Update readme file

README.md

@@ -22,10 +22,10 @@ This material is based upon work supported by the National Center for Atmospheri
 ## Acknowledgements
 
 A number of people have been critical to this effort, including:
-- Alice DuVivier, Cecile Hannay, Peter Lawrence, Hui Li, Brian Dobbins, and Jesse Nusbaumer, who serve on the CESM tutorial committee and put together the tutorial materials.
-- Gunter Leguy, Gustavo Marques, and Adam Phillips, who serve on the CESM tutorial committee and helped test materials.
+- Cecile Hannay, David Bailey, Peter Lawrence, Hui Li, Sophia Macarewich, Jesse Nusbaumer, Adam Phillips, and Kate Thayer-Calder who serve on the CESM tutorial committee and put together the tutorial materials.
+- Alice DuVivier, Brian Dobbins, Gunter Leguy, and Gustavo Marques, who helped test materials and have contributed substantially.
 - Elizabeth Faircloth, who supports the CESM program administratively and without whom everything would probably fall apart.
-- Gokhan Danabasoglu, who supported this effort as CESM chief scientist.
+- David Lawrence, who supported this effort as CESM chief scientist.
 - Testers, others...
 
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