CriticalBlue helps its customers get optimal performance when running software on their chosen hardware platform. CriticalBlue's performance engineering experts deploy smart analysis and implementation tool technology aimed at identifying and fixing subtle performance bottleneck issues at the hardware / software boundary.

Customer engineers gain significant productivity and skill gains from this process and are able to take on such performance engineering work themselves over time. The company has been working for over 10 years to create tool technology and a team of experts, and is perfectly positioned to help its customers achieve the best performance possible on Android and Linux based multiprocessing systems.


  • 2001 - The founders have the first ideas about forming a company that eventually turns into CriticalBlue
  • 2002 - Seed funding received from angel investors and core team assembled
  • 2003 - Venture Capital funding received and initial development team completed
  • 2004 - Prototype of Cascade coprocessor synthesis technology
  • 2005 - Market launch of Cascade
  • 2006 - Offices opened in Japan and USA
  • 2007 - Recognition that technology aimed at helping with software partitioning for multicore was a very large market opportunity
  • 2008 - Prototype of Prism technology platform, focused initially on sequential to mutithreaded software migration
  • 2009 - Prism technology platform launched. Best in Show technology award at Embedded Systems West
  • 2010 - Broad support of all major multiprocessing platforms within Prism
  • 2011 - Addition of key memory access and cache hit analysis capabilities to Prism
  • 2012 - Sharpening of services-lead business, delivering performance optimization solutions mainly on embedded Linux and mobile Android platforms
  • 2013 - Leveraging Prism into system-wide analysis and expanding services to diversify into automotive & virtualized enterprise-level systems
  • 2014 - Continued penetration in mobile software optimization market while started analysis of mobile data security opportunities
  • 2015 - Expanded market analysis of mobile security opportunity while building IP patent foundation and interacting with Gartner
  • 2016 - Leveraging dynamic runtime code instrumentation technology to enter endpoint security market by launching the Approov App Authentication service

Board of Directors

David Stewart (Founder and CEO)

David has over 20 years experience in the EDA and semiconductor industries. This includes 10 years at Cadence where he was a founder and Business Development Director of the System-on-Chip (SoC) Design facility at the Alba Campus in Scotland. This initiative attracted worldwide interest and the Design Centre grew to 200+ people in its first 18 months. Before Cadence he was a chip designer, with spells at LSI Logic, NEC Electronics and National Semiconductor. David has served on the board of several technology startups and one venture capital firm.

Richard Taylor (Founder and CTO)

Richard has significant experience in leading engineering groups in system, silicon and software design. Richard's technical specialization in compiler technology and processor micro-architecture. He spent a number of years developing advanced code generation and code optimization techniques for a range of microprocessor architectures before co-founding CriticalBlue to exploit new innovations in processor micro-architecture and code compilation techniques.

Kathryn Kranen (Board Member)

Kathryn Kranen has over 20 years EDA industry experience and a proven management track record. She is President and CEO of Jasper Design Automation leading Jasper's team in successfully bringing the company's pioneering technology to the mainstream design verification market.

Previously she served as president and CEO of Verisity Design, Inc., US headquarters of Verisity Ltd., Kathryn and the team she built created an entirely new market in design verification. (Verisity later became a public company, and was the top-performing IPO of 2001.) Prior to Verisity, Kathryn was vice president of North American sales at Quickturn Systems. She started her career as a design engineer at Rockwell International, and later joined Daisy Systems, an early EDA company.

In 2009, she was named one of the EE Times' Top 10 Women in Microelectronics. In 2012, Kathryn became a member of the board of trustees of the World Affairs Council or Northern California. Kathryn is serving her sixth term on the EDA Consortium board of directors, and was elected its chairperson in 2012. In 2005, Kathryn was recipient of the prestigious Marie R. Pistilli Women in Electronic Design Automation (EDA) Achievement Award. Kathryn graduated Summa cum Laude from Texas A&M University with a B.S. in Electrical Engineering.

Lucio Lanza (Board Member)

Lucio founded Lanza techVentures, an early stage venture capital and investment firm, in January 2001. Lucio has been general partner and chief technology strategist of Radnorwood Capital, LLC, since 2008. In 1990, he joined US Venture Partners as a venture and general partner. From 1990 to 1995, he independently consulted to technology companies, including Cadence Design Systems, Inc.

Previously, Lucio was CEO of EDA Systems, Inc.; VP of Marketing and later as GM at Daisy Systems Corp.; in strategy and innovation at Intel Corp; and in processor architecture and design at Olivetti Corporation. Lucio serves on the board of directors of several private and public companies. He holds a doctorate in electronic engineering from Politecnico of Milano.