Persona | Cosign

Persona is a personal AI assistant that remembers context, handles everyday tasks with approval, and extends beyond the screen through Persona Band.

Products & media

Persona App

A personal AI assistant in iMessage that handles calls, appointments, subscriptions, messages, and other everyday tasks.

Persona Band

A screen-free wearable that connects to Persona, accepts voice commands, and lets users approve tasks by tap or voice.

Team

3 people across company lists

Founders

1 person

List

Zach Yadegari

Current Affiliates

2 people

List

Erik Cupsa2026-10

Julia Li

Jobs

See all jobs for Persona here.

Senior Research ScientistEngineeringSan Francisco · San Francisco, California, United States · FullTime$190K – $250K • Offers EquityView Job

Sales Development Representative (SF)Sales DevelopmentSan Francisco · San Francisco, California, United States · FullTime$50K – $65K • Offers EquityView Job

Research ScientistEngineeringSan Francisco · San Francisco, California, United States · FullTime$150K – $200K • Offers EquityView Job

Software Engineer, Intern (Summer 2027)Engineering-InternSan Francisco · San Francisco, California, United States · Temporary$7.5K – $8K bi-weeklyView Job

Senior Software Engineer, EdgeInfrastructureSan Francisco · San Francisco, California, United States · FullTime$190K – $250K • Offers EquityView Job

All 15 jobs

Funding

All fundraising announcements are based on public sources. Please contact Cosign if you believe there are any discrepancies, or claim the profile to edit.

Data current as of October 8, 2026

Leads

Participating Firms

Angels

Oct 2026

$10M

View post