In 1997, Burr co-founded NetZero, with Stacy Haitsuka, Harold McKenzie and Marwan Zebian. In 1998, NetZero received initial venture capital from idealab and Bill Gross and later Draper Fisher Jurvetson and Compaq. Burr managed NetZero through its early growth.
In 1997, Burr co-founded NetZero with Stacy Haitsuka, Harold McKenzie, and Marwan Zebian.  NetZero received its first venture capital funding from idealab and Bill Gross in 1998, with Draper Fisher Jurvetson and Compaq joining later. Burr managed the growth of NetZero during its early development phase.