Martin Kleppmann is a software engineer and entrepreneur. He has co-founded two startups including Rapportive, which was acquired by LinkedIn. At these companies he worked on various data infrastructure systems, and learnt a few things the hard way. He hopes that this book will save you from repeating the same mistakes.Martin enjoys figuring out complex problems and breaking them down, making them simple and accessible. He does this in his conference talks, on his blog at http://martin.kleppmann.com and by contributing to open source projects such as Apache Samza. You can find him as @martinkl on Twitter.