John (D.) Heinz-Writing & Video Evaluation Analyst – AI Content R&D
Check rate
Experience
Writing & Video Evaluation Analyst – AI Content R&D
OpenAI
- Optimized ChatGPT outputs by refining AI-generated content for clarity, consistency, and brand alignment, enhancing tone and relevance across diverse queries to drive user engagement and trustworthiness for OpenAI-supported content initiatives.
- Designed multi-factor scoring frameworks to evaluate AI content quality, tone accuracy, and performance, providing actionable feedback to improve response accuracy and versatility across industries.
- Collaborated with AI researchers and data scientists to develop ethical, inclusive, and innovative content strategies, ensuring ChatGPT delivers scalable, user-resonant responses for real-world fintech and tech applications.
- Conducted edit tests and deep optimization using Feather AI, reviewing, refining, and aligning model outputs across 5,000+ queries for clarity, grammar, and branded voice consistency.
- Conducted structured evaluations of AI-generated video outputs, assessing narrative coherence, visual quality, factual grounding, and prompt alignment to improve model performance across generative video use cases.
Senior Content Marketing Strategist
eVisit
- Developed content campaigns (blogs, white papers, social) to drive engagement and lead generation in digital health, optimizing telemedicine content with SEO best practices to boost organic traffic and conversions for healthcare professionals and patients.
- Performed comprehensive edit tests and copyediting on digital health compliance and thought leadership content, ensuring accuracy, regulatory adherence, and readability across blogs, white papers, and marketing materials for healthcare professionals.
- Conducted market research and competitor analysis to craft strategic content plans, collaborating with designers and developers to produce user-friendly, visually appealing assets that aligned with business goals and maximized ROI via CMS and automation platforms.
Senior Copywriter
Jung Von Matt
- Crafted persuasive English copy for major global brands including Hyundai, Goldwell, and KAO Corporation, leveraging consumer insights and market research to create industry-leading campaigns across luxury automotive, beauty, and lifestyle sectors that strengthened market presence and drove brand loyalty for affluent audiences.
Senior Copywriter
Supertext
- Crafted compelling copy for brands like The Swatch Group, Puma, Keith Haring, and Disney, developing influential brand narratives that boosted engagement, brand loyalty, and market presence for diverse audiences.
Founder & Chief Creative Strategist, Creative Intelligence & AI Innovation Lead
Ultra Unlimited
- Led strategic vision and execution across 200+ creative campaigns, uniting brand psychology, narrative systems, and AI-enhanced storytelling to deliver emotionally resonant cross-platform experiences.
- Developed scalable creative infrastructures, including A/B testing libraries, prompt matrices, and editorial frameworks to streamline workflows and ensure message fidelity across mediums.
- Built and refined multi-model pipelines integrating ChatGPT (GPT-4o), Claude 3, Perplexity, Runway ML, and Visla to support multimodal narrative development and concept visualization.
- Designed inclusive, culturally fluent campaigns for enterprise, Ultra Unlimited NGO, and luxury clients, embedding accessibility and ethical messaging in alignment with Responsible AI principles.
- Directed and QA’d diverse content outputs, from symbolic imagery and web-native video to press releases, white papers, and long-form articles, ensuring narrative cohesion and brand precision.
- Codified Ultra Unlimited’s Creative Intelligence Methodology, synthesizing AI tooling with archetypal narrative design and emotional-aesthetic alignment for generative content at scale.
Content Strategist
Millionaire Mentor
- Pioneered revolutionary content strategies for Jason Stone (Millionaire Mentor), driving $10M+ in revenue through groundbreaking audience psychology frameworks and behavioral targeting methodologies that became industry benchmarks.
- Developed comprehensive A/B testing protocols and content optimization frameworks for financial education materials, maintaining editorial excellence and regulatory compliance across all digital formats.
Industry experience
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Experienced in Advertising, Media and Entertainment, Education, Banking and Finance, Information Technology, and Healthcare.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Marketing, Information Technology, Strategy, Research and Development, Business Intelligence, and Quality Assurance.
Summary
Creative technologist and strategist with 13+ emotional-aesthetic alignment for generative content at scale years of experience leading content innovation, brand storytelling, and AI-enhanced design.
Founder of Ultra Unlimited, where I integrate generative tools and narrative systems to craft emotionally resonant, culturally adaptive campaigns for global brands.
Skilled in visual content, editorial design, and multimodal creative workflows powered by tools like ChatGPT, Gemini, Notion AI, and Runway. Mercor,
Skills
- Creative Strategy & Narrative Intelligence: Strategic Vision, Storytelling Frameworks, Brand Psychology, Archetypal Messaging
- Ai Tools & Multimodal Content Innovation: (Chatgpt, Claude, Gemini, Runway, Visla, Dall·E 3, Stable Diffusion Xl, Notion Ai)
- Ai Tools & Multimodal Content Innovation: Bridging Narrative, Visual, And Editorial Output Across Platforms
- Content Systems & Optimization: Content Architecture, Editorial Qa, Seo, A/B Testing, And Performance Refinement
- Cross-Platform Campaign Execution: Orchestrating Cohesive Narratives Across Web, Social, Mobile, And Experiential Formats
- Inclusive & Ethical Communication: Responsible Ai, Accessibility, And Culturally Adaptive Messaging Embedded In All Output
Languages
Education
University of Vermont
Master's of Transformative Social Work · Transformative Social Work · Burlington, United States
University of Vermont
Bachelor's of Social Work/Political Science: International Relations · Social Work/Political Science: International Relations · Burlington, United States
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
John is based in Woodstock, United States.
John speaks the following languages: Spanish (Native), English (Advanced), German (Elementary).
John has at least 15 years of experience. During this time, John has worked in at least 5 different roles and for 6 different companies. The average length of individual experience is 2 years and 5 months. Note that John may not have shared all experience and actually has more experience.
Based on recent experience, John would be well-suited for roles such as: Writing & Video Evaluation Analyst – AI Content R&D, Senior Content Marketing Strategist, Senior Copywriter.
John's most recent position is Writing & Video Evaluation Analyst – AI Content R&D at OpenAI.
In recent years, John has worked for OpenAI, eVisit, Jung Von Matt, and Ultra Unlimited.
John is most experienced in industries like Advertising, Media and Entertainment, and Education. John also has some experience in Banking and Finance, Information Technology, and Healthcare.
John is most experienced in business areas like Marketing, Information Technology, and Strategy. John also has some experience in Research and Development, Business Intelligence, and Quality Assurance.
John has recently worked in industries like Advertising, Media and Entertainment, and Information Technology.
John has recently worked in business areas like Marketing, Information Technology, and Strategy.
John holds a Master in Transformative Social Work from University of Vermont and a Bachelor in Social Work/Political Science: International Relations from University of Vermont.
The availability of John needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
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The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 31 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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