Prior to starting Clustrix, Paul was the founder and director of engineering at Isilon Systems, the proven leader in scale-out NAS storage solutions. After five years, Isilon achieved the best opening performance for a technology IPO in the previous six years. Paul designed, architected, and developed all of Isilon’s products while building the engineering team to 50 people, the company to 200 people, and revenue to $100M. He was responsible for many of Isilon’s key patents. As director of engineering, he established and executed long-term architectural goals, and maintained a close relationship with marketing, sales, and customers to produce Isilon’s highly successful product roadmaps.
Before Isilon, Paul was the development manager for all of RealNetworks infrastructure products, including RealServer, RealProxy/Cache, and the distributed Live Real Streaming system.
Paul earned a Bachelor’s Degree in Computer Science from the University of Washington.
Aaron Passey
Chief Technology Officer
Before joining Clustrix, Aaron was the chief architect for Isilon Systems. Starting in the early years of Isilon, he architected the industry-changing OneFS distributed file system from scratch, and was named as an inventor on 26 patents. He was responsible for the technical direction of the product that took Isilon to over $115M annual revenue. As chief architect, he maintained close ties with engineering, sales, marketing, customers, and vendors in order to maintain the rapid pace of innovation critical to Isilon’s success.
Prior to Isilon, Aaron designed code for the I/O subsystem of Cray super computers.
Aaron earned a Bachelor of Science degree from the California Institute of Technology.
Daniel Liddle
Director of Marketing and Business Development
Dan is Director of Marketing and Business Development at Clustrix. In this role, Dan is responsible for product marketing, product management, public relations, channels marketing, marketing communications and strategic business development. Dan brings nineteen years of experience driving outbound and inbound marketing as well as business development for technology start-ups delivering new solutions to enterprise and Internet companies.
Prior to Clustrix, Dan was vice president of marketing for stealth-mode startup Maxiscale, and file virtualization vendor Attune Systems (acquired by F5 Networks). Before Attune, Dan was senior director of marketing and business development at NeoPath Networks, a storage virtualization vendor that was acquired by Cisco. Dan also held marketing roles at First Virtual Corporation (a successful IPO), Whitetree Networks (acquired by Ascend/Lucent), and layer-3 routing pioneer Advanced Computer Communications (acquired by Ericsson).
Dan holds an MBA in strategic marketing from the University of Michigan, and a bachelor’s degree from the University of California in Santa Barbara.
Sergei Tsarev
Founder / Director of Software Engineering
Sergei led the Internet Operations Systems Infrastructure team at AOL, designing large-scale monitoring and configuration management systems. Sergei’s accomplishments include developing the Simple Time-series Database (STDB), a high performance data storage engine for operational monitoring metrics. STDB uses commodity hardware to linearly scale to hundreds of thousands of writes per second. It has become the standard storage engine for network and host monitoring data for all of AOL, replacing traditional high-end database infrastructure.
Sergei earned a bachelor of science degree in computer science from University of Maryland, College Park.
Scott Sullivan
Director of Operations and Quality Assurance
Since he first started programming in 1980, Scott has been a dedicated computer hobbyist and professional, leading teams and catalyzing innovation. Most recently at Infospace, he drove performance testing and service expansion for Cingular/AT&T and Verizon’s mobile Web portals, serving all Internet traffic for their mobile subscribers. Previously, Scott directed software quality assurance and data center operations at Isilon Systems, achieving enterprise reliability, resilience and quality across the company’s clustered file storage product line. As an early employee at Isilon, Scott developed software quality processes and teams to support the company’s first paying customers, and helped grow revenue to $115M.
Earlier roles at MusicNet, Wonderhorse, Getty Images, Microsoft, and Nintendo kept Scott focused on building highly scalable, enterprise quality products, services and teams.
Management Team
Founder / CEO / VP of Engineering
Prior to starting Clustrix, Paul was the founder and director of engineering at Isilon Systems, the proven leader in scale-out NAS storage solutions. After five years, Isilon achieved the best opening performance for a technology IPO in the previous six years. Paul designed, architected, and developed all of Isilon’s products while building the engineering team to 50 people, the company to 200 people, and revenue to $100M. He was responsible for many of Isilon’s key patents. As director of engineering, he established and executed long-term architectural goals, and maintained a close relationship with marketing, sales, and customers to produce Isilon’s highly successful product roadmaps.
Before Isilon, Paul was the development manager for all of RealNetworks infrastructure products, including RealServer, RealProxy/Cache, and the distributed Live Real Streaming system.
Paul earned a Bachelor’s Degree in Computer Science from the University of Washington.
Chief Technology Officer
Before joining Clustrix, Aaron was the chief architect for Isilon Systems. Starting in the early years of Isilon, he architected the industry-changing OneFS distributed file system from scratch, and was named as an inventor on 26 patents. He was responsible for the technical direction of the product that took Isilon to over $115M annual revenue. As chief architect, he maintained close ties with engineering, sales, marketing, customers, and vendors in order to maintain the rapid pace of innovation critical to Isilon’s success.
Prior to Isilon, Aaron designed code for the I/O subsystem of Cray super computers.
Aaron earned a Bachelor of Science degree from the California Institute of Technology.
Director of Marketing and Business Development
Dan is Director of Marketing and Business Development at Clustrix. In this role, Dan is responsible for product marketing, product management, public relations, channels marketing, marketing communications and strategic business development. Dan brings nineteen years of experience driving outbound and inbound marketing as well as business development for technology start-ups delivering new solutions to enterprise and Internet companies.
Prior to Clustrix, Dan was vice president of marketing for stealth-mode startup Maxiscale, and file virtualization vendor Attune Systems (acquired by F5 Networks). Before Attune, Dan was senior director of marketing and business development at NeoPath Networks, a storage virtualization vendor that was acquired by Cisco. Dan also held marketing roles at First Virtual Corporation (a successful IPO), Whitetree Networks (acquired by Ascend/Lucent), and layer-3 routing pioneer Advanced Computer Communications (acquired by Ericsson).
Dan holds an MBA in strategic marketing from the University of Michigan, and a bachelor’s degree from the University of California in Santa Barbara.
Founder / Director of Software Engineering
Sergei led the Internet Operations Systems Infrastructure team at AOL, designing large-scale monitoring and configuration management systems. Sergei’s accomplishments include developing the Simple Time-series Database (STDB), a high performance data storage engine for operational monitoring metrics. STDB uses commodity hardware to linearly scale to hundreds of thousands of writes per second. It has become the standard storage engine for network and host monitoring data for all of AOL, replacing traditional high-end database infrastructure.
Sergei earned a bachelor of science degree in computer science from University of Maryland, College Park.
Director of Operations and Quality Assurance
Since he first started programming in 1980, Scott has been a dedicated computer hobbyist and professional, leading teams and catalyzing innovation. Most recently at Infospace, he drove performance testing and service expansion for Cingular/AT&T and Verizon’s mobile Web portals, serving all Internet traffic for their mobile subscribers. Previously, Scott directed software quality assurance and data center operations at Isilon Systems, achieving enterprise reliability, resilience and quality across the company’s clustered file storage product line. As an early employee at Isilon, Scott developed software quality processes and teams to support the company’s first paying customers, and helped grow revenue to $115M.
Earlier roles at MusicNet, Wonderhorse, Getty Images, Microsoft, and Nintendo kept Scott focused on building highly scalable, enterprise quality products, services and teams.