CV

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Experience

Staff Machine Learning Engineer — Computer Vision

Jul 2025 – Present

Warner Bros. Discovery (HBO) · San Francisco, CA

Leading large-scale video understanding and content moderation systems, including automated harmful content detection and multi-modal safety classifiers for HBO's streaming platform. Developing temporal segmentation, scene/shot boundary detection, VLM-powered video indexing, and LLM-enhanced metadata generation for fine-grained video search and discovery across Warner Bros.' catalog.

Senior Machine Learning Engineer — Computer Vision

Sep 2021 – Jul 2025

Tubi · San Francisco, CA

Developed AI-driven content analysis and personalization solutions using Vision-Language Models, including brand identification and logo detection, scene segmentation, personalized trailers and content artwork generation through user preference modeling, and LLM-powered recommendation enhancements.

Algorithm Scientist

Jul 2020 – Sep 2021

Aibee U.S. Corporation · Palo Alto, CA

Designed and implemented CV models for human tracking in crowds, person re-identification, and AI-based benchmarking tools for tracking.

Research Scientist Intern

May 2018 – Aug 2018

Netflix · Los Gatos, CA

Developed a semi-supervised activity detection system for identifying events in movies without human annotations and trained an attentive deep neural network to optimize movie billboard design based on visual patterns.

Research Fellowship

Jun 2017 – Aug 2018

Nielsen · Orlando, FL

Developed automated methods for TV advertisement analysis focusing on classification, tagging, and descriptive analysis of broadcast ads.

Graduate Research Assistant

Aug 2013 – Apr 2020

Center for Research in Computer Vision (CRCV), UCF · Orlando, FL

PhD research with Prof. Mubarak Shah. Topics include Visual Question Answering, Visual Text Correction, video generation, video retrieval, and multimodal AI.

Education

Ph.D., Computer Science

Apr 2020

University of Central Florida · FL, USA

Advisor: Prof. Mubarak Shah, CRCV
Dissertation: Video Content Understanding Using Text

M.Sc., Computer Science

May 2016

University of Central Florida · FL, USA

B.S., Computer Science

Jul 2013

Sharif University of Technology · Tehran, Iran

Skills

Languages: Python, C/C++, SQL, MATLAB; familiar with Scala, Java

ML Frameworks: PyTorch, TensorFlow, Keras

VLMs & LLMs: Expert in state-of-the-art VLMs and LLMs; instruction tuning, multimodal fine-tuning for video/content understanding

Cloud & Big Data: AWS, Apache Spark, PySpark

DevOps: Docker, CI/CD pipelines

Patents

Machine learning techniques for advanced frequency management

U.S. Patent · US20240314371A1

Multimedia scene break detection

U.S. Patent · US20240357217A1

See all projects & publications →