Felix Lenhard
Home About Speaking Books Consulting Content Blog Contact
← All Posts

Tag: Idea Validation

1 articles

frameworks

The 5-Conversation Sprint for Idea Validation

Validate any business idea in one week with five structured conversations. A fast, cheap framework that prevents building the wrong thing.

Jan 14, 2026
Felix Lenhard

AI-Native Business Builder. Author. Keynote Speaker.

HomeAboutSpeaking BooksConsultingContentBlogContact
felix@felixlenhard.com LinkedIn YouTube
© 2026 Vulpine GmbH. All rights reserved.
ImprintPrivacyTerms