# David Wiesen > Co-founder of Nextdoor ($1B+ IPO) Co-founder and former Principal Architect at Nextdoor ($1B+ IPO, NYSE: KIND) Now Member of Technical Staff at OpenAI, focused on large-scale systems for AI. Previously Staff Software Engineer at Stripe (money movement) and Engineering Lead at Google (global tools). I enjoy helping founders and engineers turn technical ideas into scalable, enduring products. Things I can advise on: ✔️ How to find a technical co-founder ✔️ Building MVPs as a founding engineer ✔️ Scaling engineering orgs ✔️ Structuring internal tools ✔️ Managing global technical teams ✔️ Advice on tech infrastructure ✔️ Transitioning from startup to public company Excited to share lessons from scaling Nextdoor and building at world-class orgs like Google and Stripe. **Rating:** 5/5 (2 reviews) ## Offerings - Video call (15 min): $400.00 ## Example Questions - I’m thinking of starting a company. What are the next few things I should focus on? - How do I know if my business idea will work? - How would you approach growth for my business? - What key metrics should I aim for at different stages to be a best in class company? ## Links - [Expert profile](/DavidWiesen) - [Avatar](https://media.intro.co/avatars/13101783i9XQRGY.jpg) - [Marketplace](/marketplace)