
Eric Foster
Founder and CEO of Tenex, an AI-native cybersecurity services company; former entrepreneur who built and sold a managed security services business to private equity and scaled companies to hundreds of millions in value.
Best podcasts with Eric Foster
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May 26, 2025 • 24min
EP227 AI-Native MDR: Betting on the Future of Security Operations?
Eric Foster, CEO of Tenex.AI, is revolutionizing the security services industry through AI innovations. He delves into why starting an AI-native Managed Detection and Response (MDR) service from scratch is a game changer. The discussion highlights the balance between human analysts and AI agents, exploring how their roles will shift in the next five years. Concerns about AI's accuracy in cybersecurity are addressed, alongside essential metrics organizations should prioritize when evaluating MDR efficacy. This insightful chat paves the way for the future of security operations.

Dec 1, 2025 • 1h 12min
How his AI-first services company grew $0 to $40M ARR in one year. | Eric Foster, Founder of Tenex
In this engaging conversation, Eric Foster, the founder and CEO of Tenex, shares his impressive journey from building a successful managed security service to launching an AI-native cybersecurity company that soared to $43 million in its first year. He highlights the importance of selling outcomes over products and explains why AI-native models will revolutionize the service industry. Eric also discusses rapid enterprise deal closures, the key to founder-led sales, and strategies for IPO readiness from day one—an invaluable insight for those in the startup world.


