Karthik Subbian

CTO

San Francisco, California, United States23 yrs experience
AI ML PractitionerAI Enabled

Key Highlights

  • 20+ years of experience in ML and AI systems.
  • 50+ publications and 20 patents.
  • Expert in connecting research with real-world outcomes.
Stackforce AI infers this person is a leader in AI and ML technologies with extensive experience in B2B and B2C applications.

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Skills

Core Skills

Artificial IntelligenceMachine Learning

Other Skills

Agentic AIMonetizationData MiningGame TheorySocial Network AnalysisMapReducePythonMatlabMechanism DesignLarge Scale SystemsGraphLabC++JavaPerlUnix Shell Scripting

About

Visionary technology leader with 20+ years of experience building and scaling ML and AI systems at Amazon, Meta, and IBM. I specialize in working backward from customer needs to invent and deploy large-scale systems that drive measurable impact — from reimagining search and discovery experiences that delivered over billions in conversion, to transforming retail operations with agentic AI. My work spans GenAI, causal inference, deep learning (GNNs, transformers), and multi-objective optimization. I’ve shaped company-wide ML strategy, mentored senior ICs, and led cross-functional teams across science, engineering, and product. 50+ publications, 20 patents, and a passion for connecting research with real-world outcomes.

Experience

Pinterest

Distinguished Scientist

Sep 2025Present · 7 mos

  • Agentic AI for monetization
Agentic AIMonetizationArtificial IntelligenceMachine Learning

Webconf 2024

Web Mining Track Chair

Oct 2023May 2024 · 7 mos

Ieee data engineering bulletin

Associate Editor

Jan 2023Present · 3 yrs 3 mos

Acm sigkdd & annual kdd conference

Area Chair

Jan 2023Sep 2023 · 8 mos · Long Beach, California, United States

Kais journal

Associate Editor

Oct 2022Present · 3 yrs 6 mos · https://www.springer.com/journal/10115

  • Associate editor

Wsdm 2023 conference

WSDM Sponsorship Chair

Aug 2022Mar 2023 · 7 mos

Amazon

2 roles

Sr. Principal Scientist

Promoted

Mar 2022Oct 2025 · 3 yrs 7 mos

Principal Scientist

Mar 2018Feb 2022 · 3 yrs 11 mos

Sigir

SIGIR 2021 Industry Track Chair

Oct 2021Oct 2021 · 0 mo · https://sigir.org/sigir2021/organization/

Frontiers in big data journal

Associate Editor

Sep 2021Present · 4 yrs 7 mos · United States

Kdd 2022

KDD Cup Chair 2022

Jan 2021Jan 2021 · 0 mo

Thewebconf 2021

WWW 2021 Workshops Chair

Jan 2021Jan 2021 · 0 mo · https://www2021.thewebconf.org/about/

Ieee transactions of knowledge discovery and data mining

Associate Editor

May 2020Present · 5 yrs 11 mos · United States

Facebook

Research Scientist

Jan 2014Jan 2018 · 4 yrs · San Francisco Bay Area

Ibm

2 roles

Technical Staff Member

Jan 2007Jan 2011 · 4 yrs

  • IBM TJ Watson Research Center

Staff Software Engineer

Jan 2000Jan 2007 · 7 yrs

Education

University of Minnesota

Doctor of Philosophy (PhD) — Computer Science

Indian Institute of Science (IISc)

Master of Science (M.S.) — Computer Science

Pondicherry University

Bachelor of Technology (B.Tech.) — Electronics and Communications Engineering

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