Marisa Sloper
Ai Model Trainer & Evaluation Expert (Generative Ai) @Outlier Ai
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WORK HISTORY
Ai Model Trainer & Evaluation Expert (Generative Ai) @Outlier Ai
Contributing to AI model training and data annotation for large language models (LLMs), including GPT-4, Claude and Gemini. I evaluate and label model outputs across text, speech and vision–language tasks, rating quality, accuracy, tone and safety. This hands-on LLM and multimodal evaluation experience complements my senior marketing background and informs how I approach AI-enabled marketing strategy, content scalability and workflow automation. Practical experience evaluating model outputs provides unique insight into model capabilities and limitations. Gaining first-hand exposure to AI development and LLM capabilities that complement my marketing expertise.• Hands-on evaluation experience with multiple leading LLM systems (GPT-4, Claude, Gemini)• Maintains a 99.5% quality accuracy in AI training data, directly impacting model performance• Holds an 8% “Exceptional” performance rating for consistently high-quality contributions• Expands AI knowledge through direct evaluation of each model\'s capabilities and characteristics• Multi-modal exposure builds the foundation for informed tool selection and vendor evaluation
EDUCATION
CIM | The Chartered Institute of Marketing
Marketing Leadership Programme Level 7, Marketing
Thurston Upper School
GCSE Qualifications, Grades B-C
West Suffolk College
LCCI Private Secretary's Certificate
CIM | The Chartered Institute of Marketing
Introduction to Public Relations
West Suffolk College
BTEC National Diploma in Leisure Studies
Gateway Qualifications
Principles of Social Media & Social Networking Management for Business
CIM | The Chartered Institute of Marketing
Search Engine Marketing
Asian Institute of Management & Leadership
The Foundations of Effective Management
Oxford Brookes University
BA Hons 2.1, Retail Management & Tourism
SKILLS
ABOUT MARISA SLOPER
I lead marketing where purpose, performance, and the intelligent use of AI go hand-in-hand - particularly in high-governance, trust-dependent environments where reputation, accountability, and results matter. I combine 20+ years of cross-sector experience with hands-on AI expertise that most marketers simply don\'t have.My focus is simple: align marketing with organisational ambition and deliver measurable growth. I build integrated strategies that connect brand, acquisition, engagement, and retention, ensuring creativity is underpinned by data, operational discipline, and commercial clarity.I’m also an AI Trainer with Outlier, contributing to the evaluation and improvement of frontier large language models, including GPT-4, Claude and Gemini. This practical experience building and refining AI systems gives me a unique insight into model capabilities and limitations, with first-hand exposure to AI developments. This strengthens the way I approach AI-enabled marketing - with curiosity, critical judgement and first-hand experience of stress testing AI models. Selected highlights:• Transformed organisational visibility• 163% year-on-year growth in enquiries• 22% improvement in campaign ROI through AI-driven optimisation• 10% year-on-year growth in direct acquisition• Database growth from to in 18 months• Directed up to £1.5m marketing budgets for consumer brands• Achieved 80% customer retention and 98% customer satisfaction • Worldwide Top Student, CIM Level 7 - Chartered Institute of Marketing• Secured industry awards and recognition for consumer and B2B organisationsI care deeply about building high-performing, values-led teams, developing future leaders and creating long-term relationships grounded in trust. Known as an empathetic connector, I bring people together around clear strategy, shared purpose, and measurable outcomes.Open to: Senior Marketing, Growth & Fundraising, AI Educator & Interim roles.Are you looking for a marketing leader who combines strategic depth, commercial discipline, and genuine AI capability? Whether that\'s a senior role, fractional engagement, or AI-enabled transformation project - let\'s connect
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