Matt Robben, Co-Founder and CTO at Serif Health, joins Mang-Git to share his career journey, detailing experiences in building complex systems like the EHR at One Medical and his current role as CTO at Serif Health. They dive deep into the complexities and strategic decisions involved in the build versus buy debate, using specific examples from Matt's career. The discussion includes the challenges of building an in-house electronic health record (EHR) system, the importance of focusing on core competencies, and how these decisions impact long-term business strategy.