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Hey, I’m Ionah Nguyen

A product & business leader in San Jose, CA. For 10+ years I’ve worked where product, growth, and operations meet: in big tech, a fintech unicorn, and early-stage startups, including two I founded.

Portrait of Ionah Nguyen

The path

One career, three tracks. Each move added a layer: growth, business ownership, product, operating leadership, and founding.

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  1. 2025 – Present

    Vbrain · Co-Founder & Head of Marketing

    I’m building an AI-powered orchestration platform for R&D that connects domain experts, AI agents, and structured playbooks in one workspace. I took it from customer discovery to five enterprise pilots within three months of launch.

    Case study

    An AI-powered orchestration platform for R&D

  2. 2024 – Present

    Brainy Hearty · Founder & CEO

    I founded an educational tabletop game studio, designed five original games through 30–50 playtests each, and took them worldwide through two publishing deals and three licensing agreements.

    Case study

    A tabletop game studio from 0 → 1

  3. 2022 – 2024

    Koidra AI · Chief of Staff to the CEO

    At a seed-stage industrial AI startup, I was the CEO’s partner across strategy and execution. I repositioned the flagship product, built Sales Ops from scratch, brought AI workflows to four functions, and ran investor and board communications.

    Case study

    Chief of Staff: taking AI greenhouse automation to market

  4. 2021 – 2022

    Amazon · Senior Product Manager

    I moved from business owner to product owner. I launched an AI-assisted vendor onboarding program and an AI-powered recategorization solution for a catalog of 5M+ listings, partnering with Engineering, ML, and Vendor Management.

    Case study

    AI-assisted vendor onboarding at catalog scale

  5. 2020 – 2021

    Amazon · Senior Vendor Manager

    I owned the P&L for two Home & Kitchen categories with $300M+ in revenue and delivered 56% YoY revenue growth and 42% YoY profitability growth through assortment, pricing, vendor negotiations, and better forecasting.

    Case study

    Owning a $300M+ Home & Kitchen P&L

  6. 2019

    Kaleido · Business Operations & Strategy MBA Intern

    At a venture-backed enterprise blockchain SaaS startup, I ran customer interviews and competitive analysis on pricing and product bundling, built a product-market fit framework to prioritize target industries, and presented segment, packaging, and pricing recommendations to the CEO.

  7. 2016 – 2018

    MoMo · Growth Lead → Product Experience Lead

    At a Series B mobile-payments startup in Vietnam, I led a 20-person team on acquisition. My referral program drove 700% MAU growth in six months. Then I moved into product experience: activation, engagement, lifecycle CRM, and trust. This is where I learned that growth is a product problem.

    Case study

    Scaling a fintech app from acquisition to retention

Beyond the day job

Side projects, hackathons, and the community I help run.

Education

  • Duke University, The Fuqua School of Business

    2018 – 2020

    MBA, Decision Science concentration · Management Science & Technology Management Certificate

    • Forté Women Fellow, Mary R. Few Memorial Scholar
    • Exchange programs at HEC Paris & Tel Aviv University
    • Strategy consultant for Ubuntu Healthcare (Nairobi, Kenya), Fuqua Client Consulting Practicum
  • Hanoi Foreign Trade University

    2008 – 2013

    Bachelor of Business Administration, International Business

    • Vice President, Marketing Club
    • Second prize, Kawai Startup Contest

Awards & certifications

  • Finalist, Boston Dell × NVIDIA Hackathon (Top 8 of 60 teams)
  • Finalist, Vietnam AI Stars competition (Top 10 of 140 teams)
  • Employee of the Year, MoMo
  • Machine Learning Foundations for Product Managers (Duke University)
  • Principles of Designing for Humans (MichiganX)

Let’s build something meaningful together

Product, go-to-market, Chief of Staff roles, or a tabletop game partnership: I’d love to hear what you’re working on.