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William Tewelow

Washington, DC, USA

GISP-certified Geographic Information Systems professional with over 20 years of comprehensive geospatial intelligence and data management experience supporting federal agencies, defense contractors, and critical infrastructure operations. He holds a Master of Arts in Organizational Leadership with a concentration in Performance Management, a Bachelor of Arts in Intelligence Studies with a concentration in Geospatial Intelligence, and an Associate of Arts in Geographic Information Technologies. His professional certifications include GISP designation, Performance Management Professional (PMP), Business Management Essentials, Project Management Essentials, Lean Six Sigma, IS-3910 Imagery Interpreter Specialist (U.S. Navy), Airports-GIS Certification (FAA), and Contracting Officer Representative. He is currently completing AWS Cloud Practitioner Essentials, Getting Started with Storage, and Introduction to Amazon EC2 training through AWS Skill Builder. His core technical competencies encompass advanced proficiency in ESRI ArcGIS Pro, ArcGIS Online, ArcGIS Enterprise, Experience Builder, Dashboards, Survey123, Field Maps, StoryMaps, Google Earth, FalconView, Socet GXP, Global Mapper, RemoteView, ERDAS Imagine, and Bentley MicroStation. He possesses expert-level programming and automation skills including Python (Advanced), JavaScript, HTML, Oracle SQL, PostgreSQL, Visual Basic for Applications (VBA), OMNI21, API Development, and geospatial data processing workflows. His cloud infrastructure and emerging technologies expertise includes AWS foundational training, cloud-based geospatial workflows, enterprise system architecture, and AI integration across OpenAI, Anthropic, Gemini, Grok, Copilot, and Meta platforms. He demonstrates exceptional data management and quality capabilities including ISO 9001:2015 compliance, quality management systems development, metadata standards implementation, data validation, multi-source data integration, and performance management. His leadership and communication strengths include team leadership of 9-11 employees, stakeholder engagement, training delivery, technical documentation authoring of over 600 pages, 29 published articles in premier geospatial trade journals, and cross-functional coordination across federal agencies and international partners. Currently serving as Senior Geospatial Information Specialist supporting FEMA's Division for Emergency Communications since September 2025, he built and maintains the national-level GIS database of communications critical infrastructure assets across all 56 U.S. states, territories, and tribal regions.

William Tewelow

Posted 2025-12-23 under Analyst, Cartography, Geography, Geospatial, Government, Manager, Photogrammetry, Remote Sensing