Our People

Key personnel involved in 25-Seven include:

Geoff Steadman, President
Steadman's recent broadcast industry work includes shepherding the CartChunk Standard (AES 46-2002) for audio file interchange among diverse broadcast audio systems. He may be best known for his tenure as product manager for the Orban Audicy and DSE 7000 radio production workstations.

Derek Pilkington
In the 1990s, Pilkington served as President of Studer Professional Audio AG and Orban. Prior to that he was VP of Operations and Engineering for AKG. Most recently, Pilkington headed technology development and operations for two leading-edge startups.

Rick Sawyer
Sawyer, currently a technology project management consultant, held both sales and product management positions at Orban. He started in the radio equipment field at IGM Communications and has also served Gentner Communications (now ClearOne).

Dick Pierce
Pierce is an active software developer, audio expert, and renowned loudspeaker designer. Pierce was Senior Software Manager for the AKG DSE-7000 and Orban Audicy workstations, and is currently engaged with a number of US and international companies in the fields of acoustics, audio, technical engineering and scientific applications.

Barry Blesser
Developer of the first commercial digital reverb for EMT in 1976, Blesser has amassed a reputation for technologies from digital audio workstations to handwriting recognition. A former M.I.T. professor, he served as Chief Technology Officer for Studer and is a past president of the AES. You can find some of his Radio World articles on our Food for Thought page.

Dan Griscom
Griscom has been the principal at Suitable Systems for fifteen years. He brings a broad range of experience to 25-Seven, including user-interface design, client-server technologies, and embedded systems.

We have other highly skilled engineering and software team members with extensive embedded-systems and real-time experience, strong analog and digital hardware design skills, and a substantial DSP effects design background. Our group has a significant intellectual property portfolio that is applied to 25-Seven products.