About us



My professional life

As an independent Production Sound Mixer I am working with my own equipment for German and international film and TV productions. More info is available at IMDb and Crew United.

I have also worked in part time as an Apple Consultant and Mac Supporter for many years. Since 2004 I am a registered Apple Developer and try to assist others in designing high quality apps and web services. I launched Geek Out in 2010.

Experience in Photography and Film / TV Production

• 1978-1979 Internship at the Advertising Agency B+M in Dortmund, Germany
• 1979-1984 Working as a freelance photographer in advertising
• 1981-1990 Studies in Photography and Film Design at FH Dortmund
• 1981-1989 working as Sound Mixer for Documentary productions
• 1981-1992 cooperation on projects in Art House movie theaters
• 1984-1996 Boom Operator for various film and TV productions
• 1989-1999 Side business as a Stills Photographer
• Since 1996 Production Sound Mixer in self-employment
• Since 2002 Member at the Society for German Sound Engineers (Verband Deutscher Tonmeister, VDT))
• Since 2009 Member of the Audio Engineering Society (AES)

References as Production Sound Mixer

IMDbCrew United

Experience in Apple Consulting and Development

• 2003-2008 Side business as Apple Consultant and Mac Supporter
• Since 2004 Registered Apple Developer
• Since 2006 Cooperation in various Web-, Mac-, and iOS projects
• Since 2010 Publisher of the popular Mac & iOS blog Geek Out

Professional experience abroad

Belgium, England, France, Greece, India, Italy, Nepal, Netherlands, Austria, Scotland, Switzerland, Senegal, Spain, Sri Lanka, Tunesia, U.S.A.


German (Mother tongue), English (fluent)


Design, Development, Movies, Photography, Music, Aerospace, Travel, Technology.

More about Mathias Rhein…