Ron Stack

Enterprise AI Architect & Platform Modernization Leader

Role Alignment

Enterprise Architecture Leadership

Define and govern architecture strategy across distributed, regulated environments. Align platform evolution with business outcomes, operational resilience, and long-term modernization roadmaps.

AI-Enabled Systems & RAG Integration

Design AI-enabled decision systems using graph + vector retrieval (Neptune), RAG workflows, and secure orchestration patterns—AI as enterprise capability, not novelty.

Multi-Cloud & Distributed Platforms

Deep experience across AWS and Azure designing scalable, event-driven systems supporting enterprise workloads, ERP integrations, and customer-facing platforms.

Security & Governance by Design

Identity modernization (OAuth, RBAC), compliance-aware architectures, disaster recovery strategy, and observability frameworks embedded into platform standards.

Experience

Senior Solutions Architect

John Deere

Aug 2023 – Present

I define the architectural direction for Service Center, John Deere’s enterprise service platform, guiding cross-domain strategy across diagnostics, reprogramming, monitoring, and case management. I align platform architecture with business outcomes—improving equipment uptime, service efficiency, and revenue performance at scale. I lead the evaluation and integration of emerging technologies, including AI-driven diagnostics and root cause analysis, to modernize our service ecosystem and enable intelligent, data-informed workflows.

Co-Owner & Technology Lead, KOAH Chiropractic

KOAH Chiropractic

Jun 2024 – Present

Romeoville, Illinois, United States

Oversaw operational systems, financial modeling, marketing automation, and technology infrastructure for a healthcare startup. Led platform selection, process optimization, and performance tracking to drive patient growth and revenue stability.

Solution Architect

Amazon Web Services (AWS) · Full-time

Nov 2021 – Aug 2023

Led enterprise cloud strategy for Fortune-scale customers, defining multi-year technical roadmaps aligned to business transformation objectives. Advised executive stakeholders on architecture modernization, scalability, resilience, and cost-optimized cloud transformation. Strengthened architecture governance and executive alignment across engineering and business leadership.

John Deere

14 yrs 6 mos

Senior Solutions Architect

Feb 2020 – Nov 2021

Designed architecture for Dynamics 365 DevOps process. Designed and deployed integrations between Dynamics 365 and ERP systems. Implemented authentication and RBAC patterns for cross-system data exchange. Led development and support teams delivering enterprise-scale modernization initiatives.

Cloud Architect

Feb 2018 – Feb 2020

Moline, Illinois

Created visuals for Vice Presidents and Directors for entire eCommerce footprint and recommended consolidated architecture to support Omni-Channel eCommerce. Designed telematics and equipment inventory integration for customer-facing sales platforms.

Sr Infrastructure Analyst

Jan 2016 – Feb 2018

East Moline, IL

Led team of distributed storage engineers both in the United States and India. Managed budget and forecasting for disk frames and supporting equipment.

Infrastructure Analyst

Feb 2012 – Feb 2016

Transformed manual provisioning into automated processes providing more consistency and reduced outages. Managed NetApp, IBM, and EMC disk frames and network connectivity for central and edge locations.

Dealer Support Specialist

Jun 2007 – Apr 2012

Managed individual networks and Active Directory for over 100 dealers across the United States and Canada. Achieved Microsoft Server Administration Certifications and became the expert on our team and escalation point for complex troubleshooting and designs.

Technical Focus Areas

Architecture & Strategy

Enterprise ArchitectureAI-Enabled Workflow DesignPlatform ModernizationIntegration StrategyArchitecture GovernanceCapability-Based Planning

AI & Data Systems

RAG ArchitecturesGraph + Vector Hybrid Retrieval (AWS Neptune)LLM Integration PatternsSecure Tool Access & Identity ControlsAI Observability & Governance

Cloud & Infrastructure

AWS (Lambda, EC2, S3, Neptune, VPC)Azure (Functions, API Management, Event Grid)Event-Driven ArchitectureRESTful API Design

Reliability & Security

Disaster RecoveryIdentity Modernization (OAuth, RBAC, Azure AD, Okta)Operational ResilienceCompliance-Aware Architecture

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