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Guillaume Pfefer Email & Contact Information

Partner @ Flagship Pioneering

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Guillaume Pfefer Location

Boston, United States

Guillaume Pfefer Investing

CEO Partner at Flagship Pioneering

Stages
Series A, Seed
Sectors
Health tech
Cheque size
€460k–€13.8M
Freshness
Verified 1mo ago

Guillaume Pfefer Summary

Guillaume Pfefer, based in Boston, United States, is a Partner at Flagship Pioneering. Guillaume Pfefer invests in Health tech at Series A and Seed, writing €460k–€13.8M cheques. Guillaume Pfefer's verified email and contact details are available on Mintround.

How to cold email Guillaume Pfefer

Guillaume Pfefer, Flagship Pioneering in Boston, United States, backs Health tech companies at Series A and Seed, writing €460k–€13.8M cheques. Here's how to get a reply when you cold email Guillaume:

  • Subject line: name your company and one metric that matters to Health tech, not “quick chat”.
  • First line: your strongest traction, the real numbers, not adjectives.
  • One ask: a 20-minute call with a date range. Keep it under 150 words.
  • Send it to Guillaume's verified address below. No warm intro required.
Show Guillaume's email

Notable investments

Frequently co-invests with

Ignacio MartinezFlagship VenturesNoubar AfeyanFlagship Ventures

Guillaume Pfefer's colleagues at Flagship Pioneering

James GilbertPartner, Flagship Pioneering
Erica WeinsteinPrincipal, Flagship Pioneering
Ewen CameronPrincipal, Flagship Pioneering
Fabrice ChouraquiPartner, Flagship Pioneering
Hok Hei TamSenior Associate, Flagship Pioneering
Jaclyn DunphySenior Associate, Flagship Pioneering
Stephen BerensonManaging Partner, Flagship Pioneering
Tuyen OngPartner, Flagship Pioneering
Christine HeenanPartner, Flagship Pioneering
David EpsteinPartner, Flagship Pioneering
Alex GoldsmithPrincipal, Flagship Pioneering
Aram AdourianPartner, Flagship Pioneering
Bernard Cooney IIIPartner, Flagship Pioneering
Lovisa AfzeliusPartner, Flagship Pioneering
Avak KahvejianGeneral Partner, Flagship Pioneering
Diego MirallesPartner, Flagship Pioneering
George M. ChurchInvestor, Flagship Pioneering
Jacob RubensPrincipal, Flagship Pioneering
Geoffrey von MaltzahnGeneral Partner, Flagship Pioneering
Michael NallyPartner, Flagship Pioneering
Harry WilcoxGeneral Partner, Flagship Pioneering
Michael RosenblattPartner, Flagship Pioneering
See all 23 at Flagship Pioneering →

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Jacob SmithPartner, Cannage Capital

Related lists

Health tech investorsSeries A Health tech in United StatesSeed Health tech in United States

Frequently asked questions

How do I contact Guillaume Pfefer?
Guillaume Pfefer, Partner at Flagship Pioneering, can be reached by email. The verified email address is listed on this page.
What is Guillaume Pfefer's email address?
Guillaume Pfefer's email address uses the flagshippioneering.com domain (shown as *****@flagshippioneering.com until revealed).
What does Guillaume Pfefer invest in?
Guillaume Pfefer backs Health tech companies at Series A and Seed, typically writing €460k–€13.8M cheques.
How do I cold email Guillaume Pfefer?
Guillaume Pfefer backs Health tech companies at Series A and Seed, writing €460k–€13.8M cheques. A concise cold email that leads with relevant traction and one specific ask, sent to the verified address on this page, is the most direct way to reach Guillaume.
Where is Guillaume Pfefer based?
Guillaume Pfefer is based in Boston, United States and works at Flagship Pioneering.

Every contact is a verified, deliverable email. How Mintround verifies contacts.

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