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EDITORS AND CONTRIBUTORS 225
and the University of Ancona as a research assistant. In November 1998 he joined the Mechanized
Reasoning Group (MRG) at University of Trento as postdoctoral researcher. In December 1998 he
was visiting researcher in the Computer Science Department of the University of Toronto (Canada),
and more recently he was visiting researcher in the Software Engineering Department of the Uni-
versity of Technology in Sydney. He has worked on the development of requirements and design
languages for agent-based systems, and the application of knowledge representation techniques
to software repositories and software development. He is one of the founders of Tropos, an agent-
based–oriented software engineering methodology. His publication list includes more than 130
refereed journal and conference proceedings papers and eight edited books. He has contributed,
as chair and program committee member, to the organization of international conferences such
as CoopIS, ER, CAiSE, AAMAS, EUMAS, AOSE, AOIS, and ISWC. He is co-editor-in-chief of
the International Journal of Agent-Oriented Software Engineering (IJAOSE).

Thomas Graser is currently a systems analyst and has over twenty years experience in the software
engineering field in both research and practice. He is a software architecture evangelist, helping
organizations define architectures that add value to the software development life cycle and play
an active role in decision making during system design and configuration. He emphasizes defining
architectures in a rational manner where measurement is used to demonstrate that the architecture
meets requirements and provides justification for architecture refinement. He has served numerous
roles in the software development life cycle including project manager, requirements engineer,
architect, and developer. His software development experience encompasses a wide range of plat-
forms and environments from IBM mainframes to Microsoft .Net. He also shares his knowledge
and experience by teaching and supervising students in the Executive Software Engineering M.S.
Degree Program at the University of Texas at Austin.

Bill C. Hardgrave is the Edwin and Karlee Bradberry Chair in Information Systems and execu-
tive director of the Information Technology Research Institute in the Sam. M. Walton College
of Business at the University of Arkansas. His research on software development (primarily
people and process issues) has appeared in MIS Quarterly, Journal of Management Informa-
tion Systems, Communications of the ACM, IEEE Software, IEEE Transactions on Software
Engineering, IEEE Transactions on Engineering Management, DATA BASE for Advances in
Information Systems, Information and Management, and Educational and Psychological Mea-
surement, among others.

Orit Hazzan is an associate professor in the Department of Education in Technology and Sci-
ence of the Technion Israel Institute of Technology. Her main research topic—human aspects
of software engineering—deals with cognitive and social issues of software engineering in
general and of agile software development in particular. She is co-author (with Jim Tomayko)
of Human Aspects of Software Engineering (Charles River Media, 2004). She combines her
academic research with consulting to Israeli software development companies with respect
to the assimilation of agile methods and change management. She has presented her work at
computer science and software engineering education conferences as well as at the Agile and
XP conferences.
Brian Henderson-Sellers is director of the Centre for Object Technology Applications and
Research and professor of information systems at the University of Technology, Sydney (UTS).
He is author or editor of twenty-eight technical books, co-editor of the ISO standard 24744 (“SE