He is the co-founder and chief technology officer of Layer3 TV , and served previously as the chief technology officer for Comcast and AT&T Broadband .
David Fellows ( born September 19 , 1952 ) is an American engineer , entrepreneur , and scientist .
David Fellows is the engineer and chief technology officer of Layer3 TV , and served previously as the chief technology officer for Comcast and AT&T Broadband .
David Fellows ( born September 19 , 1952 ) is an American engineer , entrepreneur , and scientist .