Gidon Gershinsky - Data Security Architect

Gidon Gershinsky

Data Security Architect

Haifa, Haifa District, Israel

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Summary

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Rockstar

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Top School

Gidon Gershinsky is a Data Security Architect with nine years of industry experience and a long research pedigree (MSc/PhD, Weizmann Institute) who designs and implements secure analytics and encrypted data systems for enterprise and cloud. He leads data security efforts at Apple and is an active Apache committer and PMC member for Parquet, having driven modular encryption standards and practical AES-GCM/CTR implementations across Parquet, Arrow and Iceberg. His work spans hands-on C++/Java crypto engineering, KMS integrations and documenting Thrift specs—contributions that enabled encrypted Parquet and Avro workflows used in major open-source ecosystems. Previously at IBM Research he translated novel high-throughput messaging and HA architectures into market-leading financial products, pairing deep systems research with production delivery. Based in Haifa, he combines academic rigor with a pragmatic focus on interoperable, standards-driven security for large-scale analytics.

9 years of coding experience

23 years of employment as a software developer

MSc, PhD, MSc, PhD at Weizmann Institute of Science

Hebrew, English, Russian

Github Skills (18)

c-language10

filetype10

apache10

data-structure10

java10

file-format10

javas10

cryptography10

apache-iceberg10

encryption-algorithms10

parquet10

data-structures10

ice10

thrift10

cprogramming-language10

Programming languages (6)

JavaC++RustCScalaThrift

Github contributions (5)

apache/parquet-format

Jul 2018 - Jul 2020

Apache Parquet Format

Role in this project:

Back-end Developer

Contributions:18 reviews, 13 commits, 22 PRs in 2 years

Contributions summary:Gidon contributed to the Apache Parquet format by modifying the Thrift definitions. Their work involved introducing and updating various metadata structures related to encryption, including `AesGcmV1`, `AesGcmCtrV1`, `ColumnCryptoMetaData`, and `FileCryptoMetaData`. They also refactored existing Thrift structures by moving `iv_prefix` and making fields optional to support features like hidden columns. Further updates included changes to comments describing the CRC calculation process.

avroparquetapachebig-dataapache-parquet

apache/parquet-java

Aug 2019 - Dec 2022

Apache Parquet Java

Role in this project:

Back-end Developer & Security Engineer

Contributions:94 reviews, 10 commits, 40 PRs in 3 years 3 months

Contributions summary:Gidon primarily contributed to the Apache Parquet Java project by implementing and refining encryption features. Their work included merging encryption branches, developing crypto packages, and creating key tools. They also made changes to handle key encryption configurations, and they contributed to improving remote KMS client integrations. These contributions enhanced the security features of the Parquet format within the project.

avroparquetapachebig-dataapache-parquet

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