Professor of Mathematics  Office address:  Department of Mathematics  CB3250 Phillips Hall 305  University of North Carolina  Chapel Hill, NC 27599 USA  Phone:  Office:  919-962-9608  FAX:   919-962-2568  Email:  geissinger@math.unc.edu Photo taken in 2002 Family: Wife Shirley Children Amy, Eric, Anne

• 1959-1963, Indiana University, Bloomington IN, Ph.D. Mathematics
• 1956-1959, Bluffton College, Bluffton OH, B.S. Mathematics and History

• 1978-present, Professor of Mathematics, University of North Carolina at Chapel Hill
• 1989-98, Director of Math Projects and Fellow, Institute for Academic Technology
• 1977-78, Visiting Lecturer, Universitaet Ulm, Ulm, Germany
• 1967-1977, Associate Professor of Mathematics, UNC - Chapel Hill
• 1963-67, Assistant Professor of Mathematics, Purdue University, W. Lafayette IN
• 1962-63, Teaching Assistant,  Indiana University, Bloomington IN

• American Mathematical Society
• Mathematical Association of America
• Sigma Xi
• Consortium for Mathematics and its Applications
• Mathematicians and Education Reform
• Association of Mathematics Teacher Educators
• NC Council of Teachers of Mathematics
• TODOS:  Mathematics for ALL

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