The second 2nd Biennial Meeting of SIAM Pacific Northwest Section will take place October 18-20, 2019. The conference will bring together applied mathematicians in academia, national labs, and industry located primarily in the Pacific Northwest (PNW). The meeting will consist of plenary lectures, thematic sessions, contributed talks and student posters. Limited travel support is available for students from universities in the PNW including Oregon State! (We were the host for the first SIAM PNW in 2017).