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James Zammit

4x founder

James Zammit

Co-founder @ Roark - Voice AI Simulations & Evals

2025Co-founder· Roark (YC W25)
Founder · since 2015
Company
Roark (YC W25)
Role
Co-Founder & CEO
current
Stage
—
no public source
Raised
—
no public source
Based
San Francisco Bay Area
current
Founder / co-founder — the company's markEmployee / research role
Source: LinkedIn work history
Profile coverage5 of 7 · missing posts, contact
Roark logo
Roark

Test, monitor, and improve your voice agents

Winter 2025

Experience

Career

  • Roark (YC W25) logo

    Roark (YC W25)

    Co-founder

    Co-Founder & CEO · San Francisco Bay Area · 2025 – Present

    2025
  • AngelList logo

    AngelList

    Senior Software Engineer · San Francisco Bay Area · 2022 – 2025

    2022
  • Avid logo

    Avid

    Senior Full-Stack Engineer · London, England, United Kingdom · 2021 – 2022

    2021
  • IDEA Management Consulting Services Limited logo

    IDEA Management Consulting Services Limited

    Senior Software Engineer · Mosta, Malta · 2019 – 2021

    2019
  • Gaming Innovation Group - (Infobot) logo

    Gaming Innovation Group - (Infobot)

    Product Owner & Technical Lead · Saint Julian's, Malta · 2018 – 2019

    2018
  • Infobot

    Co-founder

    Co-founder & CTO · Malta · 2017 – 2018

    2017
  • Courtland Brooks logo

    Courtland Brooks

    Consulting Software Engineer · New York, United States · 2017 – 2018

    2017
  • Kwaver logo

    Kwaver

    Co-founder

    Co-founder & CTO · San Francisco Bay Area · 2015 – 2017

    2015
  • Google logo

    Google

    Co-founder

    Software Engineer Internship · Mountain View, California, United States · 2015

    2015
  • MITA (Malta Information Technology Agency) logo

    MITA (Malta Information Technology Agency)

    iOS Software Developer · Smart City Malta · 2014 – 2015

    2014
  • Just Some Coding

    iOS Software Developer · Qormi, Malta · 2014

    2014

Bio

James Zammit (CEO) is an infrastructure and AI engineer with 10+ years of experience. Previously a Senior Engineer at AngelList, he built core portfolio infrastructure as the company grew from $10B to $124B in assets under management, and led the development of Relay, an AI-powered portfolio manager processing thousands of financial documents each month. He also co-founded a startup showcased at Google I/O 2016 in partnership with Firebase, and received scholarships from Meta and Apple.