Joseph Holbrook is a highly experienced and accomplished tech professional who has been working in the industry since 1993. Over the years, he has built a wealth of knowledge in a variety of fields, including Storage Area Networking (SAN), Enterprise Virtualization, Cloud Architecture, Blockchain, and DevOps. He has worked for several renowned companies, including HDS, 3PAR, Brocade, HP, EMC, Northrup Grumman, ViON, Ibasis.net, SAIC, Dimension Data, and Siemens Nixdorf. Currently, he is the Chief Learning Officer, Founder, Author, and Techie at Techcommanders, LLC.

Holbrook is a widely published author, blogger, and speaker in Cloud/DevOps/Blockchain. He has authored several books, including "Architecting Enterprise Blockchain Solutions" (Wiley), "Certified Blockchain Solutions Architect (CBSA) All in one Guide," and "Google Cloud Professional Cloud DevOps Engineer - All in One Guide." He has also published numerous articles and papers, and his work has won two EMC Proven Professional Competitions.

Apart from his writing and speaking engagements, Holbrook has also held several teaching positions with institutions such as StormWind Studios, Pearson, QuickStart Inc., INE, LinkedIn E-learning, Global Knowledge, and Udemy. He also has extensive experience in enterprise-level consulting, pre-sales engineering, and product management.