The podcast for leaders in software development to talk about the future of SaaS.

Platform Builders

In this inaugural episode of Platform Builders, hosts Christine Spang and Isaac Nassimi of Nylas welcome Justin Belobaba, Founder and CEO of Nowsite. Justin shares his journey from finance to tech entrepreneurship and offers insights on the importance of failing fast, why startups must be willing to pivot, and how AI is shaping the future of solopreneurship. If you’re building a business—or just fascinated by the power of AI—you won’t want to miss this conversation.

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Platform Builders - Ep. #1, The Future of CRM is No CRM with Justin Belobaba

In episode 2 of Platform Builders, Jamie Davidson, CEO of Vitally, joins Christine Spang and Isaac Nassimi to discuss the evolution of customer success platforms. They explore Vitally's journey from a customer data tool to a comprehensive platform, the strategic decisions behind product development and fundraising, and the impact of AI on the future of customer success. Davidson also shares insights on innovating customer engagement and building a platform that empowers both customer success teams and the wider business.

Platform Builders - Ep. #2, Charging Customers was a Mistake with Jamie Davidson

In this episode of Platform Builders, Christine Spang and Isaac Nassimi chat with Ben Rubin about the evolution of software development, from the early days of the internet to the current age of AI. They discuss the impact of AI on B2B SaaS, the challenges of building platforms in a rapidly changing landscape, and the future of user experience. Ben shares his experiences and insights on how developers and businesses can adapt to thrive in this new era.

Platform Builders - Ep. #3, Building Platforms in the AI Era with Ben Rubin of Verify

In episode 4 of Platform Builders, Christine Spang and Isaac Nassimi interview Ray Zhou, co-founder of Affinity, about his journey building the company, the evolution of the SaaS market, and the transformative potential of AI. Ray shares insights on scaling a business, the importance of focusing on the problem, and how SaaS companies can adapt to thrive in an AI-driven future.

Platform Builders - Ep. #4, Building Affinity: From College Dropout to SaaS Leader with Ray Zhou

In episode 5 of Platform Builders, Christine Spang and Isaac Nassimi chat with Scott Mitchell, former CTO of Salesloft, about the challenges and triumphs of scaling a high-growth B2B SaaS company. Scott shares his experiences navigating hyper-growth, from tackling critical infrastructure bottlenecks to fostering a culture of adaptability. They also explore the evolution of sales technology and the impact of AI on the future of sales engagement.

Platform Builders - Ep. #5, Maxed out on AWS, Still Falling Over with Scott Mitchell

Heavybit is the leading early-stage investor in enterprise infrastructure. Since 2013, we've helped launch and scale visionary technical startups—from DevSecOps and feature flagging to AI code generation and beyond. We go hands-on from day 0, backing founders as they turn code into companies and build the future of software from the bottom up to the top down.