Zack envisioned a cleaner and greener environment and started the first all-digital reprographics company in California in 1998 and, to date it continues to compete with the largest rival in the industry.

As a resident entrepreneur at the Center for Entrepreneurship, Zack has been mentoring students in project-based learning. His interest is in the area of entrepreneurial capacity building. In an effort to enhance the enterprise experience and entrepreneurship education, he founded The National Entrepreneurship and Small Business Academy (NESBAcademy.com), Co-founded, with his mentor Dr. Michael Ames, Titan Entrepreneurs Network, and conceptualized and laid the ground work for the Titan Venture Fund and Fundapreneur.com

As a social entrepreneur who, as an immigrant himself, Zack has established a non-profit organization. The Sudanese-American National Affairs and Development Foundation is now in its sixth year of operation. In addition to a Saturday school, SANAD organizes cultural events and seminars and affords a sense of belonging and community that provides the young children with knowledge and pride of their heritage. SANAD Also teaches its members U.S. civics and citizenship to bridge the cultural understanding gap between parents and their children.

In addition to appearing on the Los Angeles KTLA Channel 5's "Making It!" show featuring business success stories of minority entrepreneurs, Zack has been featured on the cover of Entrepreneur Magazine, and Modern Reprographics Magazine. He has been nominated twice for the Ernest and Young's "Entrepreneur of the Year Award”, and four times for Orange County Business Journal's "Excellence in Entrepreneurship Award".

Zack is an alumnus of California State University, Fullerton having received his MBA with a concentration in Entrepreneurship from this organization. Zack received his BS in Architecture from the University of Khartoum, Sudan.