Computer engineer and consultant with more than two decades of industry experience developing software for embedded systems and mobile apps powered by Android, Linux, Windows, and real-time operating systems such as VxWorks. Specialist in source code and system security review as well as reverse engineering of complex smartphone software and other complex technical products.

Formal Education

  • B.S. in Computer Engineering, Iowa State University

Career Highlights

  • Developed a variety of embedded software for Microchip PIC16, PIC18, PIC24, PIC32, STMicroelectronics STM32, NXP Kinetis, Renesas Synergy, TI MSP430, and x86 processors
  • Led ports of various operating systems, including Android, Linux, Windows CE, and VxWorks kernels to TI OMAP, NXP, XScale, and other processor families
  • Wrote and redesigned various parts of a commercial real-time operating system (RTOS), including major components such as virtual memory management, transparent messaging, exception handling, asynchronous notifications, and distributed inter-process communication
  • Modified the open source GDB and TGDB debuggers to support remote debugging of the same commercial RTOS

Expert Qualifications

  • Used the Wireshark wireless network traffic monitoring and analysis tool as well as the Fiddler man-in-the-middle tool to document the flow of encrypted traffic data between endpoint devices, such iPhones, and cloud-based servers in Apple's iMessage communications protocol
  • Consultant on a pre-litigation software reverse engineering assignment to understand how the "Like" button on the Facebook mobile app works in the app and in regard to communication with cloud servers
  • Performed reverse engineering of low-level Apple iOS boot processes and related bootloader steps in relation to the claims of a family of patented computer security systems and methods in support of preliminary infringement contentions

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Frequently Asked Questions

What types of cases can this expert support?

Cases involving smartphone and mobile app functionality, embedded systems security, and firmware issues. Their expertise spans automotive, medical devices, IoT, industrial controls, and telecommunications. Strong on reverse engineering and source code security review—relevant for patent disputes and technical disputes over how systems work.

What is this expert's technical background?

Twenty years in embedded systems and mobile software development. They've ported Android, Linux, Windows CE, and VxWorks kernels to multiple processor families, redesigned core RTOS components like memory management and inter-process communication. B.S. in Computer Engineering from Iowa State University.

What technologies does this expert specialize in?

C, C++, Python, Java, and assembly language. Platforms include Android, iOS, Linux, Windows, and VxWorks RTOS. They work regularly with network protocols, reverse engineering, and operating system internals—tools like Wireshark and Fiddler for traffic analysis.