Gregan Crawford is Product Marketing Manager for the Network Systems Test Division of Agilent Technologies. He has been involved with ATM and ATM testing since the mid 1980s. From 1993 to 1999, he was the first chair of the ATM Forum's Test Working Group and a member of the ATM Forum's Technical Committee management team. He is currently Agilent's primary representative for the ATM Forum and has contributed to several books on ATM.