Mike Armstrong is a Sr. Site Reliability Engineer at VMware that supports OneCloud, VMware's private cloud environment. He is also a VMware vExpert and has been working with virtualization technologies since 2005. He has been in the IT industry for 30 years and has worked with various technologies. Mike's certifications include VCAP5-DCA, VCP4 & 5, MCITP, MCSE, and ITILv3.

Alexandre Borges is an Oracle ACE in Solaris and has been teaching courses on Oracle Solaris since 2001. He worked as an employee and a contracted instructor at Sun Microsystems, Inc. until 2010, teaching hundreds of courses on Oracle Solaris (such as Administration, Networking, DTrace, and ZFS), Oracle Solaris Performance Analysis, Oracle Solaris Security, Oracle Cluster Server, Oracle/Sun hardware, Java Enterprise System, MySQL Administration, MySQL Developer, MySQL Cluster, and MySQL tuning. He was awarded the title of Instructor of the Year twice for teaching Sun Microsystems courses.

Since 2009, he has been imparting training at Symantec Corporation (NetBackup, Symantec Cluster Server, Storage Foundation, and Backup Exec) and EC-Council (Certified Ethical Hacking (CEH)). In addition, he has been working as a freelance instructor for Oracle education partners since 2010.

In 2014, he became an instructor for Hitachi Data Systems (HDS) and Brocade. Currently, he also teaches courses on Reverse Engineering, Windows Debugging, Memory Forensic Analysis, Assembly, Digital Forensic Analysis, and Malware Analysis. Alexandre is also an (ISC)2 CISSP instructor and has been writing articles on the Oracle Technical Network (OTN) on a regular basis since 2013. He has also authored Oracle Solaris 11 Advanced Administration Cookbook by Packt Publishing.

Mario Russo has worked as an IT architect, a senior technical VMware trainer, and in the presales department. He has also been working on VMware technology since 2004. In 2005, he worked for IBM on the first large project Consolidation for Telecom Italia on the Virtual VMware ESX 2.5.1 platform in Italy with the Physical to Virtual (P2V) tool. In 2007, he conducted a drafting course and training for BancoPosta, Italy, and project disaster and recovery (DR Open) for IBM and EMC. In 2008, he worked for the project Speed Up Consolidation BNP and the migration P2V on VI3 infrastructure at BNP Cardif Insurance.

He is a VMware Certified Instructor (VCI Level 2) and has a certificate in VCAP5-DCA. He is the owner of Business to Virtual, which specializes in offering virtualization solutions. He was also the technical reviewer of Implementing VMware Horizon View 5.2, Implementing VMware vCenter Server, Troubleshooting vSphere Storage, and VMware Horizon View 5.3 Design Patterns and Best Practices.

Aravind Sivaraman is a virtualization consultant with more than 8 years of experience in the IT industry. For the past 5 years, he has been focusing on virtualization solutions, especially VMware products. He holds different certifications from VMware, Microsoft, and Cisco and has been awarded with the VMware vExpert title for 2013 and 2014. He is a VMware Technology Network (VMTN) and Experts Exchange contributor. He maintains his personal blog at http://aravindsivaraman.com/ and can be followed on Twitter @ss_aravind.

He has also technically reviewed Troubleshooting vSphere Storage and is the co-author of VMware ESXi 5.1 Cookbook, both by Packt Publishing.