Charlie Plauche
InvestorManaging Director at S3 Ventures · Board director at Prokeep · Board director at Rarefied Atmosphere, Inc. · Board director at Interplay Learning
Austin, Texas
Writes $100K – $5M checks · typically $1.5M
Find your path to Charlie
188 people in our graph share verified history with Charlie — schools, employers, funds. One of them is your warm intro.
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 Prokeep
Intro paths
In turn, Charlie can intro founders to Prokeep's investors below.
Prokeep's investors · 3
Co-founders at Prokeep
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 Interplay Learning
Intro paths
In turn, Charlie can intro founders to Interplay Learning's investors below.
Interplay Learning's investors · 10
Co-founders at Interplay Learning
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 · 3
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
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Board seats
AlkamiAlkami TechnologyAtmosphereBrainCheckBrainCheckFavor DeliveryGendaHyasInterplay LearningInterplay LearningKimbiaLeanDNALevelsetLiveoak TechnologiesOutboundEngineProkeepProkeepSchematicTango HealthTVA MedicalUpEquityUpkeyZSuite Tech
Sources: SEC Form D filings · the firm's website.
Colleagues at S3 Ventures
Network10
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 Prokeep and Board director at Rarefied Atmosphere, Inc. and Board director at Interplay Learning.
- 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, Alkami Technology, 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 Business375
+ 369 more
Also attended University of Mississippi49
+ 43 more
