Edward Sonnenschein
InvestorVice Chairman at IBX · Board director at X-Energy Website
Rockville, Maryland, United States
Find your path to Edward
188 people in our graph share verified history with Edward — schools, employers, funds. One of them is your warm intro.
Chen Yang SiaunlockedEdward: together at Latham & Watkins (2019–2021)
×8Edward: together at Latham & Watkins
Edward: together at Harvard University
×2Edward: together at Axiom Space
About
Ted Sonnenschein is Vice Chairman and Chief Legal Officer at IBX, where he advises on governance, financings, M&A, and new initiatives. He previously held leadership roles at the law firm Latham & Watkins LLP, including Global Chair of the Corporate Department and member of the Executive Committee, advising companies, private equity firms, sovereign wealth funds, and family offices on M&A, private equity, venture capital, IPOs, and securities matters. He holds degrees from Harvard College and Harvard Law School.
Board director at X-Energy Website
Intro paths
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In turn, Edward can intro founders to X-Energy Website's investors below.
X-Energy Website's investors · 7
Emerson Collective InvestingPalo Alto · $100K – $1M checks · since 2025G SquaredChicago · since 2025Gula Tech AdventuresFulton · $100K – $5M checks · since 2025IBXRockville · since 2025Industrious VenturesDenver · since 2025Stack CapitalToronto · since 2025The Venture CollectiveMiami Beach · $100K – $500K checks · since 2025
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Co-founders at X-Energy Website
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Kamal GhaffarianChairman of the Board
Experience
- Axiom SpaceMember Board of Directorscurrent2026 — present
- IBX, LLCVice Chairmancurrent2021 — presentRockville, Maryland, United States
- X-energyMember Board Of Directorscurrent2021 — presentRockville, Maryland, United States
- Latham & Watkins VP FundsManagement Committee Membercurrent2004 — present
- Pequot Yacht Club FoundationMember Board of Directors and Secretarycurrent2025 — presentSouthport, CT
- Quantum Space, LLCMember, Board of Directors2022 — 2026Rockville, Maryland, United States
- Latham & WatkinsPartner Latham & Watkins (Ret. 2021)1987 — 2021New York, New York, United States
- Latham & WatkinsAssociate1979 — 1986
Skills & more
Private EquityMergers & Acquisitions (M&A)Corporate LawBusiness DevelopmentLicensingPrivacy LawDue DiligenceCorporate GovernanceCorporate FinanceJoint VenturesIntellectual PropertyLitigation
+12 more
Patent LawLegal IssuesCorporate DevelopmentCross-border TransactionsLegal ComplianceContract NegotiationLegal ResearchLegal WritingManagementLeadershipNegotiationStrategyFrom Edward's professional profile.
Investments
Board seats
Per the firm's website.
Colleagues at IBX
Frequently asked questions
- Who is Edward Sonnenschein?
- Ted Sonnenschein is Vice Chairman and Chief Legal Officer at IBX, where he advises on governance, financings, M&A, and new initiatives. He previously held leadership roles at the law firm Latham & Watkins LLP, including Global Chair of the Corporate Department and member of the Executive Committee, advising companies, private equity firms, sovereign wealth funds, and family offices on M&A, private equity, venture capital, IPOs, and securities matters. He holds degrees from Harvard College and Harvard Law School.
- Where does Edward Sonnenschein work?
- Edward Sonnenschein is Vice Chairman at IBX and Board director at X-Energy Website.
- What boards does Edward Sonnenschein sit on?
- Edward Sonnenschein holds tracked board seats at Quantum Space, X-Energy Website.
- Where did Edward Sonnenschein go to school?
- Edward Sonnenschein studied at Harvard Law School (J.D.); Harvard University (A.B.).
Same school
Also attended Harvard Law School299
Keith RaboisManaging Director at Khosla VenturesKen ChenaultInvestment Team at General CatalystDiana BerishaInvestor at Spark CapitalDavid GoldenManaging Partner, Revolution VenturesTracy Van GrackChief Communications Officer at RevolutionSid ShenaiVenture partner at Madrona and co-founder and CEO of Proof Diagnostics
+ 293 more
Also attended Harvard University2,000
Ron ConwayFounder of SV AngelAlfred LinPartner at Sequoia CapitalChris DixonFounder & Managing Partner of a16z crypto at Andreessen HorowitzSarah TavelVenture Partner at BenchmarkDanny RimerPartner at Index VenturesLaela SturdyManaging Partner at CapitalG
+ 1,994 more
Shared employers
Also worked at Axiom Space28
Tarek WakedCo-Founder & Managing Partner at Type One VenturesAbdo John HajjFounder of AJH Investments, a private investment office built for long-duration ownership.Paulina SzyzdekPrincipal at E12 Venture Capital, LlcKurt SchererManaging Director at C5 CapitalRob MeyersonCEO of InterluneKam GhaffarianVenture Partner at Prime Movers Lab
+ 22 more
Also worked at X-energy8
Kurt SchererManaging Director at C5 CapitalKam GhaffarianVenture Partner at Prime Movers LabLinxi ChangDirector at Teachers' Venture GrowthGabriele PapievyteAssociate at Inovia CapitalJeffrey HarperCo-founder, Chief Commercial Officer (and President of ZROC) at Zetta JouleKurt SchererGeneral Partner at C5 Diverse Founders
+ 2 more
Also worked at Latham & Watkins88
Chen Yang SiaGeneral Counsel at Golden Gate VenturesSapna MehtaInvestor at RevolutionThea CrawshawInvestor at Index VenturesJuliette PetitChief of Staff at Keen Venture PartnersChen YangAdvisor at Golden Gate VenturesAllison CaraganExecutive Business Partner at CapitalG
+ 82 more