John Van Siclen

Compuware Corp. engages in the provision of software solutions and professional services that optimize productivity and reduce costs across the application life cycle. It focuses on the development of mainframe software tools for the development and operations. The firm's products include topaz, topaz workbench, topaz for total test, hiperstation, xpediter, strobe, thruput manager, abend-aid, and application audit. The company was founded by Peter Karmanos, Jr., Thomas Thewes, and Allen B. Cutting in 1973 and is headquartered in Detroit, MI.

Interwoven, Inc. provides content management software and services. The firm specializes in web content management, enterprise search, web optimization, web marketing, web development and WCM sales. The company is headquartered in San Jose, CA.

SupportSoft, Inc. provides solutions that ensure business processes and related technology critical to real-time enterprises — as well as the digital services consumers have come to rely upon — work as planned.

Adesso Systems, Inc. develops and provides mobile computing application software and solutions. The company develops replication applications which perform replication of data, logic, and permissions in various devices and users. It offers services through systems integrators, value added resellers, and independent software vendors. Adesso Systems was founded in 2000 and is headquartered in Boston, MA.

Dynatrace LLC offers application performance management solutions. Its products include application performance monitoring, load, user experience management, synthetic monitoring and data center. The company was founded by Bernd Greifeneder, Sok-kheng Tang and Hubert Gerstmeyer in 2005 and is headquartered in Waltham, MA.

Perspecta, Inc. engages in the provision of end-to-end enterprise information technology services to government customers across the United States federal, state and local markets. It operates through the Defense and Intelligence; and Civilian & Health Care segments. The Defense and Intelligence segment supports missions, research and development for defense and intelligence laboratories, and personal security clearances. The Civilian and Health Care segment covers the civilian and health care agencies in state and local governments, homeland security, financial services, law enforcement, education, and enterprises. The company was founded by Damon Horowitz on May 24, 2018 and is headquartered in Chantilly, VA.

SIGOS Holding GmbH is an investment holding German company. The private company is based in Nuremberg, Germany. The CEOs are John van Siclen, Kevin Conal Burns. The company was founded in 2007.

Dynatrace SARL develops software applications. The private company is based in Boulogne-Billancourt, France. The CEO of the French company is John van Siclen.