Polygenic Transcriptome Risk Scores Improve Cross-Ancestry Portability of Risk Prediction for Pulmonary Function in the NHLBI Trans-Omics for Precision Medicine Program Xiaowei Hu, University of Virginia; Dandi Qiao, Channing Division of Network Medicine, Brigham and Women's Hospital; Wonji Kim, Channing Division of Network Medicine, Brigham and Women's Hospital; Matthew Moll, Channing Division of Network Medicine, Brigham and Women's Hospital; Pallavi P Balte, Columbia University; Leslie A Lange, School of Medicine Anschutz Medical Campus, University of Colorado ; Traci M Bartz, University of Washington; Rajesh Kumar, Division of Allergy and Clinical Immunology, Ann and Robert H. Lurie Children's Hospital; Xingnan Li, University of Arizona; Bing Yu, Human Genetics Center, The University of Texas Health Science Center at Houston; Brian E Cade, Harvard Medical School; Cecelia A Laurie, University of Washington; Tamar Sofer, Harvard Medical School; Ingo Ruczinski, Johns Hopkins Bloomberg School of Public Health; Deborah A Nickerson, University of Washington; Donna M Muzny, The Human Genome Sequencing Center, Baylor College of Medicine; Ginger A Metcalf, The Human Genome Sequencing Center, Baylor College of Medicine; Harshavardhan Doddapaneni, The Human Genome Sequencing Center, Baylor College of Medicine; Stacy Gabriel, Broad Institute of MIT and Harvard; Namrata Gupta, Broad Institute of MIT and Harvard; Shannon Dugan-Perez, The Human Genome Sequencing Center, Baylor College of Medicine; L Adrienne Cupples, Boston University School of Public Health; Laura R Loehr, University of North Carolina; Deepti Jain, University of Washington; Jerome I. Rotter, The Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center; James G Wilson, Division of Cardiovascular Medicine, Beth Israel Deaconess Medical Center; Bruce M Psaty, Cardiovascular Health Research Unit, University of Washington; Myriam Fornage, Human Genetics Center, The University of Texas Health Science Center at Houston; Alanna C Morrison, Human Genetics Center, The University of Texas Health Science Center at Houston; Vasan S Ramachandran, Boston University and the National Heart Lung and Blood Institute’s Framingham Heart Study; George Washko, Division of Pulmonary and Critical Care Medicine, Brigham and Women's Hospital; Stephen S Rich, Center for Public Health Genomics, University of Virginia; George T O’Connor, Boston University; Eugene Bleecker, University of Arizona; Robert C Kaplan, Albert Einstein College of Medicine; Ravi Kalhan, Feinberg School of Medicine, Northwestern University; Susan Redline, Harvard Medical School; Sina A Gharib, Division of Pulmonary, Critical Care and Sleep Medicine, University of Washington; Deborah Meyers, University of Arizona; Victor Ortega, Pulmonary and Critical Care, School of Medicine, Wake Forest University; Josée Dupuis, Boston University School of Public Health; Stephanie J London, National Institutes of Health; Tuuli Lappalainen, New York Genome Center; Elizabeth C Oelsner, Columbia University; Edwin K Silverman, Channing Division of Network Medicine, Brigham and Women's Hospital; R Graham Barr, Columbia University; Timothy A Thornton, University of Washington; Heather E Wheeler, Loyola University Chicago; Michael H Cho, Channing Division of Network Medicine, Brigham and Women's Hospital; Hae Kyung Im, Section of Genetic Medicine, The University of Chicago; Ani Manichaikul, University of Virginia