About the Founder
Who built PrepGraph and why.
Marjuk Ahmad is an Integrity Systems Project Manager at Meta, where he protects WhatsApp from automated attacks, bot networks, and large-scale scraping operations. Before Meta, he ran marketplace analytics at Uber, where his work touched $8M in monthly revenue across four cities.
He built PrepGraph while working full-time — not as a side project, but as a response to a specific frustration. Preparing for PM interviews, he found no tool that closed the gap between consuming content and actually knowing it. So he built one, using the same feedback loops and measurement instincts he applies daily at Meta.
PrepGraph is built by someone who knows what top tech companies test because he works at one. That is the founding insight. Marjuk studied sustainable business and mathematics at Green Mountain College and computer science at Stanford as a visiting undergraduate, and built the product himself — the full stack, the AI integration, the product logic.
He is based in Dublin, Ireland.
You can find him on LinkedIn.
You can reach him at [email protected].