Our Work

Portfolio

Case studies demonstrating governed AI craftsmanship.

Fitness Technology

Personal Training Research Bundle

4-week corrective exercise program with 30 research-grounded exercises across 3 training days, integrated movement quality tracking (Clean / Grind / Miss), and local gym facility analysis. 22 peer-reviewed sources with three-layer citations linking every evidence claim to its original passage.

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AI Verification

When AI Gets It Wrong

9 errors in 4,392 source items. A gaming build guide that revealed three categories of AI verification failure—and a methodology applicable to legal research, software documentation, and clinical evidence.

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Data Engineering & Public Health Tools

Free Nutrition Tools That Do the Math

Calorie calculator, restaurant meal finder, and home meal cookbook — all built on verified USDA data, all free, all private. 11,297 menu items, 38 recipes, zero cost to users.

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Professional Services

BAF Training Website

Complete website build with pricing transparency research, testimonial integration, and values-aligned business design.

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Research

Rowan School Research

Kindergarten selection with 97.6% verified data, custom jeong framework, and live decision tool. 4 hours, 17 concerns resolved.

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Grant Evaluation

Verifiable Grant Application Assessment

Retrospective evaluation of a real DC small business against published DMPED scoring criteria. 34 sourced citations across 15 independent sources, with every claim linked to its original passage for two-click verification.

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Confidential Client Work

And More

Echo Angel Studio has produced governed research deliverables for professional services clients under confidentiality. This includes multi-article research suites with verified citations, policy analysis frameworks, benefits research and evidence compilation, and evidence synthesis operations supporting work across legal, regulatory, and policy contexts.

The portfolio items shown here represent our public-facing work. The depth and rigor of our confidential engagements is significantly greater.

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