About
Early- and late-stage investor focused on AI, cloud/SaaS and enterprise.
Invests in
ConsumerFintechSaaS
Experience
- AccelPartnercurrent2004 — present
- CelonisMember Board of Directorscurrent2016 — presentGreater Munich Metropolitan Area
- MiroMember Board of Directorscurrent2020 — presentGreater London, England, United Kingdom
- PersonioMember Board of Directorscurrent2020 — present
- CHECK24 Vergleichsportal GmbHInvestorcurrent2007 — presentMunich, Germany
- ZepzMember Board of Directorscurrent2013 — presentLondon Area, United Kingdom
- Funding Circle UKMember Board of Directorscurrent2013 — presentLondon Area, United Kingdom
- Super PaymentsMember Board of Directorscurrent2022 — presentGreater London, England, United Kingdom
- Gravity SketchMember Board of Directorscurrent2022 — presentGreater London, England, United Kingdom
- TaxdooMember Board of Directorscurrent2020 — presentGreater London, England, United Kingdom
- CallsignMember Board of Directorscurrent2017 — presentLondon Area, United Kingdom
- GameforgeMember Board of Directorscurrent2007 — presentKarlsruhe, Baden-Württemberg, Germany
- InstanaMember Board of Directors2017 — 2020Solingen, Germany
- Showroomprive.comMember Board of Directors2010 — 2017Paris, France
- KAYAKMember Board of Directors2006 — 2013Norwalk, CT, USA
- Goldman SachsInvestment Banker1999 — 2002
Education
- Harvard Business SchoolMBA
- Delft University of TechnologyPhD and MS, Electrical Engineering
Deals · 2
Personio Group SEBoard seat
via Accel · filed Jun 2025 · $25.9M raise
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at Accel
Network1
Investors connected to Harry in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Harry Nelis?
- Early- and late-stage investor focused on AI, cloud/SaaS and enterprise.
- Where does Harry Nelis work?
- Harry Nelis is Partner at Accel.
- What does Harry Nelis invest in?
- Harry Nelis invests in Consumer, Fintech, SaaS.
- What check size does Harry Nelis write?
- Harry Nelis typically writes checks of $15M – $70M.
- What boards does Harry Nelis sit on?
- Harry Nelis holds tracked board seats at Personio Group SE, RCW.
- Where did Harry Nelis go to school?
- Harry Nelis studied at Harvard Business School (MBA); Delft University of Technology (PhD and MS, Electrical Engineering).
Same school
Also attended Harvard Business School1,977
Brad GerstnerFounder & CEO of Altimeter CapitalAileen LeeFounder & Managing Partner of Cowboy VenturesJim BreyerFounder & CEO of Breyer CapitalTim DraperFounder of Draper AssociatesMike Maples JrCo-founding Partner at FloodgateMamoon HamidPartner at Kleiner Perkins
+ 1,971 more
Also attended Delft University of Technology138
Michiel KottingPartner at NorthzoneGiuseppe LacerenzaPartner at Keen Venture PartnersAlexander WortmannPartner at TCVThijs SchaapInvestment manager at NoaberHugo SilvaPartner at Pi LabsRobInvestor at henQ vc
+ 132 more
Shared employers
Also worked at Miro18
Luciana LixandruPartner at Sequoia CapitalJulien BekInvestor at Sequoia CapitalJessica (Bartos) ThomasPartner at Notion CapitalMuz AshrafGeneral Partner at TCVChrisInvestor at Perceptive Ventures Management Company, LlcMarin LicinaEntrepreneur in Residence at Peak
+ 12 more
Also worked at Personio18
Dominic JacquessonInvestor at Index VenturesMichiel KottingPartner at NorthzoneIsaiah Baril-DoreInvestor at Index VenturesRytisInvestor at Dig Ventures Management LimitedAnselm BauerCo-Founder at Alasco at PICUS CAPITALRobin GodenrathFounding Partner & Managing Director at PICUS CAPITAL
+ 12 more
