The current maintainers are:

Evandro Gouvêa <egouvea@cs.cmu.edu>
Arthur Chan <archan@cs.cmu.edu>
Mosur Ravishankar <rkm@cs.cmu.edu>
Yitao Sun <yitao@cs.cmu.edu>
David Huggins-Daines <dhuggins@cs.cmu.edu>

Major contributors include, but are not limited to:

Ricky Houghton
Rita Singh
Bhiksha Raj
Mike Seltzer
Kevin Lenzo
Alex Acero
Xuedong Huang
Eric Thayer
Vyacheslav Klimkov
Alexander Solovets