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Arnal Dayaratna is an accomplished technology and business leader with specific expertise as a Big Data, Cloud Computing and Technology Evangelist. Arnal specializes in cloud computing and Big Data technologies and has facility in both quantitative and qualitative research frameworks. He has deep domain knowledge of virtualization platforms, open source cloud computing, distributed computing and Big Data technology. He is a recognized public speaker and corporate strategy leader known for building high performing, winning teams. Arnal is also a sports writer with specialties in Brazilian soccer, men's tennis and sumo wrestling.