This is an expansion of the list of authors and other Guests of Honor attending and participating in ConFusion 2015 in Dearborn, Michigan. The list as it exists on the ConFusion site does not have any associated links, so I took the liberty. This is likely a work in progress.
[UPDATE 1: added Shanna Germain and Monte Cook]
[UPDATE 2: added Peter V. Brett]
[UPDATE 3: added James Frederick Leach and Annalee Flower Horne]
[UPDATE 4: added Justin Howe]
[UPDATE 5: added Jen Talley, Sarah Gibson, and Elizabeth Shack]
[UPDATE 6: added M.H. Mead, Mari Brighe, Howard Scrimgeour]
Joe Abercrombie [website, twitter, goodreads]
Saladin Ahmed [website, twitter, goodreads]
Scott H. Andrews [website, twitter, goodreads]
Bradley P. Beaulieu [website, twitter, goodreads]
Robert Bennett [website, twitter, goodreads]
Leah Bobet [website, twitter, goodreads]
Peter V. Brett [website, twitter, goodreads]
Mari Brighe [website, twitter, goodreads]
Tobias Buckell [website, twitter, goodreads]
Rowena Cherry [website, twitter, goodreads]
Cynthia Chestek [umich.edu profile]
Ted Chiang [goodreads]
Cinda Williams Chima [website, twitter, goodreads]
Wesley Chu [website, twitter, goodreads]
Myke Cole [website, twitter, goodreads]
Brigid Collins [website, twitter]
Ron Collins [website, twitter]
Monte Cook [website, twitter, goodreads]
Heather Dale [website, twitter]
J.C. Daniels [website, twitter, goodreads]
Delilah S. Dawson [website, twitter, goodreads]
Seleste deLaney [website, twitter, goodreads]
Michael J. DeLuca [website, twitter, goodreads]
Susan Dennard [website, twitter, goodreads]
Tom Doyle [website, twitter, goodreads]
Steven Erikson [website, goodreads]
Shanna Germain [website, twitter, goodreads]
Sarah Gibbons
Janet Harriett [website, twitter, goodreads]
Carrie Harris [website, twitter, goodreads]
Merrie Haskell [website, twitter, goodreads]
Jim C. Hines [website, twitter, goodreads]
Annalee Flower Horne [website, twitter, goodreads]
Justin Howe [website, twitter, goodreads]
Douglas Hulick [website, twitter, goodreads]
Kameron Hurley [website, twitter, goodreads]
Philip Kaldon [website, twitter, goodreads]
Christian Klaver [website, twitter, goodreads]
Mary Robinette Kowal [website, twitter, goodreads]
James Frederick Leach [website, goodreads]
Karen Lord [website, twitter, goodreads]
Brian McClellan [website, twitter, goodreads]
M. H. Mead [website, goodreads]
Courtney Allison Moulton [website, twitter, goodreads]
Peter Orullian [website, twitter, goodreads]
Cindy Spencer Pape [website, twitter, goodreads]
Christine Purcell [twitter, goodreads]
Cherie Priest [website, twitter, goodreads]
Laura Resnick [website, twitter, goodreads]
Diana Rowland [website, twitter, goodreads]
Jason Sanford [website, twitter, goodreads]
John Scalzi [website, twitter, goodreads]
Howard Scrimgeour [Filk Hall of Fame page]
Elizabeth Shack [website, twitter, goodreads]
Catherine Shaffer [website, twitter, goodreads]
Ferrett Steinmetz [website, twitter, goodreads]
Amy Sundberg [website, twitter, goodreads]
Michael J. Sullivan [website, twitter, goodreads]
Jen Talley [website, twitter]
Aaron Thul [twitter]
Patrick S. Tomlinson [website, twitter, goodreads]
Michael R. Underwood [website, twitter, goodreads]
Doselle Young [website, twitter, goodreads]
Lara Zielin [website, twitter, goodreads]