Brian Peterson, co-founder and CTO of communications company Dialpad, discusses 5 key learnings from building a disruptive tech startup. These include: (1) the importance of culture and people, (2) how experience matters more than pedigree, (3) achieving product-market fit, (4) future-proofing through integrations and acquisitions, and (5) adapting to changes like COVID and hybrid work. Dialpad has grown significantly under Peterson's leadership to over 900 employees and a $1.2 billion valuation.