# 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.

- **Role:** General Partner at America's Frontier Fund
- **Organizations:** America's Frontier Fund, Alter Venture Partners, SingTel Innov8 Ventures, Levensohn Venture Partners
- **Nationality:** American
- **Education:** MBA, University of Pennsylvania, Wharton School, B.S. in Commerce, University of Virginia
- **Known for:** Invested in 40+ companies with 23 exits, including 6 IPOs, Co-founded SingTel Innov8 Ventures, building its North American and Israeli operations, Co-founded Alter Venture Partners in 2018

## Career timeline

- **1997-1999** — Principal Consultant, PricewaterhouseCoopers Strategic Change Group - advised clients in telecommunications, software, energy, and financial services
- **1999-2001** — Group Product Marketing Manager, Sun Microsystems - helped establish the Portal Server division, led market strategy, product specs, and partnership ecosystem
- **2001-2010** — General Partner, Levensohn Venture Partners - focused on infrastructure and platform technologies across digital media, enterprise infrastructure, security, and mobile/wireless
- **2010-2018** — Managing Director, SingTel Innov8 Ventures - co-founded the strategic VC arm of Singapore Telecom; ran North American and Israeli investment activities
- **2018-present** — Co-Founding Managing Partner, Alter Venture Partners - VC fund targeting disruptive enterprise companies
- **2022-present** — General Partner & Executive Vice President of Venture Investment, America's Frontier Fund - national security-focused deep tech investor backing dual-use technologies

## Achievements

- Invested in 40+ companies with 23 exits, including 6 IPOs
- Co-founded SingTel Innov8 Ventures, building its North American and Israeli operations
- Co-founded Alter Venture Partners in 2018
- Board observer at Ruckus Wireless, Cardlytics, and Maker Studios (acquired by Disney)
- Led America's Frontier Fund investment in Antheia's Series C to onshore pharmaceutical supply chains
- Investment range of $500K-$10M with a $5M sweet spot at a $500M fund
- Board/observer roles at Jasper Technologies, ShotSpotter, Teridion, Balbix, Bubbly, DataTorrent, Sentilla, Vuclip, Arista (NYSE:ANET), MobileIron (Nasdaq:MOBL)

## Latest updates

- **2026-01** — Led America's Frontier Fund's participation in Antheia's $24M second close of Series C financing, supporting domestic pharmaceutical biosynthesis manufacturing
- **2022-11** — America's Frontier Fund raised $100M, with Karras serving as General Partner leading venture investment activities

## Links

- Website: https://americasfrontier.com
- LinkedIn: http://www.linkedin.com/in/jeffkarras
- Twitter/X: https://twitter.com/AmericaFrontier

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Profile page: https://yespress.io/jeff-karras
Published by YesPress — https://yespress.io
Last updated: 2026-05-18