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Dennis Gaffney earned his PhD in Accountancy from the University of Illinois at Urbana-Champaign.

His previous academic appointments include Michigan State University, the University of Toledo, UIUC, and LeMoyne College. Dennis is a CPA (Wisconsin and Illinois) and has also served as Professor in Residence at the National Office of the Internal Revenue Service.

Dennis has co-authored several textbooks involving federal taxation as well as many articles that have appeared in The Journal of Taxation, The Tax Adviser, Tax Notes, The CPA Journal, Taxation For Accountants, and Taxes – The Tax Magazine.

Angappa Gunasekaran has joined the University of Illinois at Springfield as a Professor of Business Administration in the College of Business and Management.

Prior to joining UIS, Dr. Gunasekaran was on the faculty of the Charlton College of Business, University of Massachusetts (Dartmouth) since 1998. He has held academic positions at Brunel University (UK), Monash University (Australia), the University of Vassa (Finland), the University of Madras (India), the University of Toronto, Laval University, and Concordia University (Canada). Dr. Gunasekaran has a PhD in Industrial Engineering and Operations Research from the Indian Institute of Technology (Bombay).

He has over 150 articles published in 40 different peer-reviewed journals. He has presented and published about 50 papers in conferences and given a number of invited talks in more than 20 countries. Dr. Gunasekaran is on the Editorial Board of 20 refereed journals. He is involved with several national and international collaborative projects that are funded by private and government agencies. Dr. Gunasekaran has organized several international conferences in the emerging areas of operations management and information systems. He has edited books that include, "Agile Manufacturing: The 21st Century Competitive Strategy" and "Knowledge and Information Technology Management: Human and Social Perspectives". Dr. Gunasekaran is the Editor of Benchmarking: An International Journal, Associate Editor of the Integrated Manufacturing Systems: The International Journal of Manufacturing Technology Management and the Regional Editor of the Supply Chain Management: An International Journal.

Dr. Gunasekaran has received the Thomas J. Higginson Award for Excellence in Teaching within the Charlton College of Business. He has edited several special issues for well known journals. Dr. Gunasekaran is currently interested in researching benchmarking, e-commerce, performance measures, logistics and supply chain management.