Diamondcluster International Inc $0 Navigant Consulting Inc $2,675,172 Echo Global Logistics Inc $1,936,450 Medassets Inc $0 Cboe Holdings, Inc. $0 Express Scripts Inc $0 Diamondcluster International Inc $0 Navigant Consulting Inc $2,675,172 Echo Global Logistics Inc $1,936,450 Medassets Inc $0 Cboe Holdings, Inc. $0 Express Scripts Inc $0