SIAM PNW Section

Welcome to the Pacific Northwest Section of the Society for Industrial and Applied Mathematics (SIAMPNWS)!

SIAMPNWS aims to bring together the different communities of the Pacific Northwest that are active in industrial and applied mathematics. Its goals are to enhance communication among its members, to promote collaboration for both basic research and applications of mathematics to industry and science, and to support the SIAM mission in the Pacific Northwest region of the US and Canada.

SIAMPNWS serves the Pacific Northwest region of the USA and Canada, defined here to comprise the states of Idaho, Oregon and Washington, and the province of British Columbia.


December 2021: Due to tightening security and COVID-19 restrictions , we are no longer able to host the biennial meeting at PNNL as originally planned. We have changed venue and date to the WSU Vancouver campus in Vancouver, WA, from April 8-10, 2022.

November 2021: The next virtual seminar is taking place on Nov 6 at 4 pm Pacific Time. See seminar series page for details.

July 2021: After consultation with the local organizing committee, we have determined that it will not be possible to hold the SIAM PNWS Biennial meeting in person at Pacific Northwest National Laboratory this Fall, due to continuing uncertainty surrounding the COVID-19 situation. Rather than holding an all-virtual meeting, we have elected to postpone the meeting until Spring of 2022. The new dates are April 1 - 3, 2022.

April 2021: Our first virtual seminar series of 2021 is taking place on April 6 at 4 pm Pacific time. See seminar series page for details.

February 2021: The 3rd SIAM PNWS Biennial meeting is now scheduled to take place from Oct 15-17, 2021, at Pacific Northwest National Labs in Richland, Washington. For more info, see the conference website at

October 2020: The Pacific Northwest Numerical Analysis Seminar (PNWNAS) was held virtually on Saturday, Oct 17. For more info, see

April 2020: The new slate of officers of our Section elected for the term April 2020-22 are listed below.

We send our warm congratulations to all those elected while we thank the Nominating Committee chaired by Bernard Deconinck (UW) with participation of Ben Adcock (SFU), Jodi Mead (Boise), and Ralph Showalter (OSU). We also appreciate very much all the candidates who made themselves available for serving our Section.


President: Grady Wright, Department of Mathematics, Boise State University -

Vice President: Lynn Schreyer, Department of Mathematics and Statistics, Washington State University -

Secretary: Thomas Humphries, Division of Engineering and Mathematics, University of Washington Bothell -

Treasurer: Bonni Dichone, Department of Mathematics, Gonzaga University -

Former Officers

2018 - 2020: President: Malgorzata Peszynska, Vice President: Katie Oliveras, Secretary: Nathan Ilten, Treasurer: Grady Wright.

2016 - 2018: President: Bernard Deconinck, Vice President: Malgorzata Peszynska, Secretary: Ben Adcock, Treasurer: Leming Qu.


If you would like to join the SIAM PNW Section mailing list, please email