Stephan Jeffery
Stephan Jeffery

Customer Experience + AI Training Apprentice

Actively looking · Member since 17 Jul 2025
Message
Location
United States
Desired salary
Unspecified
Work preference
Full Time
Experience level
Not set

About

Professional summary

Adaptable and detail-oriented professional with a unique blend of customer service expertise and AI training experience. Brings over a decade of experience in hospitality, retail, and medical settings, paired with recent technical roles involving data annotation, content moderation, and language model training. Known for strong communication, cultural fluency, and the ability to quickly learn and apply new systems and technologies. Seeking to leverage interpersonal and analytical skills in a role that bridges service excellence and innovative technology.

Skills

9 capabilities

Experience

Career history

Audio & Video Annotation & Prompt Generation RWS

Labeled and analyzed audio-visual data to improve machine learning for speech and sound recognition. Tagged speaker identity, tone, and ambient noise for training AI in real-world contexts. Created and tested prompts for large language models to enhance conversational ability and intent recognition.

Quality Rater Welocalize

Evaluated digital content for relevance and factual accuracy in training AI systems. Rated claims in images and videos and performed text relevance assessments to improve model outputs. Test new algorithms or AI responses and compare versions.

Data Annotation Specialist Data Annotation

Labeled entities in text and validated ML outputs for accuracy and usability. Simulated user queries and analyzed responses for AI dialogue improvement. Designed clear, specific, and structured prompts to guide the AI.

Social Media Evaluator Appen

Analyzed multimedia content for accuracy, safety, and contextual tagging. Flagged inappropriate material and contributed to safer user experiences online. Evaluated how well platform-generated feeds, recommendations, or search results reflect user intent or interests. Annotated tone, media type, language, or target audience to help algorithms better understand content.

Transcriptionist/Captioner Teamwork.AI

Transcribed audio and video content. Created captions for accessibility.

Customer Service Experience/ Massage Therapy & Customer Service Various spas and mobile business

Managed client intake, scheduling, and follow-ups by phone and email. Documented patient notes and maintained professional rapport across treatments. Addressed client needs with discretion and care in fast-paced environments.

Sales & Client Consultant Art Gallery & Frame Shop

Provided high-level sales and consultation for custom framing and fine art services. Assisted clients with selecting mats, frames, and mounting styles tailored to their pieces. Consistently upsold museum-grade materials while maintaining high satisfaction. Handled customer service via phone, email, and in-store visits.

Customer Service/Cashier Various Department and Retail Locations

Processed returns, answered inquiries, and resolved in-store disputes. Delivered front-line customer service across seasonal and full-time roles. Gained cross-training in stocking, display setup, and customer engagement.

Concierge/Front desk Upscale Hotels

Delivered five-star guest service via phone, email, and in-person interactions. Assisted with bookings, event tickets, and local arrangements. Provided personal guest support, including in-room service requests and concierge duties.

Education

Learning history

Google Coursera

IT Support

Learned to perform day-to-day IT support tasks including computer assembly, wireless networking, installing programs, and customer service. Learning to use systems including Linux, Domain Name Systems, Command-Line Interface, and Binary Code. End-to-end customer support, ranging from identifying problems to troubleshooting and debugging.

Daniels Institute

Associate Health Sciences

Human Anatomy & Physiology, Kinesiology, Therapeutic Techniques, Client Assessment & Documentation, Ethics and Professional Practice.

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