I'm a top-rated video and sound editor with 8+ years of video editing and over 20 years in music composition, sound design and audio production. I specialize in explaining and corporate videos, long-form and short-form content (shorts, reels, TikTok), and Zoom-based sales videos for authors, coaches and experts. I use AI tools to speed up repetitive tasks so I have more time for creative storytelling, motion design and high-quality sound. As a freelance professional, I create high-impact short-form content from webinars and long-form videos, manage all post-production, and deliver ready-to-publish videos optimized for YouTube and social platforms. I collaborate with performers and producers to tailor music pieces, and provide voice coaching and sound design as needed.

Vasileios Tsantis

PRO

I'm a top-rated video and sound editor with 8+ years of video editing and over 20 years in music composition, sound design and audio production. I specialize in explaining and corporate videos, long-form and short-form content (shorts, reels, TikTok), and Zoom-based sales videos for authors, coaches and experts. I use AI tools to speed up repetitive tasks so I have more time for creative storytelling, motion design and high-quality sound. As a freelance professional, I create high-impact short-form content from webinars and long-form videos, manage all post-production, and deliver ready-to-publish videos optimized for YouTube and social platforms. I collaborate with performers and producers to tailor music pieces, and provide voice coaching and sound design as needed.

Available to hire

I’m a top-rated video and sound editor with 8+ years of video editing and over 20 years in music composition, sound design and audio production. I specialize in explaining and corporate videos, long-form and short-form content (shorts, reels, TikTok), and Zoom-based sales videos for authors, coaches and experts. I use AI tools to speed up repetitive tasks so I have more time for creative storytelling, motion design and high-quality sound.

As a freelance professional, I create high-impact short-form content from webinars and long-form videos, manage all post-production, and deliver ready-to-publish videos optimized for YouTube and social platforms. I collaborate with performers and producers to tailor music pieces, and provide voice coaching and sound design as needed.

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Language

English
Advanced
Greek, Modern
Fluent

Work Experience

Explainer Videos 2D at www.netarx.com
September 29, 2024 - Present
Explainer Videos , with Ai Vo and Motion Design
Freelance Video Editor & Audio Specialist at Upwork (Remote)
December 1, 2023 - Present
Top-Rated Plus freelancer on Upwork; edit explainer, corporate and promotional videos for international clients. Create high-impact short-form content from webinars, Zoom calls and long-form videos. Handle sound design, audio cleanup, mixing and mastering for video projects. Use AI tools to speed up repetitive tasks and free time for storytelling, motion design and high-quality sound.
Freelance Video Editor at Remote Upwork
January 1, 2018 - Present
Edit promos, social media videos and explainer content for various clients. Manage post-production: cutting, pacing, basic color correction and motion graphics. Deliver ready-to-publish videos optimized for YouTube and social platforms. Use AI tools for efficiency.
Music Arranger & Composer at Freelance (Self-Employed)
January 1, 2001 - December 31, 2017
Compose, arrange and produce music for artists, TV and media projects. Collaborate with performers and producers to create tailored musical pieces.
Sound Engineer (External Partner) at Radio Health Magazine
September 1, 2016 - September 1, 2017
Recorded and edited voice for Radio Health Magazine. Performed audio clean-up, EQ, compression and mastering for broadcast quality.
Voice Coach at Julie Massino
September 1, 2009 - January 1, 2011
Provided vocal coaching and repertoire guidance to singers.
Music Composer & Producer at TV Series 'Yiayia Yi Yo' (BM CHellas S.A.)
January 1, 2009 - March 1, 2011
Composed and produced 10 original songs for the TV series.
Assistant Sound Engineer & Music Arranger at Room's Recording Studio
September 1, 1998 - September 1, 1999
Supported music arrangement for studio projects; assisted in recording sessions.
Video Editor & Sound Engineer at Upwork (Remote)
December 1, 2023 - Present
Edit explainer, corporate and promotional videos for international clients. Create high-impact short-form content from webinars, Zoom calls and long-form videos. Handle sound design, audio clean-up, mixing and mastering for video projects. Use AI tools (Veed.io, Opus, Runway ML, Eleven Labs, Adobe Sensei) to speed up tasks and improve efficiency.
Video Editor & Sound Engineer at Self-Employed / Freelance
January 1, 2018 - Present
Edit promos, social media videos and explainer content for various clients. Manage all post-production: cutting, pacing, basic color correction and motion graphics. Deliver ready-to-publish videos optimized for YouTube and social platforms.
Music Arranger & Composer at Freelance Self-Employed
January 1, 2001 - January 1, 2017
Compose, arrange and produce music for artists, TV and media projects. Collaborate with performers and producers to create tailored musical pieces.
Voice Coach & Repertoire at Julie Massino
September 1, 2009 - January 1, 2011
Provided vocal coaching and repertoire guidance to singers.
Music Composer & Producer at TV Series Yiayi Yi io, BMC Hellas S.A.
January 1, 2009 - March 1, 2011
Composed and produced 10 original songs for the TV series.
Assistant Sound Engineer & Music Arranger at Rooms Recording Studio
September 1, 1998 - September 1, 1999
Assisted in recording, mixing and editing sessions. Supported music arrangement for studio projects.

Education

Self-taught & professional training in music, sound engineering and video production at Self-directed study
September 1, 1997 - December 11, 2025

Qualifications

Self-taught & professional training in music and video production
January 11, 2030 - December 11, 2025

Industry Experience

Media & Entertainment, Professional Services
    paper Short promo video for photographer and educator Corey Reese

    • Cut and structured the talking-head footage into a tight, engaging 1-minute promo with a clear hook and call to action.
    • Added motion graphics and on-screen text to emphasize key points about freedom, passive income and financial security.
    • Applied color correction and light visual polish to keep the focus on the speaker while maintaining a clean, modern look.
    • Selected and mixed background music to support an inspiring, motivational tone without overpowering the voice.
    • Performed full audio post (EQ, compression, noise reduction) to ensure clear, professional dialogue throughout the video.
    paper short “before/after” style video explaining the AVI

    For this project I created a short “before/after” style video explaining the AVI (Artificial Verifiable Intelligence) concept.

    Responsibilities:

    • Edited raw interview-style footage into a concise story that clearly defines what AVI is and why it matters.
    • Cleaned cuts, removed pauses and tightened pacing to keep the viewer engaged.
    • Added simple motion design and on-screen text to emphasize key phrases and terms.
    • Performed basic sound design and audio polishing to improve clarity and presence of the speaker.
    paper Sannam fintech HR explainer

    Edited and animated a fintech HR explainer for Sanaam, handling video editing, motion graphics and full sound design to clearly present the benefits of earned wage access to HR leaders.

    paper Visionova Promo Video

    Edited and animated an HR promo video using real voiceover, modern motion graphics and full sound design (music selection, mixing, and audio balancing) to deliver an inspiring, leadership-focused brand message.

    paper Reebelo Ad

    • Edited and animated a conversion-focused ad, combining video editing, motion design, and AI voiceover.
    • Handled full audio post-production, ensuring clear voiceover and impactful sound design.
    • Optimized visual flow to effectively communicate product value and drive engagement.
    paper Netarx Promo Video

    For this project I was responsible for the full post-production of a 4-hour Chopin study and relaxation video for YouTube.

    Video editing & structure:

    • Assembled and organized multiple classical piano pieces into a continuous 4-hour format.
    • Created a smooth, distraction-free visual flow suitable for long listening sessions.
    • Added subtle transitions and pacing adjustments to avoid visual fatigue.

    Motion design:

    • Designed a clean, minimal visual style that matches the calm, classical mood.
    • Created gentle motion graphics and looping background animation to keep the image alive without distracting from the music.
    • Added simple on-screen titles/labels for the video branding.

    Sound design & audio post:

    • Cleaned and balanced the piano recordings for consistent volume and tone across the full 4 hours.
    • Applied EQ, compression and noise reduction where needed to achieve a warm, pleasant sound.
    • Ensured seamless crossfades between tracks so the listener experiences a continuous, uninterrupted ambiance.

    AI voiceover:

    • Used AI voice technology to generate a clear, neutral voiceover for the intro/outro and channel messaging.
    • Wrote and recorded short lines for branding and calls-to-action, then mixed them naturally with the music bed.

    Overall, I combined video editing, motion design, sound design and AI tools to deliver a polished, relaxing long-form video optimized for studying, focus and relaxation on YouTube.