Gabriella Williams
InvestorSenior Director, Management Company Controller at Third Rock Ventures
East Coast
About
Gabby oversees Management Company reporting, analysis, day-to-day operations, and tax matters at Third Rock. She previously served as a Finance Director at Bain Capital and spent several years in tax at EY working with real estate and private equity clients; she is a licensed CPA.
Experience
- Third Rock VenturesSr. Director, Management Company Controllercurrent2026 β present
- Third Rock VenturesDirector, Management Company Controller2023 β 2025
- Bain CapitalFinance Director2022 β 2023
- Bain CapitalFinance Manager2019 β 2022
- Bain CapitalSenior Finance Associate2017 β 2019
- EYSenior Tax Associate2016 β 2017
- EYTax Associate2014 β 2016
Education
- Bentley University - McCallum Graduate School of BusinessMaster of Science in Taxation
- Bentley UniversityBA, Accounting
Skills & more
Public Speaking5Teamwork2Leadership4Spanish2Corporate Tax2Tax Law1Tax Preparation1Data Analysis1Customer Service1Social NetworkingSocial MediaPowerPoint10
+9 more
OutlookAccessMicrosoft WordMicrosoft ExcelSPSSOneNotePeachtreeMicrosoft OfficeFacebookLanguages English Β· Spanish
- Certified Public Accountant (CPA) β State of Massachusetts
From Gabriella's professional profile.
Same school
Also attended Bentley University - McCallum Graduate School of Business12
Ava BrunelleInvestor at Third Rock VenturesKevin GillisPartner and Chief Operating Officer at Third Rock VenturesUllas NaikFounder and General Partner at Streamlined VenturesChris MooreChief Financial Officer at K5 GlobalKate GunioController at Long Ridge Equity PartnersTommy SkinnerDirector, Venture Investments at Michigan Rise
+ 6 more
Also attended Bentley University75
Jessica DowdInvestor at OpenView Venture PartnersBrett RippergerDirector, Investor Reporting & Business Analytics at Sapphire VenturesAva BrunelleInvestor at Third Rock VenturesGreg O'BrienInvestor 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 Bain Capital109
Ian MarshInvestor at DN CapitalElena PantaziPartner & Head of Platform at NorthzoneLee VeneziaInvestor at Third Rock VenturesAlison ConnorsInvestor at Third Rock VenturesJulie YangInvestor at Third Rock VenturesTracy WilliamsInvestor at Third Rock Ventures
+ 103 more
Also worked at EY1,021
Tyler WilsonSenior Accountant at Felicis VenturesSandra SchwarzerInvestor at Index VenturesLinn Hege AuneInvestor at InvestinorTorjusInvestor at InvestinorAngela ToyPartner & COO at Golden Gate VenturesMahesha SubramaniamHead of Client Relations at Golden Gate Ventures
+ 1,015 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


























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