I’m Sean Costello, an integrated media producer, video editor, and musician based in Sydney. Over more than two decades I’ve delivered high-impact audio-visual content across live events, broadcast, advertising, and the arts. I own and direct Big Day Media, collaborating with advertising agencies, event producers, councils, arts organisations, and national broadcasters to bring ideas to life from concept through post-production and on-site delivery. With 30+ years as a performing musician—featuring composition and sound design—I bring a storyteller’s instinct and sonic craft to every project. This blend of creativity and hands-on production know-how helps teams push boundaries and craft work that resonates with audiences.

Sean Costello

I’m Sean Costello, an integrated media producer, video editor, and musician based in Sydney. Over more than two decades I’ve delivered high-impact audio-visual content across live events, broadcast, advertising, and the arts. I own and direct Big Day Media, collaborating with advertising agencies, event producers, councils, arts organisations, and national broadcasters to bring ideas to life from concept through post-production and on-site delivery. With 30+ years as a performing musician—featuring composition and sound design—I bring a storyteller’s instinct and sonic craft to every project. This blend of creativity and hands-on production know-how helps teams push boundaries and craft work that resonates with audiences.

Available to hire

I’m Sean Costello, an integrated media producer, video editor, and musician based in Sydney. Over more than two decades I’ve delivered high-impact audio-visual content across live events, broadcast, advertising, and the arts. I own and direct Big Day Media, collaborating with advertising agencies, event producers, councils, arts organisations, and national broadcasters to bring ideas to life from concept through post-production and on-site delivery.

With 30+ years as a performing musician—featuring composition and sound design—I bring a storyteller’s instinct and sonic craft to every project. This blend of creativity and hands-on production know-how helps teams push boundaries and craft work that resonates with audiences.

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Work Experience

Director / Integrated Media Producer at Big Day Media
January 1, 2007 - Present
Founded and operate a boutique production company serving advertising agencies, event producers, councils, arts organizations, and corporate clients nationally. Lead Creative Media Producer for the Toyota Golden Guitar Awards (Tamworth) for 11 consecutive years—responsible for all AV content across 13+ live performances, 17 award presentations, and ~250 individual content pieces per event (approx. 300 hours pre-production, ~180 minutes live delivery). Created LED screen content for Kia at the 2019 Australian Open (Rod Laver Arena). Wrote and produced the jingle for NSW Government's Return and Earn campaign. Developed an augmented reality experience for Willoughby Council’s 'Human in the Wire' exhibition, fusing technology and fine art. Applied projection mapping for Burwood and Hawkesbury Councils' Christmas events and other artist exhibitions.
Senior Editor / Video Producer at Showcorp (now Live Event Services)
January 1, 2003 - January 1, 2009
In-house senior editor and Watch Out designer/programmer for a leading event management and technical production company. Managed full production pipeline: editing, motion graphics, 2D/3D animation, DVD authoring, audio engineering, music composition, and live Watch Out operation.
Video Editor / AV Producer at Infinity Media & Communications
January 1, 2005 - Present
Long-term freelance relationship delivering video and audio-visual production for the corporate market, from pre-production through post and delivery.

Education

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Qualifications

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Industry Experience

Media & Entertainment, Professional Services, Government, Non-Profit Organization, Other