital comes with operators attached. Its wager is that the next durable companies will be built between sectors, not inside a single lane.
Fuel Venture Capital Built a Miami Bridge to the Private Tech Economy
Fuel Venture Capital planted its flag in Miami before the city became a startup slogan. Now the firm is pairing Wall Street risk discipline with a global search for technology companies - and opening that search to private-wealth investors.
The Venture Fund Betting $15 Million on the Moment Science Becomes a Business
Tau Capital avoids the laboratory lottery and the late-stage crowd. Its target is the difficult middle - proven technology, unfinished business model, and founders who need more than a check to cross the gap.
The Venture Firm That Invests in the Investors
Top Tier Capital Partners built a business one layer above the startup pitch: backing venture funds, buying illiquid stakes, and following the strongest signals into growth companies. Its product is not a single bet but a carefully engineered view of the venture ecosystem.
Jeff Karras
Jeff Karras is a General Partner at America's Frontier Fund and co-founder of Alter Venture Partners, bringing over 20 years of venture capital experience to the intersection of deep tech, national security, and U.S. strategic competitiveness. With more than 40 investments and 23 exits - including 6 IPOs - he has backed companies spanning semiconductors, advanced manufacturing, synthetic biology, and AI. Before pivoting to frontier tech, he helped build SingTel Innov8's North American and Israeli operations and spent nearly a decade at Levensohn Venture Partners. A licensed pilot based in San Francisco, he is among a small cohort of investors who believe the most important technology companies of the next decade will emerge from the overlap of commercial innovation and government-scale problems.