| API Machinery | api-machinery | * David Eads, Red Hat * Daniel Smith, Google
 
 | * Slack * Mailing List
 | * Kubebuilder and Controller Runtime Meeting: Wednesdays at 10:00 PT (Pacific Time) (monthly - second Wednesday every month) * Regular SIG Meeting: Wednesdays at 11:00 PT (Pacific Time) (biweekly)
 
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| Apps | apps | * Kenneth Owens, Google * Matt Farina, Samsung SDS
 * Adnan Abdulhussein, Bitnami
 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Mondays at 9:00 PT (Pacific Time) (weekly) 
 | 
| Architecture | architecture | * Brian Grant, Google * Derek Carr, Red Hat
 * Davanum Srinivas, Huawei
 * Jaice Singer DuMars, Google
 * Matt Farina, Samsung SDS
 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Thursdays at 19:00 UTC (biweekly) * conformance Office Hours: Tuesdays at 12:00 PT (Pacific Time) (weekly)
 
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| Auth | auth | * Mo Khan, Red Hat * Mike Danese, Google
 * Tim Allclair, Google
 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Wednesdays at 11:00 PT (Pacific Time) (biweekly) 
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| Autoscaling | autoscaling | * Marcin Wielgus, Google 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Mondays at 14:00 UTC (biweekly/triweekly) 
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| AWS | aws | * Nishi Davidson, AWS * Justin Santa Barbara, Google
 * Kris Nova, VMware
 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Fridays at 9:00 PT (Pacific Time) (biweekly 2019 start date: Jan. 11th) 
 | 
| Azure | azure | * Dave Strebel, Microsoft * Stephen Augustus, VMware
 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Wednesdays at 16:00 UTC (biweekly) 
 | 
| CLI | cli | * Sean Sullivan, Google * Maciej Szulik, Red Hat
 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Wednesdays at 09:00 PT (Pacific Time) (biweekly) 
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| Cloud Provider | cloud-provider | * Andrew Sy Kim, VMware * Chris Hoge, OpenStack Foundation
 * Jago Macleod, Google
 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Wednesdays at 1:00 PT (Pacific Time) (biweekly) * (cloud-provider-extraction-migration) Weekly Sync removing the in-tree cloud providers led by @cheftako and @mcrute: Thursdays at 13:30 PT (Pacific Time) (weekly)
 
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| Cluster Lifecycle | cluster-lifecycle | * Justin Santa Barbara, Google * Lucas Käldström, Luxas Labs (occasionally contracting for Weaveworks)
 * Timothy St. Clair, VMware
 
 | * Slack * Mailing List
 | * Cluster API (AWS implementation) office hours: Mondays at 10:00 PT (Pacific Time) (biweekly) * Cluster API Provider Implementers' office hours (EMEA): Wednesdays at 15:00 CEST (Central European Summer Time) (weekly)
 * Cluster API Provider Implementers' office hours (US West Coast): Tuesdays at 12:00 PT (Pacific Time) (weekly)
 * Cluster API office hours: Wednesdays at 10:00 PT (Pacific Time) (weekly)
 * Cluster Addons meeting: Tuesdays at 09:00 PT (Pacific Time) (biweekly)
 * Kubespray Office Hours: Wednesdays at 08:00 PT (Pacific Time) (biweekly)
 * Regular SIG Meeting: Tuesdays at 09:00 PT (Pacific Time) (biweekly)
 * kops Office Hours: Fridays at 09:00 PT (Pacific Time) (biweekly)
 * kubeadm Office Hours: Wednesdays at 09:00 PT (Pacific Time) (weekly)
 * minikube Office Hours: Mondays at 10:00 PT (Pacific Time) (biweekly)
 
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| Contributor Experience | contributor-experience | * Elsie Phillips, Red Hat * Paris Pittman, Google
 
 | * Slack * Mailing List
 | * APAC SIG Meeting: Wednesdays at 20:00 PT (Pacific Time) (monthly - fourth Wednesday every month) * Regular SIG Meeting: Wednesdays at 9:30 PT (Pacific Time) (weekly - except fourth Wednesday every month)
 * (contributors-documentation) Non-Code Contributors Meeting: Wednesdays at 11:00 PT (Pacific Time) (biweekly)
 * (events) Contributor Summit strategy, content and planning: Mondays at 9:00 PT (Pacific Time) (weekly)
 
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| Docs | docs | * Jennifer Rondeau, Stripe * Jared Bhatti, Google
 * Zach Corleissen, Linux Foundation
 
 | * Slack * Mailing List
 | * APAC SIG Meeting: Wednesdays at 02:00 UTC (monthly - fourth Wednesday every month) * Regular SIG Meeting: Tuesdays at 17:30 UTC (weekly - except fourth Tuesday every month)
 
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| GCP | gcp | * Adam Worrall, Google 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Thursdays at 16:00 UTC (biweekly) 
 | 
| IBMCloud | ibmcloud | * Khalid Ahmed, IBM * Richard Theis, IBM
 * Sahdev Zala, IBM
 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Wednesdays at 14:00 EST (biweekly) 
 | 
| Instrumentation | instrumentation | * Frederic Branczyk, Red Hat * Piotr Szczesniak, Google
 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Thursdays at 17:30 UTC (biweekly) 
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| Multicluster | multicluster | * Christian Bell, Google * Quinton Hoole, Huawei
 
 | * Slack * Mailing List
 | * Federation v2 Working Group: Wednesdays at 7:30 PT (Pacific Time) (weekly) * Regular SIG Meeting: Tuesdays at 9:30 PT (Pacific Time) (biweekly)
 
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| Network | network | * Casey Davenport, Tigera * Dan Williams, Red Hat
 * Tim Hockin, Google
 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Thursdays at 14:00 PT (Pacific Time) (biweekly) 
 | 
| Node | node | * Dawn Chen, Google * Derek Carr, Red Hat
 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Tuesdays at 10:00 PT (Pacific Time) (weekly) 
 | 
| OpenStack | openstack | * Aditi Sharma, NEC Technologies India * Christoph Glaubitz, iNNOVO Cloud
 * Chris Hoge, OpenStack Foundation
 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Wednesdays at 08:00 PT (Pacific Time) (biweekly starting Wednesday March 20, 2019) 
 | 
| PM | pm | * Caleb Miles, Google * Ihor Dvoretskyi, CNCF
 * Jaice Singer DuMars, Google
 * Stephen Augustus, VMware
 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Tuesdays at 18:30 UTC (biweekly) 
 | 
| Release | release | * Caleb Miles, Google * Stephen Augustus, VMware
 * Tim Pepper, VMware
 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Tuesdays at 21:00 UTC (biweekly) 
 | 
| Scalability | scalability | * Shyam Jeedigunta, AWS * Wojciech Tyczynski, Google
 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Thursdays at 17:30 UTC (bi-weekly) 
 | 
| Scheduling | scheduling | * Bobby (Babak) Salamat, Google * Klaus Ma, Huawei
 
 | * Slack * Mailing List
 | * 10AM PT Meeting: Thursdays at 17:00 UTC (biweekly starting Thursday June 7, 2018) * 5PM PT Meeting: Thursdays at 24:00 UTC (biweekly starting Thursday June 14, 2018)
 
 | 
| Service Catalog | service-catalog | * Jonathan Berkhahn, IBM * Jay Boyd, Red Hat
 * Michael Kibbe, Google
 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Mondays at 13:00 PT (Pacific Time) (weekly) 
 | 
| Storage | storage | * Bradley Childs, Red Hat * Saad Ali, Google
 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Thursdays at 9:00 PT (Pacific Time) (biweekly) 
 | 
| Testing | testing | * Erick Fejta, Google * Aaron Crickenberger, Google
 * Steve Kuznetsov, Red Hat
 * Timothy St. Clair, VMware
 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Tuesdays at 13:00 PT (Pacific Time) (weekly) * (kind) sigs.k8s.io/kind bi-weekly meeting: Mondays at 11:00 PT (Pacific Time) (bi-weekly)
 * (testing-commons) Testing Commons: Fridays at 07:30 PT (Pacific Time) (bi-weekly)
 
 | 
| UI | ui | * Dan Romlein, Google * Sebastian Florek, Loodse
 * Jeffrey Sica, University of Michigan
 * Marcin Maciaszczyk, Loodse
 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Thursdays at 18:00 CET (Central European Time) (bi-weekly) 
 | 
| VMware | vmware | * Steve Wong, VMware * Fabio Rapposelli, VMware
 
 | * Slack * Mailing List
 | * Cloud Provider vSphere monthly syncup: Wednesdays at 09:00 PT (Pacific Time) (monthly - first Wednesday every month) * Cluster API Provider vSphere bi-weekly syncup: Wednesdays at 13:00 PT (Pacific Time) (bi-weekly)
 * Regular SIG Meeting: Thursdays at 11:00 PT (Pacific Time) (bi-weekly)
 
 | 
| Windows | windows | * Michael Michael, VMware * Patrick Lang, Microsoft
 
 | * Slack * Mailing List
 | * Regular SIG Meeting: Tuesdays at 12:30 Eastern Standard Time (EST) (weekly) 
 |