About
Leads financial strategy and operations across the funds, management company, and early-stage companies, handling reporting, audits, tax planning, and budgeting.
Experience
- AtomicCFO and Operating Partnercurrent2025 — present
- AtomicCFO2023 — 2025
- Third Rock VenturesVice President, Finance2022 — 2023
- Third Rock VenturesDirector, Finance2018 — 2021
- Summit PartnersAssistant Controller2017 — 2018
- Summit PartnersFinance Manager2016 — 2017
- Summit PartnersSenior Financial Analyst2015 — 2016
- Summit PartnersFinancial Analyst2013 — 2015
- PwCAsset Management Senior Tax Associate2012 — 2013
- PwCAsset Management Tax Associate2009 — 2012
Skills & more
Private Equity5Venture Capital4Financial Analysis5Financial Statements5Corporate Finance6Financial Reporting3Alternative InvestmentsFinancial Modeling1Tax2Finance5AccountingInvestments
From Justin's professional profile.
Colleagues at Atomic
Aditi Joshi
Tax Director at Atomic
Adrian Stone
IT Team Lead at Atomic
Allan Claghorn
Principal Engineer at Atomic
Andrew Lasley
Accounting Manager at Atomic
Anna Karagina
Events Director at Atomic
Atticus Honore
Chief Legal Officer, Operating Partner at Atomic
Brenna Cooper
Senior HR Generalist at Atomic
Canny Chen
Controller at Atomic
Frequently asked questions
- Who is Justin Rubbo?
- Leads financial strategy and operations across the funds, management company, and early-stage companies, handling reporting, audits, tax planning, and budgeting.
- Where does Justin Rubbo work?
- Justin Rubbo is CFO, Operating Partner at Atomic.
- Where did Justin Rubbo go to school?
- Justin Rubbo studied at Babson F.W. Olin Graduate School of Business (Master of Business Administration (M.B.A.), Finance); University of Connecticut (Masters, Accounting); Bentley University (Bachelors, Corporate Finance and Accounting).
Same school
Also attended Babson F.W. Olin Graduate School of Business79
Jeff DoranInvestor at Spark CapitalPierre-Eric LeiboviciInvestor at DaphniKevin MunnellyInvestor at Third Rock VenturesBrian DixonManaging Partner at Kapor CapitalMurat BicerGeneral Partner at CRV (Charles River Ventures)Jess LynchGeneral Partner at FoundersEdge
+ 73 more
Also attended University of Connecticut76
Vinnie McSweeneyInvestor at OpenView Venture PartnersAmy ErrettVenture partner at True Ventures and founding CEO of Madison ReedKevin C. WangPrincipal at .406 VenturesRay UpdykeSVP, Finance, Operations at Alpaca VCGenene MorrisEditorial Director at Red Cell IncubationIveya SlavovaFund Accountant at PeakSpan Capital Partners
+ 70 more
Also attended Bentley University83
Jessica DowdInvestor at OpenView Venture PartnersBrett RippergerDirector, Investor Reporting & Business Analytics at Sapphire VenturesAva BrunelleInvestor at Third Rock VenturesGabriella WilliamsInvestor at Third Rock VenturesGreg O'BrienInvestor at Third Rock VenturesTom MendozaInvestor at EQT Ventures
+ 77 more
Shared employers
Also worked at Atomic40
Jack AbrahamFounder, CEO & Managing Partner of AtomicChester NgGeneral Partner at AtomicMatt ChengInvestor at NZVCTuan HoPartner at XfundGagan ChawlaCFO at Story VenturesIlana SternPartner at Peterson Ventures
+ 34 more
Also worked at Third Rock Ventures80
Lisa PurcellInvestor at Third Rock VenturesPaul MeloneInvestor at Third Rock VenturesKevin MunnellyInvestor at Third Rock VenturesAmanda ChanInvestor at Third Rock VenturesJigar RaythathaInvestor at Third Rock VenturesOlie LuchitskyInvestor at Third Rock Ventures
+ 74 more
