What does Opponent do?

Opponent Systems is developing SAGA, an assistant intended to keep extended families connected across generations.

Who founded Opponent?

Opponent was founded by Ian Cheng.

Who are Opponent's investors?

Opponent's investors include Betaworks, Mozilla Ventures, TIRTA Ventures.

Opponent

3 known investors

Find your way into Opponent

377 people in our graph share verified history with the Opponent team — schools, employers, funds. One of them is your warm intro.

Will Quistunlockedknows Ian Cheng · together at University of California, Berkeley (overlapped)

×9knows the team · via University of California, Berkeley

×2knows the team · via Columbia University

Opponent Systems is building SAGA, a family-focused assistant that keeps relatives connected and shares information across generations without relying on group chats, photo dumps, or separate apps. The product is being demoed via FaceTime.

Also known as Opponent Systems · SAGA

AI & Machine Learning Consumer Social

Founders & leadership

Ian Cheng inFounderIan Cheng has worked since 2012 on multi-agent simulations in the contemporary art context. He is founder of Opponent, which develops adversarial AI agents for families and children.

Veronica SoinFounder

Investors · 3

BetaworksNew York · $250K – $750K

Mozilla Ventures

TIRTA VenturesNew York

Company profile

researched Aug 2026

Opponent Systems is an early-stage company whose website presents SAGA, described as a "house spirit" intended to link generations and enrich "family intelligence." The positioning centers on keeping an entire family in the loop without relying on group chats, photo sharing, or a dedicated application.

The company's site indicates SAGA is being demonstrated over FaceTime and collects interest through a waitlist sign-up. Contact is handled directly through the founder's email address, and the site carries an "Opponent Systems 2026" notice.

Founding story

The company's website states that Opponent Systems was founded by Ian Cheng.

▸Full profile — market position, technology, go-to-market

Market position

The company frames SAGA as an alternative to group chats, shared photo dumps and standalone applications for keeping family members informed.

Technology

SAGA is positioned as an assistant that operates without a dedicated app, with demonstrations delivered over FaceTime.

Go-to-market

Opponent Systems is currently pre-launch, running demonstrations of SAGA over FaceTime and collecting prospective users through a waitlist on its website, with direct email contact via the founder.

The product is aimed at families, spanning multiple generations of relatives who want to stay in contact with one another.

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

In the news

Dr. Amy Acton Raises Nearly $22M, Most of Any Democratic Candidate for Governor in Ohio’s History, Outraises Billionaire Opponent Ramaswamy | Dr. Amy Acton for Governoractonforgovernor.com · Aug 2026

Independent U.S. Senate Candidate Dan Osborn Raises Over $1 Million More than Self-Funding Opponent in Q2 – KCSR / KBPYchadronradio.com · Jul 2026

▸Research sources · 8

primary sources listed

Opponentopponent.systems · web

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

Frequently asked questions

What does Opponent do?: Opponent Systems is developing SAGA, an assistant intended to keep extended families connected across generations.
Who founded Opponent?: Opponent was founded by Ian Cheng.
Who are Opponent's investors?: Opponent's investors include Betaworks, Mozilla Ventures, TIRTA Ventures.