Siobhan Clarke
InvestorAdvisory Board Member & Investment Committee Member at Techstart Ventures
London
Writes $250K – $2M checks · typically $1M
Find your path to Siobhan
285 people in our graph share verified history with Siobhan — schools, employers, funds. One of them is your warm intro.
Anthony PhilippakisunlockedSiobhan: together at University of Cambridge (2000)
×2Siobhan: together at University of Cambridge
×9Siobhan: together at Episode1
About
Siobhan Clarke is Chair at Supercritical and brings 25 years of experience across corporate and venture environments, including roles at Cisco, bp, and as a Partner at Episode 1 Ventures. She has chaired and governed deep-tech, energy, and science commercialisation businesses across the UK, US, and Europe, with experience managing M&A transactions ranging from £10M to over $1B and leading companies through growth, scale, and exit phases. Clarke is also a lecturer at the University of Manchester and London Business School, and authored The Founder Handbook.
Experience
- SupercriticalChaircurrent2025 — present
- STFCNon Executive Directorcurrent2023 — present
- QUBIS LtdNon Executive Director & Investment Committee Membercurrent2025 — present
- Techstart Ventures LLPAdvisory Board Member & Investment Committee Membercurrent2020 — presentBelfast
- StreambaChair2024 — 2026
- PA ConsultingExecutive Advisor2024 — 2025
- bpVP bp | Operating Partner - bp Launchpad2019 — 2024London Area, United Kingdom
- STRYDENon Executive Chair2020 — 2023
- LYTTNon Executive Chair2022 — 2023
- Finite CarbonNon Executive Director2020 — 2023
- Episode 1 VenturesPartner2017 — 2019London, United Kingdom
- North American Foundation for The University of Manchester (NAFUM)Non Executive Director2015 — 2018San Francisco Bay Area
- Cisco SystemsEvolving senior roles across Consulting Sales, Operations and Strategy2008 — 2016London, Singapore and San Francisco
- Graduate Business ForumPresident & CEO2007 — 2011
- Manchester Business SchoolMBA2006 — 2008
- Strategem (now part of Enterprise plc)Head of Innovation & Enterprise2002 — 2006
- Burns e-Commerce SolutionsProduct Marketing2001 — 2002
Skills & more
Enterprise Software11Philanthropy3Startups2Stakeholder Management2New Venture DevelopmentFinancial Planning1Board of Directors1Executive Coaching1Non-Executive Director1Board Level1Management Consulting69Strategy Development13
+12 more
Business StrategyBusiness TransformationConsultancyInternational BusinessMentoringCloud ComputingBusiness PlanningTelecommunicationsAnalysisStart-upsBusiness DevelopmentIntegrationLanguages Spanish
From Siobhan's professional profile.
Colleagues at Techstart Ventures
Network1
Investors connected to Siobhan in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Siobhan Clarke?
- Siobhan Clarke is Chair at Supercritical and brings 25 years of experience across corporate and venture environments, including roles at Cisco, bp, and as a Partner at Episode 1 Ventures. She has chaired and governed deep-tech, energy, and science commercialisation businesses across the UK, US, and Europe, with experience managing M&A transactions ranging from £10M to over $1B and leading companies through growth, scale, and exit phases. Clarke is also a lecturer at the University of Manchester and London Business School, and authored The Founder Handbook.
- Where does Siobhan Clarke work?
- Siobhan Clarke is Advisory Board Member & Investment Committee Member at Techstart Ventures.
- What check size does Siobhan Clarke write?
- Siobhan Clarke typically writes checks of $250K – $2M.
- Where did Siobhan Clarke go to school?
- Siobhan Clarke studied at Alliance Manchester Business School (MBA); University of Cambridge (Post Graduate Diploma, Manufacturing); The University of Manchester (MEng, Electrical & Electronic Engineering with French).
Same school
Also attended Alliance Manchester Business School63
EgilInvestor at InvestinorCarole GinmanHead of Marketing at OxxPatrick NorrisGeneral Partner at Notion CapitalTony ThomasVenture Partner at Lux CapitalAkitoshi YamadaPartner at Pantheon VenturesDuncan EasterbrookPartner, Chief Financial Officer at RTP Global
+ 57 more
Also attended University of Cambridge1,413
Stewart ButterfieldCo-founder of Slack and FlickrDemis HassabisCo-founder & CEO of Google DeepMindNiko BonatsosFounder and Managing Partner of VerdictGeorgia StevensonInvestor at Index VenturesHannah SealInvestor at Index VenturesLeah von SiemensPartner at Manta Ray Ventures
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+ 1,407 more
Also attended The University of Manchester282
Joel NoyceInvestor at Moonfire VenturesJames BraithwaiteFinancial Controller at NorthzoneFreya Svedberg-KeatingInvestor at MedicxiAndy LeaverOperating Partner at Notion CapitalSimon SegarsExecutive Advisor at Black Opal VenturesHonor de WintonExecutive Assistant at Giant Ventures Global Llp
+ 276 more
Shared employers
Also worked at QUBIS Ltd8
David MooreHead of Spinouts and Investments at QUBISMarina DonohoeCEO at QUBISAndrew NortonChief Operating Officer (Interim) at QUBISArtin MoussaviChief Investment Officer at QUBISRob BlenkinsoppSpinout Manager at QUBISJulie GormleySpinout Manager (Life Sciences) at QUBIS
+ 2 more
Also worked at bp83
Brittany de KouchkovskyDirector, University Relations at Osage University PartnersLord BrowneFormer BP CEO at Giant Ventures Global LlpKaty YoungChief Financial Officer at Prelude VenturesRama KannanGeneral Partner Advisor at Beyond Capital VenturesDan McMurtrieGeneral Partner at Anchorless BangladeshRJ BalmaterInvestor at Saison Capital
+ 77 more
