Nylas, a leading provider of communication APIs, has appointed Jeff Koets as its new Chief Executive Officer, effective September 9, 2025, marking a new chapter of growth and innovation. Co-founder Christine Spang will transition from her interim CEO role back to the Nylas Board of Directors, continuing to guide the company as a founder and shareholder representative.
Nylas appoints Jeff Koets as CEO to lead global expansion efforts.
Christine Spang returns to the Board after serving as interim CEO.
Koets brings over 20 years of SaaS leadership experience to Nylas.
Focus on sustainable growth and enhanced go-to-market strategies.
Nylas powers billions of daily interactions via communication APIs.
Koets to scale platform for developers and enterprises worldwide.
Jeff Koets assumes the CEO role with over two decades of SaaS leadership, including six years as COO, where he successfully scaled revenue operations and navigated dynamic market shifts. Since joining Nylas earlier in 2025, Koets has driven the company’s go-to-market transformation, strengthening its product-led growth strategy and embedding operational rigor. “Jeff’s appointment marks the next ascent for Nylas,” said Christine Spang. “In just a short time, he has shown the clarity, conviction, and operational excellence needed to guide us forward. With Jeff leading the way, Nylas is well positioned to achieve—and exceed—our 2025 goals.”
As CEO, Koets will prioritize sustainable growth, robust go-to-market execution, and scaling Nylas’ platform to meet the needs of developers and enterprises globally. The company’s communication APIs enable productivity features, scheduling experiences, and workflow automation, powering billions of daily interactions for businesses worldwide. Koets’ proven track record in sales, product, and operations positions him to lead Nylas through a pivotal moment in AI-enabled communication media.
Christine Spang’s return to the Nylas Board of Directors ensures her visionary leadership continues to shape the company’s future. “On behalf of the Board, I want to thank Christine Spang for her 12 years of visionary leadership and dedication to Nylas, and we’re honored to welcome her continued guidance as she transitions to our Board of Directors,” said Kevin Kimsa, Co-Founder & Managing Partner at ScaleUP Ventures. This transition supports Nylas’ momentum as it builds on its mission to empower innovative applications through its API platform.
Nylas is poised for accelerated growth under Koets’ leadership, leveraging its industry-leading APIs to drive innovation and efficiency for developers and enterprises in a rapidly evolving digital landscape.
Nylas is the leading provider of communication APIs that enable developers and businesses to connect with the world’s most critical communications channels—email, calendar, and meetings—at scale. Companies around the globe rely on Nylas to power productivity features, scheduling experiences, and workflow automation, unlocking billions of interactions every day.
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