John Shelburne
Technical Executive | Capital Markets Infrastructure | Applied AI Systems
Dallas, TX | john@catfix.biz | LinkedIn | GitHub
Executive Summary
Operator with 20+ years building and scaling trading technology, electronic market infrastructure, and AI-driven analytics platforms across fixed income markets. Combines institutional trading expertise with hands-on engineering across distributed systems, cloud infrastructure, machine learning deployment, and AI workflow orchestration.
Built and operated production ML infrastructure supporting $50B+ daily market-data processing with 91% model accuracy while reducing infrastructure costs by more than 80%. Previously generated $10M+ recurring revenue through Bloomberg TOMS implementations and institutional trading platform deployments across the US and Europe.
Core Competencies
Capital Markets
- Fixed Income Trading & Analytics
- Electronic Trading Platforms
- FIX Protocol & Connectivity
- Securities Lending & Bond Markets
- Bloomberg Terminal / TOMS
- Institutional Sales & Trading Workflows
Engineering & Infrastructure
- Python, Go, JavaScript, TypeScript
- React, Node.js, FastAPI
- PostgreSQL, GraphQL, REST APIs
- GCP, AWS, Azure
- Docker, Kubernetes, Terraform
- Apache Beam, BigQuery, Kafka
AI & Systems
- AI Workflow Orchestration
- Large Language Model Integration
- Machine Learning Deployment
- Distributed Data Pipelines
- Cloud Cost Optimization
- Production Infrastructure Operations
Professional Experience
Katana Labs
Dallas, TX | 2021 — PresentOwner & Technology Lead
- Acquired machine-learning trading platform IP from ING spinout for £25,000 following prior £5M valuation
- Reduced cloud infrastructure costs by more than 80%, generating approximately $2.3M in operational savings
- Operated production systems supporting $50B+ daily processing capacity across fixed income analytics workloads
- Improved distributed pipeline latency by 73% through infrastructure and data-processing optimization
- Maintained 99.99% production uptime across cloud-native systems
- Managed deployment and operation of ML-driven relative value analytics platform achieving 91% trade-identification accuracy across 200M+ bond-pair combinations
- Technology Stack: Go, Python, Node.js, React, PostgreSQL, GCP, Terraform, Apache Beam, BigQuery, Docker
Katana Labs
London / Dallas | 2020 — 2021Sales & Business Development Advisor
- Developed institutional go-to-market strategy for machine-learning fixed income analytics platform
- Secured Google Cloud Partner Advantage status
- Led Bloomberg Terminal integration strategy extending platform visibility to 325,000+ terminal users
- Managed strategic partnerships, digital growth initiatives, and investor communications across US and European markets
- Participated in April 2021 EIS funding round at £5M pre-money valuation
S3 Partners
New York, NY | 2021Sales Development Representative
- Built enterprise pipeline for institutional market intelligence and analytics products
- Supported hedge funds and asset managers implementing alternative-data workflows
- Developed strategic relationships across institutional trading and investment teams
CatFIX Technology, Inc.
Dallas, TX | 2019 — 2021Founder & CEO
- Founded cloud-native FIX infrastructure company focused on regional bank modernization
- Designed FIX connectivity, certification, and electronic trading workflows for institutional fixed income clients
- Developed go-to-market strategy for electronic trading infrastructure services
- Built relationships with regional banks and institutional trading firms across Texas markets
Algomi Ltd
London, UK | 2014 — 2019European Client Relationship Manager
- Managed strategic relationships with tier-1 global investment banks and institutional asset managers
- Led deployment of ALFA liquidity aggregation platform across European and US fixed income markets
- Implemented institutional trading workflow solutions including Synchronicity and Honeycomb platforms
- Supported cross-border expansion initiatives positioning Algomi as a leading electronic trading provider
Esposito Securities / Tejas Securities / Southwest Securities
Dallas, TX | 2010 — 2014Vice President, Fixed Income Trading
- Oversaw electronic trading operations and fixed income desk infrastructure
- Developed algorithmic trading and execution workflows
- Managed institutional connectivity and electronic execution systems
- Contributed to revenue growth across fixed income trading operations
Bloomberg LP
San Francisco, CA | 2000 — 2010Senior Sales Executive — Trade Order Management Systems
- Generated more than $10M in recurring revenue through Bloomberg TOMS implementations across the Western United States
- Achieved more than 150% territory growth during tenure
- Designed and implemented fixed income trading infrastructure for institutional clients including City National Bank, Bank Investment Group, and Thomas Weisel Partners
- Led migration of legacy trading systems to Bloomberg institutional workflows
- Trained and mentored junior sales professionals on complex electronic trading system deployments
Education
University of Texas at Austin — McCombs School of Business
Professional Certificate, Full Stack Development — 2024
Professional Certificate, Cloud Computing — 2023
Texas Christian University
Bachelor's Degree — 1998
Certifications
- FINRA Series 7
- FINRA Series 63
- Google Cloud Platform Certified