Change all commits https://stackoverflow.com/a/750191/1066790 git filter-branch -f --env-filter "GIT_AUTHOR_NAME='Newname'; GIT_AUTHOR_EMAIL='new@email'; GIT_COMMITTER_NAME='Newname'; GIT_COMMITTER_EMAIL='new@email';" HEAD Change some commits https://stackoverflow.com/a/3042512/1066790