Jim received his PhD in Applied Mathematics from Brown University.
He has served in positions in the US Air Force, including Assistant
Chief Scientist at the Air Force Systems Command. He was a program
manager for applied and computational mathematics at the Defense
Advanced Research Projects Agency (DARPA) and served as the directorate
head for Mathematics and Information Sciences at the Air Force
Office of Scientific Research. He was also a tenured associate
professor at the US Air Force Academy.
Director Finance & Administration
Susan is a Certified Public Accountant who received her Bachelor
of Science in Accounting from Villanova University. She began her
career as a senior auditor at the firm of Main Hurdman. From
there she went to the Academy of Natural Sciences, first as Controller
and then as Vice President of Finance and Administration. In
1999 she became SIAM’s Director of Finance and Administration. Susan
is responsible for customer service, facility
management, personnel and legal matters. She provides general
oversight of all budgetary and financial matters of the Society.
Bill has a PhD in mathematics from the University of Maryland.
Before becoming SIAM's Technical Director, he was a faculty member
in mathematics at The American University in Washington DC, a systems
engineer and manager at Stanford Telecommunications (now part of
ITT) and a Member of the Technical Staff at Bell Laboratories in
Holmdel, NJ. He is a consultant to SIAM staff on issues in applied
mathematics and computation, develops SIAM funding proposals, and
manages special funded projects.
Colleen M. Sheridan
Assistant to the Executive Director
Colleen provides administrative oversight to the Board of Trustees, Council, and Officers of SIAM. Before joining SIAM Colleen held senior administrative positions at Princeton University, International SOS, and Trans World Express/Pan Am Express. She holds an Associate of Arts Degree from Bucks County Community College, and professional development certifications from the American Management Association.
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