Fundraising Fox

Check Warner

Investor

Partner at Ada Ventures

London

Writes $250K – $1M checks · typically $500K

About

Co-founded Ada Ventures with Matt in 2018 and has been a pre-seed investor for over a decade. Previously a principal at Downing Ventures and a venture advisor at Seraphim Capital, she began her career in advertising and marketing and co-founded the non-profit Diversity VC.

LinkedIn ↗X / Twitter ↗
Latest on 𝕏

Check Warner @checkwarner

I've never seen a company execute on a vision this quickly and this well. If you haven't tried Jack - now is the time. And they have just landed in the US. Kudos Matt, Saaras and the team. https://t.co/TqESsCqmBY https://t.co/LhdDbWsviM

Jan 12, 2026 · ♥ 2

Check Warner @checkwarner

Started the week VERY early on BBC News this morning… 💥 I joined the BBC’s Business Today programme to discuss London’s listings slowdown. From ElevenLabs to Synthesia and Wayve, there’s no shortage of innovation. The challenge now is making sure the UK isn’t just a great https://t.co/V7UykPZppC

Oct 10, 2025 · ♥ 5

Check Warner @checkwarner

*Bio-infrastructure* - a new term and market landscape we are launching today at Ada Ventures with Alasdair Thong our Venture Partner for Health, to capture the opportunity in investing in the enabling stack - the picks and shovels of the 100-year life. By the middle of the https://t.co/ijq5dsw3Db

Jul 24, 2025 · ♥ 7

Experience

  1. Ada VenturesPartnercurrent2018 — presentLondon, United Kingdom
  2. Diversity VCCo-Foundercurrent2016 — presentLondon, United Kingdom
  3. ForbesForbes Contributorcurrent2019 — present
  4. Seraphim CapitalVenture Advisor2018London, United Kingdom
  5. Downing Ventures, at Downing LLPPrincipal2015 — 2017London, United Kingdom
  6. AMV BBDOAccount Executive & Account Manager2012 — 2015London, United Kingdom

Education

  1. University of CambridgeBachelor of Arts (B.A.), English Literature (British and Commonwealth)2009 — 2012

Skills & more

Creative Strategy6Strategy19Analysis2Digital Marketing13Social Media11Marketing Communications8Integrated Marketing3Account Management3Project FinanceClient Services4Advertising4Digital Strategy3
+2 moreMarketing StrategyBusiness Strategy

Languages English · French · German

From Check's professional profile.

Same school

Also attended University of Cambridge652

Niko BonatsosInvestment Team at General CatalystGeorgia StevensonInvestor at Index VenturesHannah SealInvestor at Index VenturesAnthony PhilippakisInvestor at GV (Google Ventures)Erik NordlanderInvestor at GV (Google Ventures)Nic LowdenInvestor at Moonfire Ventures

+ 646 more

Shared employers

Also worked at Diversity VC5

Suranga ChandratillakePartner at Balderton CapitalPaula GarcíaREGIONAL PROGRAM MANAGER AT SEEDSTARS at SeedstarsElissa GreyInvestor at Alma AngelsSarah MillarPrincipal at City Light CapitalAlied TtitoInvestor at Vox Capital

Also worked at Forbes102

Morgan CheathamPartner and Head of Healthcare and Life Sciences at Breyer CapitalOm MalikSan Francisco-based writer, photographer, and investorJosh WolfePartner and Co-Founder at Lux CapitalDeena ShakirPartner at Lux CapitalChris KraeuterHead of Communications at ParadigmAvantika DaingFounding Partner at Plum Alley Investments

+ 96 more

Also worked at Downing Ventures, at Downing LLP12

Josh CliftHead of Fund Finance at RTP GlobalMark GrossPartner, Head of Private Equity at Downing Private EquityMatt PenneycardPartner at Ada VenturesRobert JonesSenior Business Development Manager at Symvan CapitalTom WilliamsPartner and Head of Energy & Infrastructure at Downing Private EquityParik ChandraPartner and Head of Private Credit at Downing Private Equity

+ 6 more

Also worked at AMV BBDO2

Georgia RitterHead of Marketing at Giant Ventures Global LlpGlenn BartlettHead of Strategy, Alberts Impact Ventures at Alberts Impact Ventures

Colleagues at Ada Ventures

Alasdair Thong
Founding Partner at Selvedge Venture
Ben Norton
Venture Partner, Talent at Ada Ventures
Charles Hudson
Managing Partner at Precursor Ventures
Diarra Smith
Head of Portfolio & Brand at Ada Ventures
Ed Zimmerman
Steering Group at Ada Ventures
Emma Richards
Head of Finance at Ada Ventures
Marta Sjögren
Steering Group at Ada Ventures
Matt Penneycard
Partner at Ada Ventures

Network4

Alasdair Thong
Founding Partner at Selvedge Venture
Ed Zimmerman
Steering Group at Ada Ventures
Matt Penneycard
Partner at Ada Ventures
Rob Kniaz
Investor at Hoxton Ventures

Investors connected to Check in public investor directories — a warm-intro map.