(John) helped to build and launch one of the most exciting and innovative education programs ever developed.
Clearly, (he is) extraordinary.
--William J. Bennett, Former Secretary of Education (2001)
John Kozubik has done outstanding work for Yahoo, Inc. over the last three years. John designed and implemented several of our CRM and customer support packages and the back end database and storage solutions that continue to support them to this day. Further, John designed the framework and provided the first working models of the Yahoo collocation division, as seen at http://servers.yahoo.com. Finally, on several occassions spanning his three year relationship with Yahoo, Inc., John responded to emergency service outages and, with unparalleled skill in disaster recovery, restored services that were assumed permanently disabled.
--Raaf Sundquist, , Yahoo, Inc. (2000)