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Sagnik Mazumder - Founder & CEO

Sagnik Mazumder

Executive ML/AI Founder specializing in agentic analytics and data infrastructure

Photosphere LabsUniversity of Texas at Dallas10 Years ExperienceExecutive LevelWorks On-Site

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About

Founder of Photosphere Labs (agentic AI for ecommerce data synthesis/analysis) who worked directly with customers to scope, build, demo, and iterate LLM-based solutions, including an AI chat product for brand owners. Previously at Block, built and explained a nuanced causal inference/propensity model tied to Square POS integrations, translating model specs and outputs into business impact for varied client contexts.

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Key Strengths

  • Takes complex AI/LLM concepts from prototype to production via phased delivery and clear deliverables
  • Real-time diagnosis of LLM workflow issues using checkpoints and isolating failure points
  • Designed graph architecture to handle ambiguous multi-platform ecommerce queries in an LLM agent
  • Strong technical demo framework (Objective/Solution/Impact) tailored to audience technical depth
  • Bridges technical model details to business outcomes (causal inference/propensity model explanations to clients)
  • End-to-end customer lifecycle ownership as a founder (prospecting, pitching, closing, building, implementation success)
  • Partners with client services/customer-facing teams to gather requirements and drive adoption through demos

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Experience

Founder & CEOPhotosphere Labs · Feb 2025 – Present
Senior Data ScientistSnowflake · Nov 2024 – May 2025
Founder & CEOArdur Shoes · Feb 2024 – Present
Machine Learning EngineerBlock · Nov 2020 – Nov 2024
Data ScientistBlock · Nov 2020 – Nov 2024
Data ScientistSamba TV · Jun 2016 – Nov 2020

Education

University of Texas at Dallasmaster, IT & Management (2016)
PES Institute of Technologybachelor, Electrical Engineering (2014)

Awards

  • Patent Pending (Recommendation Systems)

Skills

A/B TestingAgentic AIAWSAWS GlueBERTData AnalysisData PipelinesDatabricksDockerFeature EngineeringFirebaseGitGoogle AnalyticsLangGraphMachine Learning

Languages

English

Publications

1 publication

Recommendation Systems

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Typically responds within 24 hours

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Sagnik MazumderExecutive ML/AI Founder specializing in agentic analytics and data infrastructure