Staff Applied Scientist & Tech Lead, Applied AI

Tao Cao

Applied AI tech lead building production prediction, decisioning, and agentic systems, with a focus on simulation, evaluation, and physical AI.

Systems

Prediction and decisioning from 0-to-1 to enterprise scale

Science

Deep learning, simulation, optimization

Agents

Planning, tool use, RCA, evaluation

Lead

Architecture, roadmaps, teams, stakeholders

Professional focus

Production AI systems and technical leadership

At Walmart, I lead two production systems: the Delivery ETA Engine and Driver Dispatch. The work spans unified prediction, simulation-backed decisioning optimization, agentic model RCA, evaluation, training, and serving.

I own architecture and technical roadmaps while leading 5-10 DS, DE, and MLE contributors. These systems have delivered significant business impact through growth and cost savings, with recognition through KDD 2024, a patent filing, and two Walmart AI Summit finalist selections.

01

Prediction and decisioning

Build calibrated prediction across scenarios and production decisioning with simulation and optimization under uncertainty.

02

Agents and evaluation

Develop multi-agent planning, tool execution, model RCA, and evaluation workflows with traceable state and outcomes.

03

Production and leadership

Scale distributed training, PySpark pipelines, and online and asynchronous/batch inference while leading architecture, roadmaps, and teams.

Independent work

Selected prototypes

Practical tools for decisions that are hard to structure, compare, or explain.

Finance Calculators interface with Extra Payment and Prepayment versus Recast tools
Decision modeling

Mortgage Decision Calculators

Two tools that compare prepayment and recast cash flows using NPV, and connect actual payment history with future extra-payment plans.

Appliance Maintenance Analyzer processing a maintenance manual through a multi-agent workflow
Agentic workflow

Appliance Maintenance Analyzer

Another agentic system that turns appliance manuals into prioritized plans using grounded extraction, a summarizer-critic loop, complexity scoring, and DIY video support.

Heat Pump Efficiency Calculator interface with simulation parameters and control settings
Simulation

Heat Pump Efficiency Calculator

Uses simulation to estimate the energy and cost penalty when variable-speed heat pumps are paired with non-communicating thermostats.

Notes from building

Writing and talks

  1. Adding a Reliable Voice Layer to the AI Travel Planner

    Why three bounded agents, schema contracts, and deterministic state ownership made voice intake more reliable.

    Build note
  2. I Built an AI Travel Planner for the Messy Middle of Trip Planning

    Why bounded workflows, grounding, optimization, evaluation, and traces matter in an agentic product.

    Build note
  3. Two Mortgage Calculators I Built to Make Prepayment Decisions Clearer

    Making loan strategy tradeoffs visible through cash-flow timing, NPV, and actual payment history.

    Build note
  4. Turning Dull Manuals into Actionable Maintenance

    A grounded multi-agent workflow for extracting, refining, and prioritizing appliance maintenance tasks.

    Build note
  5. Your Heat Pump Might Be Wasting Energy Because of Your Thermostat

    Quantifying a compatibility gap between variable-speed equipment and common smart thermostats.

    Analysis
  6. Driver Search Decision-Making at KDD 2024

    A TSMO Workshop talk on building large-scale AI decision systems for crowdsourced delivery.

    Talk

Background

Applied AI for software and physical systems

My foundation in modeling and optimization shapes how I build production AI across prediction, decisioning, simulation, agents, and evaluation. Earlier work in energy, digital twins, and engineering software grounds my growing focus on physical AI.

I stay close to the technical work: architecture, model design, training, serving, evaluation, team direction, and stakeholder problem formulation.

Ph.D.
Mechanical Engineering, Modeling & Optimization
University of Maryland
M.S.
Computer Science, Machine Learning
Georgia Institute of Technology
Domains
Prediction, decisioning, agentic systems, and physical AI