Jason Gooley, CCIE No. 38759 (RS and SP), is a very enthusiastic and spontaneous person who has more than 25 years of experience in the industry. Currently, Jason works as a Technical Evangelist for the Worldwide Enterprise Networking Sales team at Cisco Systems. Jason is very passionate about helping others in the industry succeed. In addition to being a Cisco Press author, Jason is a distinguished speaker at Cisco Live, contributes to the development of the Cisco CCIE and DevNet exams, provides training for Learning@Cisco, is an active CCIE mentor, is a committee member for the Cisco Continuing Education Program (CE), and is a program committee member of the Chicago Network Operators Group (CHI-NOG), www.chinog.org. Jason also hosts a show called MetalDevOps. Dana Yanch, CCIE No. 25567 (RS,DC) CCDE No. 20130071, at the time of writing content for this book was a Global Technical Solutions Architect at Cisco focused on designing and deploying SD-WAN solutions for large enterprises around the world. Prior to spending the last six years working with Viptela and other SD-WAN technologies, Dana had a focus on fabric-based data center technologies. Dana has presented at several Cisco Live Events worldwide and has a passion for public speaking and mentorship. Dana can now be found at Aviatrix, the multi-cloud networking platform, designing cloud connectivity architectures every single day. Dustin Schuemann, CCIE No. 59235 (R&S), is a Technical Solutions Architect at Cisco Systems. Within the Demo CoE organization, Dustin is a subject matter expert on all things SD-WAN, including development of SD-WAN demo offerings and CPOC labs for some of Cisco's largest customers. He has been a distinguished speaker at Cisco Live multiple times, where he has presented on multiple topics around Cisco SD-WAN. Dustin has more than 17 years of experience in the network engineering field, and before Cisco he was a network architect for multiple firms within the manufacturing and financial industries. He is very passionate about giving back to the IT community and helping to mentor other network engineers. Dustin currently resides in Raleigh, North Carolina. John Curran is a Technical Solutions Architect with Cisco's Global Virtual Engineering team, where he assists customers and partners with the design of their next-generation networks. John is a subject matter expert in routing and SD-WAN and is excited to spend time teaching and training on these topics. John presents regularly at Cisco Live events around the world and has been repeatedly recognized as a Distinguished Speaker. In his prior role at Cisco, John worked as a Network Consulting Engineer for Cisco's Advanced Services team, supporting government and education customers. John holds a Bachelor of Science degree in Computer Engineering Technology from the University of Cincinnati.