Writing this book was only possible with the support of many individuals who gave generously their time and expertise. I have been fortunate to work with wonderful human beings on this journey. My sincere thanks to everyone who helped me with this project with their effort, knowledge, and the time they contributed to the book.

First and foremost I thank the platform development team of Kotlin at JetBrains, who put their thought and effort into creating a pragmatic programming language.

I express my sincere gratitude to technical reviewers of my book, Dr. Uri Benchetrit and J Vijayananda, for their time and support. 

I had the privilege of Henk Van Houten writing the Foreword for the book. Thank you Henk for reviewing the book content and writing the Foreword.

My sincere thanks to Simao Williams, Dr. Eldo Issac, and Kenneth Kousen for the sharing feedback on the content of the chapters.

I also want to thank the wonderful team at Packt Publishing. Thank you Tiksha Sarang for editing the content very well. I also would like to thank Sandeep Mishra, Prajakta Naik, Abhishek Sharma, Riddesh Dawne and Storm Mann for their support in getting this book published.