David Cook is a seasoned executive with extensive experience as a Chief Information Security Officer (CISO), advisor, and mentor, specializing in developing and leading world-class security programs for both startups and large enterprises. With a proven track record of scaling a company from $100 million to over $30 billion, Cook has successfully implemented security frameworks such as ISO 27001, SOC 2, HiTRUST, and FedRAMP across multiple organizations. He excels in aligning security strategies with business objectives, driving compliance, and enhancing operational efficiency. His expertise spans information security architecture, risk management, and IT operations, making him a trusted leader in the cybersecurity domain. Currently, as CISO at Sequoia Consulting Group, Cook is responsible for safeguarding the company’s physical and digital assets, while his advisory roles at Wiz and Gigamon further underscore his influence in the industry.

I'm excited to share my executive biography, capturing my journey and passion for technology, cybersecurity, and strategic innovation. My goal is to make technology accessible and efficient for businesses across sectors. Here is my biography.

Jeff Johnson is a seasoned technology executive with over 30 years of experience in IT management, consulting, and digital transformation. Known for his collaborative leadership and strategic vision, Jeff has driven substantial growth and operational efficiency across multiple industries, including healthcare, finance, and professional services. His expertise spans project management, software development, and revenue-focused business models, as seen in his impactful roles at companies like Timlin Enterprises and NaviSite. A graduate of Rensselaer Polytechnic Institute, Jeff combines a deep technical foundation with a results-oriented approach, making him a trusted advisor and mentor in the technology sector.