After completing his PhD in Applied Mathematics at Iowa State University in 1969, Dr. Erisman joined the mathematics research staff at the Boeing Company in Seattle, WA. His research work was in the field of sparse matrix computation. In 1990 he was named Director of Technology where he oversaw a research team of 250 mathematicians, statisticians, computer scientists, and engineers addressing leading edge applied research for the company. He was named one of the eleven inaugural Senior Technical Fellows of The Boeing Company in 1990. He is co-author of Direct Methods for Sparse Matrices with John Reid and Iain Duff, Oxford University Press (1986, second edition 2017).
After retiring from Boeing in 2001, he has been editor of Ethix Magazine, and executive in residence in the School of Business at Seattle Pacific University. He has authored and edited numerous books and articles, and currently working on A Mathematical Way of Seeing: Mathematics as a Liberal Art.