Candidate ID: #30
Location: Arlington, Virginia

EMPLOYMENT SUMMARY

  • Current/Most Recent: 3 years (Sep 2023 – Present) as Chief Technology Officer (hybrid, Virginia), preceded by 2 years (Aug 2021 – Sep 2023) as Head of Engineering — led software development and ML teams building supply chain analytics products with partners
  • Past: 22 years of progressive software architecture, data, and engineering leadership — Director of Data and Machine Learning (2017–2021), Director of Software Architecture (2013–2017), engineering management (2010–2013), Technical Lead (2007–2010), and earlier IT operations and development roles in Lebanon

ACCOMPLISHMENTS

  • Fraud ML at Scale — Deployed Capital One Card’s first-ever first-party fraud model into production (daily account scoring, automated closure of high-risk accounts) using a GBM built on H2O/EMR, and the third-party Account Take Over model scoring in real time; projected $50M+ in annual fraud loss savings
  • ML Platform & Infrastructure — Designed ML infrastructure for training, execution, and production scoring; built an ETL framework and end-to-end ML infrastructure with a reusable feature factory, one-button dev-to-prod promotion, and champion/challenger testing; partnered on the ML lifecycle platform covering AutoML refit, resiliency, automation, and model governance
  • Cloud & Big Data Architecture — Deep AWS experience (SageMaker, Glue, EMR, SQS, Postgres, Aurora); led development of MPP/big data environments on Hadoop (Hortonworks), Apache Spark ML, Kafka, Oozie, Flume, and Hive
  • Data Warehousing & BI — Long track record in SQL Server (SSIS/SSAS/SSRS), Oracle, and Vertica; led telecom data warehouse builds and cube design, SQL2005-to-SQL2008 migrations, and pipelines processing 4 TB of data daily with sub-20-second dashboard rendering
  • Organizational Leadership — Manages headcount, budgets, schedules, and vendor/outsourcing relationships; recruits, mentors, and leads distributed engineering teams (including teams in Lebanon, Romania, Ukraine, Argentina, and Chile)
  • Education — MBA, University of Liverpool (2018–2020); Computer Science/Computer Engineering, PIGIER (1998–2001). Fluent in English, French, and Arabic

Oscar Cambrelen prides Himself on being not only an executive recruiter focused on engaging talent but also an industry expert dedicated to client objectives and continuous growth. He continually seeks to help businesses grow and flourish to the next level.

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