I’m Charles J. Peck, an AI Audio Specialist with 25+ years of professional audio engineering experience. I translate subjective human judgment about speech aesthetics, emotional nuance, and conversational dynamics into consistent, high-fidelity AI training signals for SFT and RLHF workflows. As a training lead and mentor, I’ve led audio recording and sound engineering workshops for over a decade and served as Lead Trainer for AI Prompt Engineering in 2025, developing materials, guiding contributors, and establishing quality standards. I excel at annotation guidelines, QA auditing, calibration sessions, and cross-functional collaboration with product managers, researchers, and engineers, scaling expert judgment across distributed teams.

Charles J. Peck

I’m Charles J. Peck, an AI Audio Specialist with 25+ years of professional audio engineering experience. I translate subjective human judgment about speech aesthetics, emotional nuance, and conversational dynamics into consistent, high-fidelity AI training signals for SFT and RLHF workflows. As a training lead and mentor, I’ve led audio recording and sound engineering workshops for over a decade and served as Lead Trainer for AI Prompt Engineering in 2025, developing materials, guiding contributors, and establishing quality standards. I excel at annotation guidelines, QA auditing, calibration sessions, and cross-functional collaboration with product managers, researchers, and engineers, scaling expert judgment across distributed teams.

Available to hire

I’m Charles J. Peck, an AI Audio Specialist with 25+ years of professional audio engineering experience. I translate subjective human judgment about speech aesthetics, emotional nuance, and conversational dynamics into consistent, high-fidelity AI training signals for SFT and RLHF workflows.

As a training lead and mentor, I’ve led audio recording and sound engineering workshops for over a decade and served as Lead Trainer for AI Prompt Engineering in 2025, developing materials, guiding contributors, and establishing quality standards. I excel at annotation guidelines, QA auditing, calibration sessions, and cross-functional collaboration with product managers, researchers, and engineers, scaling expert judgment across distributed teams.

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Language

Work Experience

AI Audio Specialist & Creative Prompt Engineer (Freelance) at Freelance / Remote
January 1, 2023 - Present
Designed, tested, and refined prompts for AI systems supporting speech, audio, and multimedia generation. Evaluated AI outputs for speech quality, emotional alignment, prosody, and conversational realism. Developed annotation guidance and feedback frameworks to improve consistency and signal quality. Identified bias, inconsistencies, and failure modes in generative outputs. Collaborated with technical and creative stakeholders to align outputs with product goals. Documented workflows, standards, and best practices for internal use.
Lead Trainer – AI Prompt Engineering at Remote
January 1, 2025 - July 1, 2025
Led training initiatives for AI prompt engineering, focusing on quality, consistency, and evaluation. Mentored contributors on prompt design, iteration, and output assessment. Developed reusable training materials, guidelines, and evaluation criteria. Supported QA and calibration efforts to improve alignment across contributors.
Remote Audio Engineer & AI-Assisted Content Specialist at Mercor (Contract)
January 1, 2025 - Present
Supported AI-assisted audio and multimedia workflows. Integrated AI tools into professional production pipelines. Provided expert qualitative feedback on AI-generated speech and audio outputs.
Audio Engineer & AI-Assisted Content Specialist at Sol Studios
January 1, 2000 - Present
Supported AI-assisted audio and multimedia workflows.
Customer Success Specialist (SaaS & AI-Adjacent Products) at CompuLaw / Deadlines On Demand
January 1, 2003 - January 1, 2013
Led customer training, documentation, and feedback initiatives. Collaborated with product and technical teams to improve usability and adoption. Contributed over $500K in revenue through relationship-driven engagement.

Education

GED at Edison High School
September 8, 1980 - June 15, 1984
Over 35 years experience as a freelance Audio Engineer.

Qualifications

Certified Prompt Engineering (ChatGPT, Jasper, MidJourney, Systeme.io)
January 11, 2030 - February 19, 2026
Resonance Academy – Sound Frequency & Audio Design
January 11, 2030 - February 19, 2026
Dale Carnegie Sales Certification
January 11, 2030 - February 19, 2026
NLP Training
January 11, 2030 - February 19, 2026
Certified Prompt Engineering (ChatGPT, Jasper, MidJourney, Systeme.io)
January 11, 2030 - February 19, 2026
Resonance Academy – Sound Frequency & Audio Design
January 11, 2030 - February 19, 2026
Dale Carnegie Sales Certification
January 11, 2030 - February 19, 2026
NLP Training
January 11, 2030 - February 19, 2026

Industry Experience

Retail, Computers & Electronics, Healthcare, Media & Entertainment, Software & Internet, Professional Services, Education, Other
    paper Sol Studios Meditation Audio

    For the series of Chakra Meditations provided by Sol Studios, I created all of the frequency music compositions. Examples available upon request.

    paper BlackJacks Rock Band

    Remastered song from the 4 piece band BlackJacks. This song is available to send to you via WhatsApp, or any file sharing program.