Christos Kalantzis
Chief Technology Officer at SecurityScorecard
San Jose, California, United States
Summary
🤩
Rockstar🎓
Top SchoolChristos Kalantzis is a seasoned technology executive and data-centric CTO with over a decade of experience building and scaling cloud-native platforms and security products across companies like Netflix, Tenable, FireEye, and SecurityScorecard. He combines deep operational expertise in large distributed databases and data pipelines with proven outcomes—12x platform scaling, 40% infrastructure cost reduction, FedRAMP achievement, and 450% revenue growth at SecurityScorecard. A former DBA turned engineering leader, he’s comfortable from low-level database internals to shaping company-wide DevOps, security and data strategies that create defensible data moats. Now leading technology at HUMAN, he focuses on disrupting digital fraud using signal-driven defenses that verify billions of interactions. Active in the Greek community and a longtime blogger/podcaster, he brings a pragmatic, people-first leadership style and a quiet obsession for turning vast data into actionable models and signals.
11 years of coding experience
20 years of employment as a software developer
DEC Commerce & Business, DEC Commerce & Business at Marianopolis CollegeBachelors of Commerce Management of Information Systems, Bachelors of Commerce Management of Information Systems at Concordia UniversityDES High School Diploma, DES High School Diploma at BeauboisGrauate Certificate Electronic Commerce, Grauate Certificate Electronic Commerce at McGill University
Greek, French, English
Stackoverflow
36reputation
641reached
1answer
0questions
Github Skills (7)
repair9
consistency6
cassandra6
java6
java-client5
apache4
jdbc3
Programming languages (2)
Github contributions (3)
ckalantzis/cassTickler
Dec 2015 - Sep 2018
Contributions:15 commits, 1 PR, 11 pushes in 2 years 9 months
cassandraapacheapache-cassandrarecordconsistency
Netflix/astyanax
Mar 2015 - May 2015
Cassandra Java Client
Contributions:7 comments, 7 issues in 1 month
cassandrajavajdbccassandra-javajava-client
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