There are four principle players in CSS Audio, Inc;
Mike, Dan, Dave, and Sam.

They are the four crew chiefs. There are many associate, contract laborers, and part time employees on hand and available as laborers and technicians when needed. All are hand picked to insure that our attitude and presentation remains constant. There is no “A” TEAM, or “B” TEAM, there is just “THE TEAM”. The management of CSS Audio, Inc. is dedicated to a professional attitude of service. Regardless of who controls your event, the result will be consistent and proper.



Mike Grimm
Pres. CSS Audio, Inc.
Pres. Ear For Sound Inc.

As a musician Mike played in various rock, jazz, and blues bands. He was also an Allstate percussionist. He later operated a mobile recording service that recorded and produced over 75 LP albums and numerous 45RPM singles. (Remember those?) Mikes extensive experience in ‘live’ recording, sound reinforcement, and as a musician created the foundation for his company.

His focus at CSS Audio, Inc. is divided between administrative and hands-on duties. He is the FOH engineer for the Milwaukee Symphony Orchestra for their outdoor events and when they are not in their ‘home theater’, and also acts as the Production Manager for comedian Gary Mule Deer.



dan_bioDan Grimm
General Manager. CSS Audio, Inc.

Dan started working for CSS Audio in the summer of 1997 building his knowledge of sound, lighting, and staging equipment. Dan holds an Associates Degree in Business Management from Bryant and Stratton Business School in Buffalo, New York.

While in Buffalo, Dan worked for Theater Pro as a home theater installer. At Theater Pro, Dan was required to pre-wire new construction houses for whole house audio, home automation, and multi-room video applications. He also helped program the automation of these systems through RTI remote control systems, and installed the audio and video components. Dan ran sound at Faith Fellowship Church in Clarence, New York andwas hired as the sound ministry supervisor.




Dave Ferrell
Systems Tech & Crew Chief. CSS Audio, Inc.

Dave has been an employee of CSS Audio since 2002. His audio experience began in his teens working with are bands. He also honed his abilities as an audio engineer at his church.

His professional career began as a part time audio technician at the Peoria Civic Center. He ultimately became an Event Coordinator and the Audio Manager where he was able to learn about touring concert and theatrical production, corporate meetings, theater, and event planning and management. This is where he met Mike Grimm and CSS Audio. After 8 years at the Civic Center, Dave took advantage of an opportunity with CSS Audio to advance his audio career and help CSS Audio expand its business.




Sam Thompson
Systems Tech & Crew Chief. CSS Audio, Inc.

Sam has worked with CSS Audio since the summer of 2010. His audio experience began at age 5 following his dad who would travel to run sound for a gospel trio. In his teen years Sam began working in summer youth camps as an apprentice to the sound engineer and later became the lead system technician. He also honed his audio skills working consistently with local churches and bands starting at the age of 16.

His professional career started in 2008 working in live sound, lighting, and mobile staging in Champaign, IL. For two years he worked as a sound and lighting technician through a local production company providing equipment, systems, and technical support through venues like University of Illinois theaters and the Assembly Hall (Now)-State Farm Center.