Alison Davis Riddell
InvestorPartner at Positive Sum Capital
Seattle, Washington
Writes $100K – $5M checks · typically $1.5M
Find your path to Alison
124 people in our graph share verified history with Alison — schools, employers, funds. One of them is your warm intro.
Joe HorsmanunlockedAlison: together at University of Washington (2011–2014)
×7Alison: together at University of Washington
×2Alison: together at Impossible Foods Inc.
×2Alison: together at Positive Sum Capital
Contact· self-published, not guessed
Experience
- Positive SumPresident and Partnercurrent2024 — presentGreater Seattle Area
- Positive SumPartner2022 — 2024
- balenaBoard Membercurrent2020 — presentGreater Seattle Area
- balenaChief Operating Officer2020 — 2022Greater Seattle Area
- balenaDirector, Product and Commercial Strategy2018 — 2020Greater Seattle Area
- balenaDirector, Product Marketing and Strategy2016 — 2018Greater Seattle Area
- Impossible Foods Inc.Chief of Staff to the CEO2014 — 2016San Francisco Bay Area
- University of Washington Investment Management CompanyInvestment Analyst2011 — 2014Greater Seattle Area
Colleagues at Positive Sum Capital
Avidan Rudansky
Investor at Positive Sum Capital
Brie Wolfson
Investor at Positive Sum Capital
Dom Cooke
Investor at Positive Sum Capital
Donald Lee-Brown
Investor at Positive Sum Capital
Eric Jasinski
Investor at Positive Sum Capital
Gabi Marques
Investor at Positive Sum Capital
Gabriela Marques
Associate at Positive Sum Capital
Jeremy Stern
Investor at Positive Sum Capital
Frequently asked questions
- Who is Alison Davis Riddell?
- Investor at Positive Sum Capital
- Where does Alison Davis Riddell work?
- Alison Davis Riddell is Partner at Positive Sum Capital.
- What check size does Alison Davis Riddell write?
- Alison Davis Riddell typically writes checks of $100K – $5M.
- Where did Alison Davis Riddell go to school?
- Alison Davis Riddell studied at University of Washington (B.A., Economics and Political Science).
Same school
Also attended University of Washington608
Andrew ChenGeneral Partner at Andreessen HorowitzArvind JainFounder & CEO of GleanJane MooneyCo-founder & VP, Strategy and Finance at Collaborative RoboticsVictoria TreygerGeneral Partner at Felicis VenturesAndrewAdvisor at Clear VenturesJoe HorsmanInvestor at Madrona Venture Group
+ 602 more
Shared employers
Also worked at Positive Sum10
Patrick O'ShaughnessyInvestor at Positive Sum CapitalBrie WolfsonInvestor at Positive Sum CapitalJoe ParkerInvestor at Positive Sum CapitalDonald Lee-BrownInvestor at Positive Sum CapitalTerran MottInvestor at Positive Sum CapitalEric JasinskiInvestor at Positive Sum Capital
+ 4 more
Also worked at balena7
Panos PapadopoulosPartner at Marathon Venture CapitalBryan HaleManaging Director at Allen Institute for AI (AI2) IncubatorBob NunnInvestor at Intel CapitalMackey CravenPartner at OpenView Venture PartnersDan GoodmanFounder at CobberyPhil WilsonCo-CEO at Balena
+ 1 more
Also worked at Impossible Foods Inc.20
Marco LorenzonVice President at StripesAlexander Joël-CarbonellInvestor at HV CapitalAlex S. FisherInvestor at Madison Dearborn PartnersKenneth Benson SawyerCo-Founder and Managing Partner at Saints CapitalJessica KarrGeneral Partner at Coyote VenturesTwisha KiniFinance Manager at Stack Capital
+ 14 more
Also worked at University of Washington Investment Management Company203
Mike FridgenVenture Partner at Madrona Venture GroupSid ShenaiVenture partner at Madrona and co-founder and CEO of Proof DiagnosticsPaul JennyBoard Chair at CincyTechJason PrestonInvestor at Alsop Louie PartnersElliot HershbergScientist, Writer, and Investor on a mission to accelerate The Century of BiologyLuke RigganAssociate at Amplify Partners
+ 197 more





























