Where does Ben Portney work?

Ben Portney is Partner at Andreessen Horowitz.

What check size does Ben Portney write?

Ben Portney typically writes checks of $500K – $15M.

Where did Ben Portney go to school?

Ben Portney studied at University of Maryland (Bachelor of Science (B.S.), Biology, General); University of Maryland, Baltimore (UMB) (Doctor of Philosophy (Ph.D.), Biochemistry and Molecular Biology).

Ben Portney

Investor

Partner at Andreessen Horowitz

Cambridge, Massachusetts

Writes $500K – $15M checks · typically $7M

Find your path to Ben

323 people in our graph share verified history with Ben — schools, employers, funds. One of them is your warm intro.

Erin Price-WrightunlockedBen: together at Andreessen Horowitz (2024–2026)

×9Ben: together at Andreessen Horowitz

×2Ben: together at Flagship Pioneering

About

Ben Portney is an Investment Partner at Andreessen Horowitz focused on biotechnology venture investment. He has background experience as a molecular biologist and entrepreneur working in biotechnology strategy and business development.

Experience

Andreessen HorowitzInvestment Partnercurrent2022 — presentNew York, United States
Flagship PioneeringSenior Associate2020 — 2022Greater Boston
Flagship PioneeringAssociate2018 — 2020Greater Boston Area
Flagship PioneeringVentureLabs Fellow2018Greater Boston Area
T. Rowe PriceEquity Research Extern2018Baltimore, Maryland Area
Actinium CapitalResearch Analyst2016 — 2018Baltimore, MD

Skills & more

Teaching4Entrepreneurship8Nonprofits5Fundraising3Coaching5Curriculum Development2Molecular & Cellular Biology3Biochemistry5Presentation Skills4Refereeing2Doodling3Research9

+8 more

Experimental DesignWestern BlottingGel ElectrophoresisImmunohistochemistryImmunofluorescenceFluorescence in situ hybridizationCell CultureNucleic Acid Extraction

From Ben's professional profile.

Colleagues at Andreessen Horowitz

Adam Alpert

Founder at Pangea.app

Aditya Mehta

Founder at Suggestr

Aiden Slavin

Policy at a16z crypto

Alex Immerman

Partner at Andreessen Horowitz

Alex Rampell

General Partner at Andreessen Horowitz

Ali Yahya

General Partner at a16z crypto

Alisha Litman

Events at a16z crypto

Andrew Chen

General Partner at Andreessen Horowitz

Network9

Chris DixonScout

Founder & Managing Partner of a16z crypto at Andreessen Horowitz

Alex RampellScout

General Partner at Andreessen Horowitz

Angela StrangeScout

General Partner at Andreessen Horowitz

Anjney MidhaScout

General Partner at Andreessen Horowitz

Andrew Chen

General Partner at Andreessen Horowitz

Alex Immerman

Partner at Andreessen Horowitz

Ali Yahya

General Partner at a16z crypto

Andrew Lee

Partner at Andreessen Horowitz

Anish Acharya

General Partner at Andreessen Horowitz

Investors connected to Ben in public investor directories — a warm-intro map.

Frequently asked questions

Who is Ben Portney?: Ben Portney is an Investment Partner at Andreessen Horowitz focused on biotechnology venture investment. He has background experience as a molecular biologist and entrepreneur working in biotechnology strategy and business development.
Where does Ben Portney work?: Ben Portney is Partner at Andreessen Horowitz.
What check size does Ben Portney write?: Ben Portney typically writes checks of $500K – $15M.
Where did Ben Portney go to school?: Ben Portney studied at University of Maryland (Bachelor of Science (B.S.), Biology, General); University of Maryland, Baltimore (UMB) (Doctor of Philosophy (Ph.D.), Biochemistry and Molecular Biology).

Same school

Also attended University of Maryland365

Katrina PagliaChief Legal Officer at Pantera Capital Sujal PatelStrategic Director at Madrona Venture Group Daniel DemmerInvestor at OpenView Venture Partners Dan RochkindCFO at Lerer Hippeau Aaron EpsteinGeneral Partner at Y Combinator Kevin NiechenInvestment Team at 8VC

+ 359 more

Also attended University of Maryland, Baltimore (UMB)6

Jessica SwartzExecutive Advisory Board at NYU Innovation Venture Fund Rajaniece ThompsonAssistant Director & Grant Manager at Maryland TEDCO Alejandro CorvalánMD at Ilico Genetics Vineet RajgarhiaCo-founder at Erg Bio Calvin KnowltonDirector, Executive Officer at GalenusRx Aly AbayazeedExecutive Officer, Director at NeoSoma

Shared employers

Also worked at Flagship Pioneering88

Anika GuptaInvestor at GV (Google Ventures)Noubar AfeyanInvestor at Flagship Pioneering Cassidy BlundellPartner at Mission Biocapital David KoleskyPrincipal at MPM BioImpact Diana BernsteinDirector at Northpond Ventures Inca ComanVenture Partner at ARCH Venture Partners

+ 82 more

Also worked at T. Rowe Price35

Grayson BaxterFund Controller at JMI Equity Andrew McGuirkVenture Fellow at Moneta Ventures Liz WuestlingVice President, Business Analytics & Strategy at Northpond Ventures Muz AshrafGeneral Partner at TCV SethGeneral Partner at Saas Ventures, L.L.C.Jacob H. KannSr. Research Analyst at Sands Capital Ventures

+ 29 more