Iwan 'e1' Rahabok was the first VMware SE for strategic accounts in ASEAN. Joining VMware in 2008 from Sun Microsystems, he has seen how enterprises adopt virtualization and cloud computing and reap the benefits while overcoming the challenges. It is a journey that is very much ongoing and the book reflects a subset of that undertaking. Iwan was one of the first to achieve the VCAP-DCD certification globally and has since helped others to achieve the same, via his participation in the community. He started the user community in ASEAN, and today, the group is one of the largest VMware communities on Facebook. Iwan is a member of VMware CTO Ambassadors program since 2014, representing the Asia Pacific region at the global level and representing the product team and CTO office to the Asia Pacific customers. He is a vExpert since 2013, and has been helping others to achieve this global recognition for their contribution to the VMware community. After graduating from Bond University, Australia, Iwan moved to Singapore in 1994, where he has lived ever since.