Leadership Team

Andy Grolnick
Chief Executive Officer

Andy brings over thirty years experience building and leading high growth technology businesses in enterprise software, security, and storage. His focus on delivering high-value products, enabling customer success and fostering strong company cultures has been a formula for success.

Lennart Koopmann
Founder, Chief Technology Officer

Lennart founded Graylog as an Open Source project in 2009 to meet the needs of application developers, DevOps, and IT Ops teams. Since that time, he has led the transformation of Graylog into a robust enterprise application and established the company’s product and technology platform as one of the leading centralized log management solutions.

Sam Parikh
EVP Business and Corporate Development

Sam brings extensive large company and entrepreneurial enterprise leadership experience in sales, product management, marketing, and business development. A start-up veteran and change agent, he focuses on developing new platforms that drive material revenue growth.

Chief Financial Officer

Thanh brings over twenty years of leadership experience, including building, optimizing, and transforming financial functions, at growth-oriented and acquisitive technology companies.

Kimber Spradlin
Chief Marketing Officer

Kimber brings over 20 years experience guiding established and start-up companies to market leadership through integrated marketing strategies. She is an expert in the high-level and tactical aspects of successful technology marketing and she works to maintain a highly collaborative environment, and her hands-on approach drives innovative thinking into all aspects of successful marketing.

Joshua Ziel
VP Global Sales

From semiconductors to SaaS, and across large enterprises and pre-IPO startups, Joshua brings over 20 years of sales experience leading high-performance sales teams. His focus on the customer journey enables key partnerships with customers and community users alike. He holds a BS in Computer Engineering from Santa Clara University and an MBA from the University of California, Berkeley.

MArk Brooks
VP Customer Solutions

Mark began his Customer Success journey installing and troubleshooting Windows 95. His relentless focus on solving problems provides unparalleled Sales leadership for enterprise IT solutions.

Kay Roepke
VP of Product Management

Kay brings over 20 years of experience leading the strategy and delivery of enterprise application software. A technology visionary and performance-oriented and collaborative leader, he excels in launching new products, increasing revenue, and building customer loyalty.

Dörte Helm
VP of Engineering

Dörte brings broad expertise and 15+ years of experience building and leading multi-site software development teams focused on cutting-edge technology development and customer satisfaction.