Research positions

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1999 - Associate Editor, International Journal of Agile Manufacturing
1998 - Guest Editor, Journal of Intelligent Manufacturing
1998 - Guest Editor, Computer-Aided Design, Elsevier Publishers
1997 - Associate Editor, International Journal of Shape Modeling, World Scientific Publishing
1996 - Editorial Board, International Journal of Manufacturing Engineering

1999 - Conference Co-Chair, Computer Graphics International, Canada
1999 - Program Committee Chair, 4th ASME Design for Manufacturing Conference
1998 - Conference Chair, 3rd ASME Design for Manufacturing Conference, Design Engineering and Technical Conference Atlanta, Georgia
1997 - Program Chair, 2nd ASME Design for Manufacturing Conference, San Jose, California
1997 - Course Chair, Implicit Modeling Techniques Course, IEEE International Conference on Shape Modeling and Applications, Aizu-Wakamatsu, Fukushima, Japan
1996 - Course Chair, Implicit Surfaces for Computer Graphics and Geometric Modeling Course, ACM SIGGRAPH'96, New Orleans
1996 - Area Chair, 1st ASME Design for Manufacturing Conference, Irvine, California

2000 - IEEE/GMS Geometric Modeling and Processing 2000, Hong Kong
1999 - ACM Conference on Solid Modeling, Michigan
1999 - IEEE Conference on Shape Modeling and Applications, Aizu-Wakamatsu, Japan
1999 - IFIP International Conference on Visual Computing, Bangalore, India
1999 - 32nd ISATA on Automotive and Transportation, Vienna, Austria
1998 - Automotive Mechatronics Design and Engineering, Germany
1998 - ACM-SIGGRAPH Workshop on Implicit Surfaces, Seattle, Washington
1998 - 31st ISATA, Dusseldorf, Germany
1998 - Computer Graphics International 98, Hanover, Germany
1998 - CSG98 Set Theoretic Solid Modelling: Techniques and Applications, UK
1997 - GVU TeamCAD Workshop, Graphics, Visualization and Usability Center, Georgia Institute of Technology, Atlanta,Georgia

1997 - IEEE International Conference on Shape Modeling and Applications, Aizu-Wakamatsu, Japan
1996 - Eurographics/ACM-SIGGRAPH Workshop on Implicit Surfaces, Netherlands, October
1996 - CSG96 Set Theoretic Solid Modelling: Techniques and Applications, Winchester, UK

1998 - PhD Thesis Committee, Fang Lixing (Advisor: Y.T. Lee), Computer Science, University of Singapore, Singapore
1997 - PhD Thesis Committee, D. Kang (Advisor: Q. J. Ge), Mechanical Engineering, SUNY, Stony Brook, Graduated
1997 - PhD Thesis Committee, T. Dani (Advisor: R. Gadh), Mechanical Engineering, University of Wisconsin, Madison
1996 - Visiting Professor, Computer Science, University of Berne, Berne, Switzerland
1996 - Adjunct Professor, Manufacturing Engineering, Polytechnic University (formerly the Polytechnic Institute of New York), New York
1996 - MS Thesis Committee, J. Guo (Advisor: B. Guo), York University, Toronto, Canada
1996 - PhD Thesis Committee, Chu-Fei Chang (Advisor: A. Varshney), Computer Science, SUNY, Stony Brook
1996-97 - PhD Thesis Committee, K. Starcher (Advisor: A. Varshney), Computer Science, SUNY, Stony Brook
1995 - Industrial Advisory Board, Mechanical Engineering, University of Wisconsin

1998 - Co-Principal Investigator, "Kinematics Driven Geometric Modeling for Virtual Design and Manufacturing",NSF Grant DMI 9800690, Prof. Qiadoe Jeff Ge and Prof. Amitabh Varshney (SUNY, Stony Brook), (approx. $300K)
1997 - NSERC (National Sciences and Engineering Research Council), Review Panel, Canada

1995 - Regional Council of Technical Societies (RCTS)
1993 - Several IBM R&D Committees
1992 - American Society of Mechanical Engineering (ASME)

1992 - Association of Computing Machinery (ACM)
1992 - Institute of Electrical and Electronics Engineers (IEEE)
1994-96 - Chairman, Computers in Engineering technical chapter, ASME Westchester Section
1994-96 - Executive Planning Committee, ASME Westchester Section