# Kayvon Beykpour > Co-founder of Periscope Previous: Head of Product & GM of Consumer at Twitter. I managed teams over 1000+, helped roughly double the number of daily active users at Twitter while evolving the product and increasing our pace of innovation. Co-founder of Periscope (acquired by Twitter for $120M), the mobile live streaming app. Periscope grew to over 100 million users with tens of millions of monthly actives. I’m also an active seed investor in early-stage tech companies. I’ve invested in companies like Eero, Tonal, Span.io, LiveKit.io, Writer.com, Frec, XMTP, Buzzer, Pietra Studio, Bitski, Magic, Scenery and many more Things I can advise on: - Validating a product or startup idea - Product design and UX - Fundraising advice - Negotiation advice (are you raising? Are you being acquired?) - Growth tactics - Hiring & Managing teams - Operating Teams at scale - Getting shit done at a big company I love helping others, talking about building things, and problem solving.. so if you think I can be useful to you on any of the above, you’re welcome to book a session with me! **Rating:** 5/5 (14 reviews) ## Offerings - Video call (15 min): $700.00 ## Subscription Plans - Scaling products & teams — 1:1 Advisor (Full Access) ($4000.00/month) - Scaling products & teams — 1:1 Advisor (Deep Dive) ($1400.00/month) ## 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](/kayvon) - [Avatar](https://media.intro.co/avatars/459588se-cXAmM.jpg) - [Marketplace](/marketplace)