Michael Cristofalo has over 20 years of software and hardware development experience. Prior to joining INVIDI in 2004, he was Vice President of Engineering at ACTV and was responsible for managing their cable product roll out. Mike has over 11 years of experience in Research and Development. He has lead digital set-top box development efforts at Philips and Motorola (formerly General Instrument). Mike has been working with Digital Television systems for over 15 years including both the picture in picture and High Definition system at Philips. Mike was CEO of Philadelphia Real Time, a digital video engineering consulting company, for 4 years where he worked with Diva Systems, General Instrument and Ravisent Technologies.