Brendan Madden

Brendan Madden

Chairman of the Board

Brendan Madden founded Tom Sawyer Software in 1992, and has since developed the company into a leading global provider of high-performance graph and data visualization and analysis systems. He is highly interested that the company does top quality work, and under his expert guidance, Tom Sawyer Software has received accolades for excellence in component-based software technology development from the U.S. National Institute of Standards and Technology.

Brendan brings his highly specialized knowledge of the software industry and intricate knowledge of other industry sectors to make invaluable contributions to the business strategy, product direction, operations, marketing, and worldwide sales of Tom Sawyer Software. With nearly thirty years of experience, Brendan is one of the world's foremost experts in graph and data visualization, graph layout, and graph analysis. He is also an expert in user experience and software architecture.

Prior to founding Tom Sawyer Software, Brendan was employed at the IBM Thomas J. Watson Research Center, the IBM Santa Teresa Laboratory, and Vitalink Communications.

Brendan has a Bachelor of Science degree in Applied and Engineering Physics from Cornell University and a Bachelor of Arts degree in Physics from Ithaca College. He attended graduate school in Electrical Engineering at Arizona State University.

Jans Aasman

Jan Aasman

Board Member

Jans Aasman is a Ph.D. psychologist and expert in cognitive science, as well as Chief Executive Officer of, an early innovator in artificial intelligence and provider of semantic graph databases and analytics (AllegroGraph). As both a scientist and Chief Executive Officer, Dr. Aasman continues to break ground in the areas of artificial intelligence and semantic databases as he works hand-in-hand with organizations such as BAE Systems, Montefiore Medical Center, Pfizer, Siemens, and Wells Fargo, as well as the United States and foreign governments.

Dr. Aasman is a frequent speaker within the semantic technology industry and has authored multiple research papers and bylines, and is one of 15 Chief Executive Officers interviewed in the book "Startup Best Practices." Dr. Aasman spent a large part of his professional life in telecommunications research, specializing in applied artificial intelligence projects and intelligent user interfaces. He gathered patents in the areas of speech technology, multimodal user interaction, and recommendation engines while developing precursor technology for the iPad and Siri from 1995 to 2004. He was also a professor in the Industrial Design department of the Technical University of Delft in the Netherlands, researching and teaching the use of intelligence in new consumer products.