Charlie Plauche
InvestorManaging Director at S3 Ventures · Board director at Rarefied Atmosphere, Inc. · Board director at ALKAMI TECHNOLOGY, INC. · Board director at Tango Health
Austin, Texas
Writes $100K – $5M checks · 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.
Contact· self-published, not guessed
Invests in
Enterprise SoftwareFintechHealthtechMedical DevicesSaaS
Board director at Rarefied Atmosphere, Inc.
Intro paths
In turn, Charlie can intro founders to Rarefied Atmosphere, Inc.'s investors below.
Rarefied Atmosphere, Inc.'s investors · 2
Co-founders at Rarefied Atmosphere, Inc.
Board director at ALKAMI TECHNOLOGY, INC.
Intro paths
In turn, Charlie can intro founders to ALKAMI TECHNOLOGY, INC.'s investors below.
ALKAMI TECHNOLOGY, INC.'s investors · 1
Co-founders at ALKAMI TECHNOLOGY, INC.
Board director at Tango Health
Intro paths
In turn, Charlie can intro founders to Tango Health's investors below.
Tango Health's investors · 1
Experience
- S3 VenturesGeneral Partnercurrent2010 — present
- Alkami TechnologyMember, Board of Directors / Shareholdercurrent2011 — present
- BrainCheckMember, Board of Directorscurrent2018 — present
- Interplay LearningMember, Board of Directorscurrent2019 — present
- AtmosphereMember, Board of Directorscurrent2019 — present
- LeanDNAMember, Board of Directorscurrent2019 — present
- UpEquityMember, Board of Directorscurrent2021 — present
- ProkeepMember, Board of Directorscurrent2022 — present
- ZSuite TechnologiesMember, Board of Directorscurrent2022 — present
- AvtalMember, Board of Directorscurrent2025 — present
- NestimateMember, Board of Directorscurrent2025 — present
- SchematicMember, Board of Directorscurrent2026 — present
- EarlytradeMember, Board of Directorscurrent2026 — present
- HYASMember, Board of Directors2021 — 2025
- GendaMember, Board of Directors2021 — 2025
- LevelsetMember, Board of Directors2017 — 2021
- OutboundEngineMember, Board of Directors2018 — 2021
- Liveoak Technologies, Inc.Member, Board of Directors2017 — 2020
- Tango Health, Inc.Member, Board of Directors2015 — 2020
- TVA Medical, Inc.Observer, Board of Directors2013 — 2018
- FavorMember, Board of Directors2015 — 2018
- KimbiaMember, Board of Directors2011 — 2018
- StoredIQObserver, Board of Directors2011 — 2013
- Harbert Management CorporationAssociate - Private Equity Group2006 — 2009
- Regions BankCommercial Portfolio Manager - Corporate Banking2003 — 2006
Deals · 4
Earlytrade US Holdings Corp.Board seat
via S3 Ventures · filed Jun 2026 · $17.6M raise
Engaged Citizen Inc.Board seat
via S3 Ventures · filed Jan 2026 · $8.8M raise
Rarefied Atmosphere, Inc.Board seat
via S3 Ventures · filed Feb 2023 · $105M raise
ALKAMI TECHNOLOGY, INC.Board seat
via S3 Ventures · filed Oct 2020 · $140M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Board seats
Alkami TechnologyAtmosphereBrainCheckBrainCheckFavor DeliveryGendaHyasInterplay LearningInterplay LearningKimbiaLeanDNALevelsetLiveoak TechnologiesOutboundEngineProkeepProkeepSchematicTango HealthTVA MedicalUpEquityUpkeyZSuite Tech
Sources: the firm's website · SEC Form D filings.
Colleagues at S3 Ventures
Network12
Investors connected to Charlie in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Charlie Plauche?
- 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.
- Where does Charlie Plauche work?
- Charlie Plauche is Managing Director at S3 Ventures and Board director at Rarefied Atmosphere, Inc. and Board director at ALKAMI TECHNOLOGY, INC. and Board director at Tango Health.
- What does Charlie Plauche invest in?
- Charlie Plauche invests in Enterprise Software, Fintech, Healthtech, Medical Devices, SaaS.
- What check size does Charlie Plauche write?
- Charlie Plauche typically writes checks of $100K – $5M.
- What boards does Charlie Plauche sit on?
- Charlie Plauche holds tracked board seats at Alkami Technology, ALKAMI TECHNOLOGY, INC., Atmosphere, BrainCheck, BrainCheck, Earlytrade US Holdings Corp., Engaged Citizen Inc., Favor Delivery, Genda, Hyas.
- Where did Charlie Plauche go to school?
- Charlie Plauche studied at Texas McCombs School of Business (MBA); University of Mississippi (BS, Finance).
Same school
Also attended Texas McCombs School of Business166
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+ 160 more
Also attended University of Mississippi22
+ 16 more
