Marc KelechavaWORK · 5 ROLES

Work

Where I’ve worked and what I actually did there.

2024 to 2025

Punchup

Full stack engineer

Product and data systems for a live-entertainment platform, including pipeline orchestration on Snowflake Dynamic Tables and consumer engagement experiments.

2021 to 2024

Faire

Senior ML engineer, earlier senior analytics engineer and data scientist

Modeling and experimentation for ads bidding and auction optimization, and an interleaving-based ranking measurement system that made experiment decisions 7x faster. Before that, analytics and ML data infrastructure and monitoring for production models.

Monitoring machine learning systems at Faire

2019 to 2021

O’Reilly Media

Data scientist

Subscription classifiers for the O’Reilly learning platform.

2012 to 2018

Facebook

Client partner and analyst

Worked with client marketing and data teams, and ran quantitative studies of usage and ad sentiment with SQL and Hive.

Earlier: American Express and the Broad Institute. B.A. in Mathematics, Boston University.