Daniel Castellanos

Enterprise AI Development Playbook & Multi-Agent Architecture

Product Design Manager • Partnering with CAIO

Problem: Engineering and product teams were experimenting with disconnected AI models without shared standards for tool definitions, error handling, access boundaries, or user safety.

Approach: Co-authored a 9-stage enterprise AI development playbook establishing enforceable standards for prompt patterns, error recovery, and multi-agent supervision. Configured strict read/write boundaries for custom Azure DevOps connectors in Microsoft Copilot Studio.

Clinical Field Research & Regulated Telemetry Architecture

Product Design Manager

Problem: Healthcare software often creates cognitive overload for ophthalmologists, surgeons, and clinic staff interacting with complex diagnostics during patient care.

Approach: Conducted in-person clinical field research and surgical suite ride-alongs. Authored the enterprise design and product playbook for low-distraction visual hierarchy and compliant interaction patterns.

Conversational AI & Workforce Automation (2026 Re-engagement)

Senior UX Design Consultant • Global Product & Tech

Approach: Re-engaged to lead UX architecture and high-fidelity prototyping for AI-driven enterprise HCM workflows. Architected proactive, human-in-the-loop conversational interfaces across complex employee lifecycle systems.

Compliance Product Team & Core UX Accessibility Standards (2014–2015)

UX Designer & Researcher

Approach: Embedded in Payroll Compliance and Core UX teams. Integrated qualitative/quantitative user research directly into ADP’s organizational accessibility guidelines and core component library.

AI Launchpad for Kraft Heinz (Supply Chain Ticket Intelligence)

Product Owner, Lead UX Designer & IA

Approach: Led UX discovery and system architecture for the first enterprise integration of Neudesic’s OpenAI Launchpad. Designed an ingestion pipeline and high-density triage dashboards that clustered unstructured plant and freight tickets by disruption root cause.

Autonomous Agent UI for Golden Accounts (AmLaw 100 Law Firm)

Lead UX Designer & Systems Architect

Approach: Designed an agentic UI enabling attorneys to delegate cross-database research to autonomous agents with step-by-step reasoning transparency, inline citation verification, and permission-gated batch approval.

Datasite Forecaster & AI Rename (Virtual Data Room Automation)

Principal UX Designer & Systems Architect

Approach: Re-architected M&A pipeline analytics into the suite's primary front-door dashboard (Forecaster). Designed the object model, confidence scores, and batch reconciliation workbench for AI Rename across tens of thousands of unstructured deal room files.

Enterprise Accessibility Community of Practice

Lead & Practice Director

Approach: Directed the cross-functional Accessibility Community of Practice across Product, Engineering, QA, Design, and Legal, authoring organization-wide WCAG AA SOPs.

ePay Enterprise Financial Checkout Redesign

Lead UX Designer & Information Architect

Approach: Overhauled a stalled 18-month payment initiative by collapsing a confusing 15-page checkout workflow into 3 clear, frictionless steps with immediate confirmation feedback.

Market Quest CRM & Realsure Mobile Turnaround

Senior UX Designer & IA

Approach: Co-architected the nationwide Market Quest CRM and MLS analytics platform from scratch; streamlined iOS/Android onboarding and offer tracking for Realsure with the National Association of Realtors.

IPsoft (Amelia) Cognitive Virtual Agents (2015–2018)

UX Designer & Design Lead • Cognitive Lab & R&D

Approach: Designed conversational UI flows, dialogue trees, and interactive prototypes for early enterprise cognitive AI agents (Amelia), plus experiential platforms for flagship summits in NYC, Barcelona, and London.

Dun & Bradstreet Innovation Lab, QTC/Leidos & Duck Creek (2012–2018)

UX Lead & Digital Designer

Approach: Architected D&B’s Google Maps geospatial commercial credit intelligence web app, FDA federal debt collections platform, and D&B’s first-ever native iOS App Store release. Led WCAG AA SOPs for QTC/Leidos federal medical disability platforms.