What chair is Adam Sender using in this pic of his 20-monitor set up (http://www.oobject.com/trading-places/hedge-fund-manager-adam-sender039s-20-monitor-set-up

What chair is Adam Sender using in this pic of his 20-monitor set up (http://www.oobject.com/trading-places/hedge-fund-manager-adam-sender039s-20-monitor-set-up/3730/ http://www.oobject.com/trading-places/hedge-fund-manager-ada...)?