MOUNTAIN VIEW, Calif.--(BUSINESS WIRE)--Couchbase, Inc. today announced that Jeff Epstein has joined its board of directors as an independent board member. Epstein, former chief financial officer (CFO) of Oracle Corporation, has decades of experience leading financial operations at several of the biggest companies in the world. His background in the database market and management experience at large publicly traded companies as well as pre-IPO start-ups make him an ideal advisor to foster Couch