John Sumsion
FamilySearch Principal Software Engineer
Utah
John Sumsion is an experienced Software Engineer who has played key roles in making big-data projects that actually work. Much of John's experience has been gained in building several progressively better implementations of the billion-person tree for FamilySearch. John enjoys using and contributing as much as possible in FOSS. John has spoken on several topics in formal and informal venues: Cassandra Summit, NoSQL Matters, internal conferences, meetups.