Charlie Plauche is a General Partner at S3 Ventures, an Austin-based early-stage venture capital firm. See portfolio, sector focus and contact routes.
Charlie Plauche is a General Partner at S3 Ventures, an Austin-based early-stage venture capital firm, where he has served since January 2010. His investment thesis focuses primarily on B2B software companies, with additional activity in consumer and med-tech sectors, and maintains a strong geographic emphasis on Texas-based startups while also investing beyond the region. Plauche typically invests in seed, Series A, and Series B stages, with a reported investment range of $100,000 to $5.0 million and a sweet spot around $1.5 million. Notable portfolio companies where he serves on the board include BrainCheck, Atmosphere, Alkami Technology (which went public), and LeanDNA. He has also worked closely with early investments such as Favor Delivery, which was acquired by H-E-B, and Interplay Learning. While no distinctive public writing is cited in the available sources, Plauche emphasizes S3’s role as a key venture firm in Austin’s growing tech ecosystem.
This profile is part of the StartupFundraising investor database: focus, portfolio history, disclosed location and contact routes, refreshed as new filings and rounds are ingested. Founders use it to check fit before reaching out and to find investors in Austin.
Investors like Charlie Plauche · Full investor directory · Investor access · Company funding database