John Jack

JJ has over 32 years of sales, marketing, and executive management experience. JJ served as the CEO and President of Fortify Software Inc., which was acquired by Hewlett-Packard. He served as the President of OS Group, LLC and served as its CEO for 3 years.

He served as the President and CEO of Shaman Corporation and as the COO of The Vantive Corporation, where he was responsible for worldwide sales, consulting, support, channel, and education organizations. He began his career at Sybase as one of the first sales representatives and eventually became SVP of sales.

John Jack is the Principal at Castle Peak Group, based in United States, North America. With a background in Textiles, John Jack has a rich history of leadership and innovation. John Jack studied BS Finance @ University of California Berkeley. Explore their detailed professional journey, key connections, and contributions to the industry on our platform.