United States · 
Who invested in Efficient Computer?
Efficient Computer's investors include Union Square Ventures, BoxGroup, SE Ventures, Eclipse and TA Ventures, and 2 more on record.
202420252026
$16MSeed$60MSeries A$97MSeries B
United States · Series B startup
Who invested in Efficient Computer
Funding summaryUpdated 26 Oct 2026
$173Mraised across 3 rounds since 2023, from 3 sources
$16MSeed$60MSeries A$97MSeries B
- Latest round
- Series B, $97MSept 2026
- Step-upi
- 1.6×
- Investors
- 7 (1 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Seed, $16M Dec 2023
- Biggest round
- $97M Series B · Sept 2026
- Usual gap between rounds
- 2.3 years the median of 2
The rounds
- Sept 2026
- Feb 2026Series A$60M5 new1 returning
Reported by Union Square Ventures
- Dec 2023
Founders and team
From Efficient Computer's own website: 11 on the team.
- Brandon LuciaChief Executive Officer
- Graham GobieskiChief Technology Officer
- Nathan BeckmannChief Architect
- Mandeep SinghHead of Product
- Peter ParkHead of Legal & Compliance
- Philip LewerHead of Product
- Tyler HallVP of Operations
- Adam KaufmanDirector of Marketing
- Renee SchummExecutive Assistant & Office Manager
- Troy ReaDirector of Supply Chain and Operations
- Yaw TongLead Physical Design Engineer
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Seed2023Series A2026Series B2026
Union Square VenturesL
BoxGroup
SE Ventures
Eclipse
TA Ventures
Toyota Ventures
TQ Ventures
Union Square VenturesLBoxGroupSE VenturesEclipseTA VenturesToyota VenturesTQ VenturesEveryone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 2 firms list Efficient Computer as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Efficient Computer
How much has Efficient Computer raised?
Efficient Computer has raised $173M across 3 rounds since 2023.
When did Efficient Computer last raise?
Efficient Computer's most recent round was a Series B of $97M in Sept 2026.
What was Efficient Computer's biggest round?
Its most recent round, $97M in Sept 2026, is also its largest on record.
Who backed Efficient Computer first?
Efficient Computer's first round on record, in Dec 2023, was backed by SE Ventures.
What stage is Efficient Computer at?
Efficient Computer's latest named round is a Series B, in Sept 2026.
Where is Efficient Computer based?
Efficient Computer is based in the United States.
Who led Efficient Computer's rounds?
Union Square Ventures led the Series A in 2026.
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