Fundraising Fox

BuildForever

San Francisco, US Β· 8 known investors

buildforever.com β†—

Consumer tech company from ex-Pinterest leaders building Extra, an AI-organized personal email app for Gmail users.

Also known as Extra Β· extra.email

Founders & leadership

AP
Albert PeretaFounder
NG
Naveen GaviniFounder
SR
Steven RamkumarFounder

Investors Β· 8

Also in the syndicate Β· 6

A-Star CoAbstract VCBen SilbermannEvan SharpFidji SimoPaul Buchheit

Funding

SEC filings, press & company announcements

Source: company announcements and press reports β€” follow each round's link for the claim.

Company profile

researched Aug 2026

BuildForever is a consumer software company based in San Francisco and New York that builds consumer products intended to feel personal and human. Its first product, Extra, is an AI-assisted email application that reorganizes the personal inbox: instead of subject lines, folders and tags, Extra opens on a "Today" view that groups items into what needs action, what is happening today, and "good to know" items, plus a "Daily Cleanup" section for reviewing, unsubscribing from, or deleting low-priority mail. Remaining mail is sorted into user-editable custom categories that appear as tabs, with additional dedicated tabs for News (newsletter headlines presented in an article-browsing format), Events (appointments extracted from email plus suggested local events that can be added to a calendar), and Shop (products extracted from retailer emails presented as a visual storefront).

Under the interface, Extra uses AI to classify and summarize mail and to suggest next actions such as adding an item to a calendar or opening a ticket page; it also includes a conversational assistant for searching old email, unsubscribing, and replying by voice. Actions such as marking items done are reflected back into the user's Gmail account. At launch the product supported Gmail accounts only, via iOS and web, with the company indicating that support for other providers and its own email addresses were possible future directions. Management describes a longer-term goal of a "life inbox" combining a personal assistant with a directory of a user's ongoing commitments, and states it deliberately does not market Extra primarily as an AI product [6][7].

The company describes itself as a small team of designers, engineers and growth staff and lists open roles for backend, ML/AI and product engineers plus a contract social growth lead [0][2]. Its published mission and values emphasize small-team craft, building products the team itself wants to use, and iterative prototyping [1].

Founding story

BuildForever was founded by three colleagues from Pinterest: Naveen Gavini, a former SVP and chief product officer who spent nearly 12 years at the company; Albert Pereta, Pinterest's former executive creative director; and Steven Ramkumar, a former distinguished engineer. Gavini has described the idea originating in his own personal inbox, where important messages β€” friends' birthdays, family updates, a lapsed pet insurance payment β€” were lost amid clutter, in contrast to the disciplined inbox-zero habits he maintained at work. The team spent months researching the problem before choosing email, concluding that recent entrants such as Superhuman had concentrated on work email while personal email, which is used differently, remained comparatively unaddressed [6][7].

Business model

Consumer software. A third-party startup database categorizes BuildForever's model as consumer subscription; the sources do not state pricing or whether Extra was monetized at launch [5].

No revenue figures or pricing details are disclosed in the available sources; an external database lists the business model as consumer subscription [5].

Traction

About 1,000 users participated in roughly five months of beta testing prior to the April 21, 2026 public launch, after which the company began onboarding waitlist signups daily [6].

Latest developments

Extra publicly launched on April 21, 2026, and a $9.5 million seed round was announced on April 22, 2026, with proceeds earmarked for expanding operations and launching Extra [3][6][7].

β–ΈFull profile β€” market position, technology, go-to-market, geography, history, risks & controversies

Market position

Extra enters a category where many post-Gmail email startups have failed or been acquired, including Mailbox and Superhuman. BuildForever positions Extra against work-focused AI email tools by targeting personal email and against Gmail by replacing its list interface with a summarized, category-based view. A sector database classifies the company under Consumer Apps & Social at seed stage [5][6][7].

The product removes subject lines, folders and tags in favor of a real-time "Today" overview and automatically generated life-based category tabs, and presents newsletters, events and shopping emails in formats tailored to each content type. The team also states it deliberately avoids positioning the product as an AI assistant, focusing instead on specific user problems, and emphasizes suggested actions over an open-ended "blank box" prompt [6][7].

Technology

Extra applies AI/LLM-based processing to classify, summarize and prioritize incoming email, extract structured items such as shipments, appointments, test results, newsletter headlines and retail products, and predict next actions. It layers a conversational assistant supporting search, unsubscribing and voice replies. Integration is with Gmail, with state changes such as archiving synchronized back to the user's Gmail account [6][7].

Go-to-market

Extra launched publicly on iOS and web for Gmail users, onboarding people from a waitlist on a rolling daily basis, with press coverage at launch and referral-style skip-the-line codes distributed through media partners. The company has also posted a contract Social Growth Lead role [2][6][7].

Consumers managing personal email, including heavy-backlog users, inbox-zero maintainers who spend hours weekly on organization, people juggling multiple email accounts, parents and caregivers, and younger users who view Gmail as dated [6][7].

Geography

Offices/teams in San Francisco and New York; the product launched to Gmail users on iOS and web [0][3][6][7].

History

The founders previously worked together at Pinterest, where they launched Shuffles, a standalone collage app aimed at Gen Z that briefly topped the U.S. App Store in 2022. Extra ran roughly five months of beta testing with about 1,000 users before its public launch on April 21, 2026; the following day a $9.5 million seed round was reported [3][6].

Risks & controversies

Reporting notes that email is a historically difficult category in which many startups have failed and that veterans of the space advised the founders against attempting it; reviewers also described the launch product as still a work in progress. Extra is currently dependent on Gmail as its only supported provider [6][7].

Compiled by commissioned research from 8 cited public sources β€” announcements, filings, and press listed under research sources below.

Key figures

latest reported
Beta duration before public launchApr 2026about five months
Beta users before public launchApr 20261,000 users
Open job postingsJan 20264 roles
Total funding raisedApr 2026$9.5M

Company-reported or press-reported figures, each dated to when it was claimed β€” not independently audited.

Timeline Β· 2

launches, deals, and filings
Apr 2026
BuildForever raises $9.5M seed round

Seed funding of $9.5M from Felicis Ventures, Abstract VC/Abstract Ventures, Elad Gil, A-Star Co (A*), SV Angel, and angels Paul Buchheit, Evan Sharp, Ben Silbermann and Fidji Simo, to expand operations and launch Extra.

$9.5M source β†—

Apr 2026
Public launch of Extra, an AI-organized email app

Extra, BuildForever's first product, launched publicly for Gmail users on iOS and web after roughly five months of beta with about 1,000 users.

source β†—

Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.

In the news

β–ΈResearch sources Β· 8

primary sources listed

8 public sources were cited for this profile; the first-party ones are listed here.

Frequently asked questions

What does BuildForever do?
Consumer tech company from ex-Pinterest leaders building Extra, an AI-organized personal email app for Gmail users.
Who are BuildForever's investors?
BuildForever's investors include Abstract Ventures, Felicis Ventures.
Where is BuildForever headquartered?
BuildForever is headquartered in San Francisco, US.