David Mandell
InvestorManaging Director at Massive
Boulder, Colorado, United States
Writes $500K – $2M checks
About
David Mandell, a multi‑time founder of PivotDesk and OneRiot turned investor, coaches CEOs—using empathy for fundraising and board challenges—to shape company culture through daily actions and communication.
Invests in
Climate TechDeep TechHardwareMobility & TransportationSaaSSpace Tech
Experience
- MassiveCo-Founder, General Partnercurrent2020 — presentBoulder, Colorado, United States
- VentureVoodoo Partners, IncManaging Directorcurrent2001 — presentBoulder, CO
- TechstarsMentorcurrent2007 — present
- TechstarsEntrepreneur in Residence2017 — 2018Boulder, CO
- The FundPartner2020 — 2024Boulder, Colorado, United States
- Blue Sky BridgeBoard Member2019 — 2024
- Founder FightsCo-Founder2016 — 2022Boulder, CO
- UpsuiteBoard Member2019 — 2021Denver, Colorado
- PivotDeskCo-Founder, CEO2012 — 2017Boulder, CO
- IgnighterCEO2009 — 2010
- OneRiotFounder, VP Marketing2006 — 2008Boulder, CO
- Deloitte ConsultingManaging Director, Global Communications1997 — 1999
- Cohn & WolfeV.P. Group Manager1994 — 1997
Skills & more
Corporate Communications2Messaging6Entrepreneurship77Strategic Partnerships18Social Media Marketing11Social Media8Business Development19Marketing Strategy12Product Development2Digital Strategy2Marketing45Social Networking3
+12 more
Public RelationsIntegrated MarketingProduct ManagementOnline AdvertisingSEOMarketing CommunicationsCompetitive AnalysisStrategic CommunicationsLeadershipManagementStrategyTeam LeadershipFrom David's professional profile.
Colleagues at Massive
Frequently asked questions
- Who is David Mandell?
- David Mandell, a multi‑time founder of PivotDesk and OneRiot turned investor, coaches CEOs—using empathy for fundraising and board challenges—to shape company culture through daily actions and communication.
- Where does David Mandell work?
- David Mandell is Managing Director at Massive.
- What does David Mandell invest in?
- David Mandell invests in Climate Tech, Deep Tech, Hardware, Mobility & Transportation, SaaS, Space Tech.
- What check size does David Mandell write?
- David Mandell typically writes checks of $500K – $2M.
- Where did David Mandell go to school?
- David Mandell studied at Lehigh University.
Founder mafias
Techstars mafia238
Also came through, then founded or led a company.
David CummingsTechstars Boulder Accelerator 2012Founded Undaunted +4Jeremy AchinCloud Class 2013Founded Neo Cybernetica +2TJ ParkerTechstars Boston Accelerator 2013Founded Tjparker +2Spencer RascoffMentorFounded HeyLibby +2Sanjiv SanghaviTechstars New York City Accelerator 2012Founded Texture +2Brandon PatonMentorFounded Glider +2
+ 231 more
Lehigh University mafia18
Also came through, then founded or led a company.
Eric HeilBSE CandidateFounded Ladderbio +1Dalton CombsBachelor's degreeFounded Boundless Mind +1Joseph R. SavianoBachelor of Science - BSFounded DotcapitalJon HallettB.S.Founded GridlineJeffrey SternbergBachelor of Science (BS)Founded HuntclubAlex IskoldBachelor of ScienceFounded Adaptiveblue
+ 11 more
Same school
Also attended Lehigh University77
Joseph R. SavianoFounder and Managing Member at Dot CapitalStuart SchnabolkChief Financial Officer at Ibex InvestorsEric HeilManaging Partner at Medical Excellence CapitalJay FraserInvestor at Side Door VenturesMegan CainPrincipal at The Westly GroupSam GerouxAnalyst, Data at Stripes
+ 71 more
Shared employers
Also worked at Techstars453
Brad FeldCo-founder of Foundry and TechstarsRustyAdvisor at Clear VenturesHouman HaghighiPartner, Business & Corporate Development at Menlo VenturesIsabelle StyslingerSenior Associate, Rise of the Rest at RevolutionWesley BarrowPartner at Correlation VenturesJack Bixby LucasGeneral Partner at Lucas Venture Group
+ 447 more
Also worked at The Fund21
Elicia McDonaldCEO & Partner at AirTree VenturesAri NewmanCo-Founder, GP at MassiveAnna BarberPartner at M13Eamonn CareyGeneral Partner at Tera VenturesJoy JingMarketing & Social Media at Lair East LabsAdrian PetersenPartner at AfterWork Ventures
+ 15 more
Also worked at PivotDesk1
Also worked at Deloitte Consulting1,277
Kirsten GreenFounder and Managing Partner at Forerunner VenturesHunter WalkCo-founder & Partner at HomebrewBrian ArmstrongCo-founder & CEO of CoinbaseSteve AnaviCo-founder & President of QontoNancy WangInvestor at Felicis VenturesPatrick KartevollInvestor at Investinor
+ 1,271 more



























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