Gary Hallmark is a member of the Decision Management Community Advisory Board and is affiliated with Hallmark AI Consulting. This lightweight profile connects his community participation with his current public professional profile.
Community profile
Gary Hallmark
AI, analytics, and enterprise decision systems
Hallmark AI Consulting
Areas of expertise
Artificial IntelligenceAnalyticsDecision Systems
DMCommunity activity
27 indexed itemsArticles
Recreational Fee — DMN DRD
DMN DRD solution by Gary Hallmark for the Recreational Fee challenge.
Oracle Decision Service: Decision Model and Notation
Gary Hallmark's DecisionCAMP 2016 presentation on Oracle Decision Service and DMN.
Decision Table for Vacation Days Calculation — DMN
DMN solution by Gary Hallmark (Oracle) for the Decision Table for Vacation Days Calculation challenge.
Collections of Cars — DMN FEEL
DMN FEEL solution by Gary Hallmark (Oracle) for the Collections of Cars challenge.
Make a Good Burger — DMN FEEL prototype
DMN FEEL prototype solution by Gary Hallmark (Oracle) for the Make a Good Burger challenge.
Challenge solutions
DMN DRD
Solution to Recreational Fee
DMN
Solution to Decision Table for Vacation Days Calculation · Oracle
DMN FEEL
Solution to Collections of Cars · Oracle
DMN FEEL prototype
Solution to Make a Good Burger · Oracle
DecisionCAMP presentations
Private Agentic AI for Regulated Environments: Decision-Oriented Architectures Without Workflow Coding
DecisionCAMP 2026 conference programme
No Code Decision Model using ChatGPT
DecisionCAMP 2023 conference programme
DMN 2.0?
DecisionCAMP 2019 conference programme
Oracle Decision Modeling Service
DecisionCAMP 2016 conference programme