The phrase "inaugural member" refers to the first person or group to join a new organization, club, or team. They are the founding member who helps establish the group from the beginning. Full definition
IRVINE, Calif. --(BUSINESS WIRE)-- Berkshire Hathaway HomeServices, the new real estate brokerage network operated by HSF Affiliates LLC, today announced the selection of 10 innovative, young agents and brokers from among the network to serve as inaugural members of REthink Council. (businesswire.com)
Inaugural members besides Google included AT&T (t), Box (box), Cisco (csco), the Cloud Foundry Foundation, CoreOS, Docker, eBay (ebay), Goldman Sachs (gs) IBM (ibm), Intel (intc), Joyent, Mesosphere, Red Hat (rht), Twitter (twtr), and VMware (vmw). (fortune.com)
Organized by aseptic filling systems provider Vanrx Pharmasystems, the Matrix Alliance features inaugural members ARaymond Life, Daikyo Seiko,... (packagingdigest.com)