In today’s complex market, we know you have many choices. That’s why we make it our business to offer products and services second to none.

Our team of experts serves as an extension of your office. We take away the stress of having to adjust staffing levels based on day-to-day demands and workload.

Plus, we earn the trust and confidence that comes only from developing long-term, personal relationships with each client.

Dennis Sesar, President

Dennis Sesar, president of Zenith Information Systems, Inc., has devoted his entire professional career to designing, developing and managing software systems. With over 35 years of diversified experience in both scientific and business related systems, he has repeatedly demonstrated his ability to successfully complete projects on time and within budget. Dennis holds a Bachelor of Science degree in Engineering, Master of Science degree in Computer Science and a Master of Business Administration degree from the University of California, Los Angeles.

Jeff Sesar

Jeff Sesar, vice president of Zenith Information Systems, Inc., has been with the company for over 43 years focusing on payments, process engineering and technology.  He is uniquely qualified to work closely with NACHA (National Clearing House Association) to develop new applications for bill presentment, tax payments, mobile payments and electronic data interchange via the Automated Clearing House network. Jeff earned a Bachelor of Science degree in Accounting and Finance from the University of Southern California.