Nylas Appoints Jeff Koets as Chief Executive Officer

Christine Spang returns to the Board as Jeff Koets steps in to lead Nylas’ next chapter of growth

SAN FRANCISCO – September 9, 2025 – Nylas, the leading provider of communication APIs powering the world’s most innovative applications, today announced that its Board of Directors has appointed Jeff Koets as Chief Executive Officer, ushering in a new phase of energy and execution for the company. Co-founder Christine Spang will transition from her interim CEO role back to the Nylas Board of Directors as a founder and shareholder representative.

Koets brings more than 20 years of SaaS leadership experience, including six years as COO, where he scaled revenue engines and navigated companies through shifting markets. Since joining Nylas earlier this year, he has been instrumental in advancing the company’s go-to-market transformation, strengthening its product-led growth strategy and embedding operational rigor that is already delivering measurable results.

“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.”

Kevin Kimsa, Co-Founder & Managing Partner at ScaleUP Ventures, added:

“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. Jeff is a seasoned executive with proven performance in sales, product and operations; joining Nylas at a catalytic moment of AI-enabled communication media. We are equally excited to usher in a new era of energy and growth under Jeff Koets’ leadership as CEO, as we continue building on Nylas’ mission and momentum.”

As CEO, Koets will focus on driving sustainable growth, strengthening go-to-market execution, and scaling Nylas’ platform to meet the needs of developers and enterprises worldwide.

About Nylas
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. To learn more, visit www.nylas.com.