About Us

The reports offered by Open Hazards Disclosures are tabulated and compiled by the Open Hazards Group, which specializes in assessing, forecasting, and mitigating catastrophic events including earthquakes, floods, wildfires, and hurricanes. The Open Hazards Group combines the expertise of engineers, mathematicians, scientists, and business people and utilizes modern methods of statistical and stochastic analysis.

The Open Hazards Team

James Holliday, PhD

James Holliday is a Research Scientist at UC Davis and former President of Xerasys, Inc. He earned a BS in Physics at the University of Kansas, an MS at the University of Illinois, and a PhD in Physics at UC Davis.

Nelson Page, PhD

Nelson Page is a Software Engineer at FactSet Research Systems. He earned both a BS and a PhD in Physics from UC Davis.

Dave Calfee

Dave Calfee is a principal at Calfee & Konwinski, a professional corporation in Woodland, California. He earned his degrees from Stanford University and Yale Law School and has been practicing law in California since 1972 with an emphasis on real estate.

Michael Graves

Michael Graves earned his undergraduate degree from Princeton University and has eight years' experience in technical sales, including areas with international scope.

Christian D'Souza, MBA

Christian D'Souza earned his undergraduate degree in Economics and worked in the financial services industry for over 10 years. He earned his MBA at UC Davis and founded BRUBAR Energy Bar in 2010. He also currently teaches an Economics class at Sacramento City College.

Bill Graves, PhD

Bill Graves has worked as the Director of the Systems Science Lab and the Acting Director of Test and Measurements, Schlumberger. He was the first President and CEO of Cisco Systems (1987-1988). Bill Graves earned a BS in Physics from MIT in 1969, served in the US Army Reserve from 1969-1975, and then completed a PhD in Physics at UC Berkeley in 1977.

The Open Hazards Group has no affiliation to UC Davis. All references to UC Davis and other academic institutions are provided as biographical details only.