Charlie Plauche
InvestorManaging Director at S3 Ventures
Austin, Texas
Writes $100K β $5M checks Β· typically $1.5M
About
Charlie Plauche combines investment banking, private equity, and early-stage VC experience to advise Austin founders on fundraising and metrics, leveraging deep local roots and a reputation for fair deal terms.
Invests in
Enterprise SoftwareFintechHealthtechMedical DevicesSaaS
Experience
- S3 VenturesGeneral Partnercurrent2010 β present
- Alkami TechnologyMember, Board of Directors / Shareholdercurrent2011 β present
- BrainCheckMember, Board of Directorscurrent2018 β present
- Interplay LearningMember, Board of Directorscurrent2019 β present
- AtmosphereMember, Board of Directorscurrent2019 β present
- LeanDNAMember, Board of Directorscurrent2019 β present
- UpEquityMember, Board of Directorscurrent2021 β present
- ProkeepMember, Board of Directorscurrent2022 β present
- ZSuite TechnologiesMember, Board of Directorscurrent2022 β present
- AvtalMember, Board of Directorscurrent2025 β present
- NestimateMember, Board of Directorscurrent2025 β present
- SchematicMember, Board of Directorscurrent2026 β present
- EarlytradeMember, Board of Directorscurrent2026 β present
- HYASMember, Board of Directors2021 β 2025
- GendaMember, Board of Directors2021 β 2025
- LevelsetMember, Board of Directors2017 β 2021
- OutboundEngineMember, Board of Directors2018 β 2021
- Liveoak Technologies, Inc.Member, Board of Directors2017 β 2020
- Tango Health, Inc.Member, Board of Directors2015 β 2020
- TVA Medical, Inc.Observer, Board of Directors2013 β 2018
Education
- Texas McCombs School of BusinessMBA2009 β 2011
- University of MississippiBS, Finance1998 β 2002
Same school
Also attended Texas McCombs School of Business138
+ 132 more
Also attended University of Mississippi15
+ 9 more
Shared employers
Also worked at Interplay Learning5
Also worked at UpEquity3
Also worked at Prokeep2
Also worked at Avtal1
Deals Β· 6
Earlytrade US Holdings Corp.Board seat
via S3 Ventures Β· filed Jun 2026 Β· $17.6M raise
Schematic, Inc.Board seat
via S3 Ventures Β· filed Mar 2026 Β· $7.9M raise
Engaged Citizen Inc.Board seat
via S3 Ventures Β· filed Jan 2026 Β· $8.8M raise
ProKeep, Inc.Board seat
via S3 Ventures Β· filed Nov 2024 Β· $25.5M raise
Rarefied Atmosphere, Inc.Board seat
via S3 Ventures Β· filed Feb 2023 Β· $105M raise
ALKAMI TECHNOLOGY, INC.Board seat
via S3 Ventures Β· filed Oct 2020 Β· $140M raise
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at S3 Ventures
Network12
Investors connected to Charlie in public investor directories β a warm-intro map.





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