The list of current Longhorn maintainers:

Name, <Email>, @GitHubHandle
Sheng Yang, <sheng@yasker.org>, @yasker
Shuo Wu, <shuo.wu@suse.com>, @shuo-wu
David Ko, <dko@suse.com>, @innobead
Derek Su, <derek.su@suse.com>, @derekbit
Phan Le, <phan.le@suse.com>, @PhanLe1010