Kathleen McMahon

Kathleen McMahon is a co-founder of Valthos, a company operating in the software development sector. Valthos valthos builds next-generation biodefense. Based in New York, New York, United States, Kathleen leads the company's strategic vision and day-to-day operations.

Under Kathleen's leadership, Valthos recently secured $30M in Seed funding on Oct 24, 2025, backed by investors including OpenAI Startup Fund. This funding milestone reflects strong investor confidence in both the founding team's execution capabilities and the company's market opportunity.

With fresh capital, Kathleen and the team are focused on scaling operations, expanding the product roadmap, and building out a world-class team. The software development market continues to see significant investment activity, positioning Valthos to capitalize on growing demand.For vendors and partners, this represents an ideal window to engage.