About Cristina Grau-Vilchez
Cristina Grau-Vilchez is co-founder and chief executive officer of Twintual, and a director of the company. Twintual makes an assistant that reads incoming messages, pulls in context, and drafts replies in the user's own voice. It also filters out noise across the workspace. The apps are available on the App Store and Google Play.
Her co-founder is Mat Bertrandy, who is chief technology officer.
Experience
This experience comes from official bios and from SEC filings. For roles taken from filings, the years are when the filings name Cristina Grau-Vilchez in the role, so the role may have started earlier or lasted longer.
Twintual Inc. Current
Co-Founder and CEO, director
2026 – Present · Cambridge, MA
Twintual drafts replies in each person's own voice across work channels, and by default the user approves each one before it sends.
Key Colleagues at Startups
The people Cristina Grau-Vilchez works with at each company, as listed on that company's latest Form D.
Twintual Inc. · Form D, Oct 22, 2026
Mathieu Bertrandy
Co-Founder and CTO, director