Fundraising Fox

Greg O'Brien

Investor

Investor at Third Rock Ventures

Quincy, Massachusetts, United States

LinkedIn ↗

Experience

  1. Third Rock VenturesManager, Fund Accountingcurrent2025 — present
  2. Third Rock VenturesSenior Finance Associate2023 — 2025
  3. Third Rock VenturesFinance Associate2021 — 2023
  4. HarbourVest PartnersSenior Private Equity Accountant2020 — 2021
  5. HarbourVest PartnersPrivate Equity Accountant2019 — 2020
  6. PwCExperienced Associate2017 — 2019
  7. Amphenol TCSFinancial Analyst2017Nashua, NH

Education

  1. Bentley UniversityMaster of Science - (MS), Accountancy2016 — 2017
  2. Bentley UniversityBachelor's degree, Corporate Finance and Accounting2012 — 2016

Skills & more

Microsoft Excel6Microsoft Office1PowerPointMicrosoft Word1Teamwork3Financial Analysis1Research1Social Media1Public SpeakingEnglishHTMLAccounting5
  • Certified Public Accountant — Massachusetts Board of Public Accountancy

From Greg's professional profile.

Same school

Also attended Bentley University75

Jessica DowdInvestor at OpenView Venture PartnersBrett RippergerDirector, Investor Reporting & Business Analytics at Sapphire VenturesAva BrunelleInvestor at Third Rock VenturesGabriella WilliamsInvestor at Third Rock VenturesTom MendozaInvestor at EQT VenturesSteve GentiliVice President at Alpha Partners

+ 69 more

Shared employers

Also worked at Third Rock Ventures82

Lisa PurcellInvestor at Third Rock VenturesPaul MeloneInvestor at Third Rock VenturesLee VeneziaInvestor at Third Rock VenturesKevin MunnellyInvestor at Third Rock VenturesAmanda ChanInvestor at Third Rock VenturesJigar RaythathaInvestor at Third Rock Ventures

+ 76 more

Also worked at HarbourVest Partners16

Daniel FureyPartner, Head of Global Capital Formation at ClearSkyDan RosenPartner at Commerce VenturesZachary EagleVice President at Siddhi CapitalCaitlin VorlicekPartner at Sageview CapitalCésar GimenoPrincipal at Axon Partners GroupNelly MarkovaPartner - Molten East at Molten Ventures

+ 10 more

Also worked at PwC964

David PhuController at Felicis VenturesTianen LiangTax Controller at Felicis VenturesJanet WolpertInvestor at Index VenturesAryo TehranianManaging Director at Mayfair Equity PartnersAne Tolnes HaugdalInvestor at InvestinorEgilInvestor at Investinor

+ 958 more

Colleagues at Third Rock Ventures

Abbie Celniker
Investor at Third Rock Ventures
Adam Tebbe
Investor at Third Rock Ventures
Alan Ezekowitz
Investor at Third Rock Ventures
Alison Connors
Investor at Third Rock Ventures
Amanda Chan
Investor at Third Rock Ventures
Andrea van Elsas
Investor at Third Rock Ventures
Andrew Warren
Senior Associate at Third Rock Ventures
Angelo Severino
Investor at Third Rock Ventures