Fundraising Fox

Ray Grieselhuber

Founder

Founder/CEO at DemandSphere

Columbus, Ohio, United States

FoundedDemandSphere · YC

About

Ray Grieselhuber is founder and CEO of DemandSphere, a platform providing analytics and automation tools for ecommerce and programmatic SEO teams.

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Ray Grieselhuber @raygrieselhuber

Disappointed with @Delta these days. Was my first choice for a long time but will need to look elsewhere.

Jul 18, 2026 · ♥ 2

Founder/CEO at DemandSphereYC S10

Intro paths

YC

Ray went through Y Combinator (Summer 2010) — any YC alum in your network can reach them through the YC community.

→

In turn, Ray can intro founders to DemandSphere's investors below.

DemandSphere's investors · 2

Streamlined VenturesY Combinator

Experience

  1. DemandSphereChief Executive Officercurrent2010 — presentColumbus, Ohio Metropolitan Area
  2. FOUND ConfCo-Foundercurrent2025 — presentTokyo, Japan
  3. DemandMarkets株式会社代表取締役会長 (CEO)current2009 — presentTokyo, Japan
  4. FunctionizeCo-Founder & COO2015 — 2017San Francisco, California, United States
  5. iProspectChief Technical Architect2006 — 2008San Diego, California, United States
  6. Planet EarthBackpacker2005
  7. EMCSolution Consultant2003 — 2005San Diego, California, United States

Education

  1. Y CombinatorAccelerator, Startup Accelerator2010
  2. Franklin UniversityBachelor of Science - BS, Computer Science
  3. The Ohio State UniversityBachelor of Arts - BA, Japanese Language and Literature1994 — 1999
  4. University of ToyamaStudy abroad, Japanese Studies1997 — 1998

Skills & more

Google Cloud Platform (GCP)16Python (Programming Language)2Software as a Service (SaaS)Strategy1Deep Learning1AEOEarly Stage Investment14Management Professional9Corporate Management6Prompt Engineering22Data Warehousing9Content Strategy4
+12 moreContent MarketingArtificial Intelligence (AI)Data ScienceMachine LearningSystems EngineeringData EngineeringSalesDigital StrategyProduct ManagementTechnical LeadershipBig DataSearch Engine Optimization (SEO)

Languages Japanese

From Ray's professional profile.

Founder mafias

Y Combinator mafia8,668

Also came through, then founded or led a company.

Sam AltmanPresidentFounded LooptFred EhrsamYC Summer 2012Founded CoinbaseMatt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded PursuitDelian AsparouhovYC Summer 2014Founded Nightingale +1Justin KanYC Winter 2018Founded Rye +3

+ 8,661 more

The Ohio State University mafia24

Also came through, then founded or led a company.

John Rice, Ph.D.BSFounded Akebia +1Kevin UnkrichBachelor’s DegreeFounded Superpower +1Jason KaliraBSBAFounded ParsableJustin ZeefeB.A. (Honors College of Arts & Sciences)Founded NisosSean MinterBachelor of Science (BS)Founded AmplifAIDavid AdelmanBAFounded Darco Spirits

+ 17 more

Functionize mafia2

Also came through, then founded or led a company.

Gary LittleBoard MemberFounded Foursquare

Same school

Also attended Y Combinator2,000

Leo LuInvestor at Foundation CapitalMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports VenturesVictor SantosVictor Scout at One Way VenturesSwapnil JainCEO, Observe.AI at EMERGENT VENTURESChase AdamPartner at Very Serious Ventures

+ 1,994 more

Also attended Franklin University2

Geyssel GonzalezChief Financial and Technology Officer at Maryland TEDCOGraham PeckVenture Partner at Cultivation Capital

Also attended The Ohio State University108

Keatten SmithCapital Formation Coordinator at March Capital PartnersJohn Rice, Ph.D.Partner Emeritus at CincyTechSara Risch, PhDAdvisor at CincyTechWill McKelveyPrincipal at Lerer HippeauLaura SebastianiVP of Finance at Scale Venture PartnersSuresh BalasubramanianInvestor at Storm Ventures

+ 102 more

Shared employers

Also worked at Functionize5

Gary LittleOperating Partner at Canvas VenturesNeil AhlstenManaging Partner at 1Flourish CapitalTom TognoliPartner at 1Flourish CapitalDavid LaneFounding Partner at 1Flourish CapitalMark WattGeneral Partner at Kilonova Capital

Also worked at iProspect5

Fabio ZecchiniOperating Advisor at P101 VenturesMichael HorejsiController at Burda Principal InvestmentsTR HarringtonPartner & Director of Growth at Orbit StartupsMagne UppmanFounding Partner at SNÖ VenturesPiotr WawrysiukVenture Partner at Kogito Ventures

Also worked at EMC6

Whitney BouckBoard Partner & Go-to-Market Advisor at Uncork CapitalSharon Barzik CohenPartner & Chief Financial Officer at Qumra CapitalChris HillockVP, Portfolio Development at Dell Technologies CapitalChris FalloonPortfolio Development at Dell Technologies CapitalReeny SondhiChief Digital Officer, Twilio at Venture Guides Management, L.P.Whit BouckManaging Director at Insight Partners