Oregon State University

http://extension.oregonstate.edu/emergency/oak_death.php 
The Oregon State University Extension Services maintains a website for P. ramorum and sudden oak death - related research. Among its resources are a Guide for Oregon Nurseries, which identifies the symptoms of P. ramorum in nursery plants, as well as a Best Management Practices for Nurseries document. Everett Hansen's home page has information on his specific Forestry research.
Contact: Everett Hansen, Oregon State University (Forestry)
Contact: Jennifer Parke, Oregon State University (Nurseries)

University of California, Berkeley

http://www.cnr.berkeley.edu/garbelotto/english/index.php
The Forest Pathology and Mycology Laboratory at UC Berkeley devotes a large portion of their research energy to P. ramorum and Sudden Oak Death. Topics include diagnosis, population genetics and phylogenetics of
P. ramorum, and treatment options.
Contact: Matteo Garbelotto, UC Berkeley

University of North Carolina, Charlotte

http://www.gis.uncc.edu/
The University of North Carolina, Charlotte, has many sudden oak death research projects under way.
Contact: Ross Meentemeyer: rkmeente@uncc.edu