Gregg Marshall has been using Drupal since 2006. While he installed Drupal 5, his first production site was Drupal 6. He started his career as a software engineer, switched to sales/marketing in an unrelated industry, and drifted back to development. After attending DrupalCon 2010 in San Francisco, Gregg switched from channel marketing that used Drupal for microsites to being a full-time Drupal developer.

Gregg works as a consultant/contractor, frequently mentoring in-house development teams on Drupal best practices. His current contract is with WebNY, where he serves as the senior Drupal architect for the state of New York, helping build a single platform for all the state's websites.

Gregg is a speaker at Drupal Camps and is a professional speaker to 30+ associations and corporate meetings. He has over 400 published articles in a variety of publications. Gregg has a bachelor's degree in chemistry, a master's degree in electrical engineering, and a master's degree in business administration. He is an Acquia Certified Drupal Grand Master.

Neeraj Kumar is a Drupal architect, author, project manager, and overall geeky guy who enjoys using technology for bringing value to businesses. He is also the chief engagement officer of Valuebound, an India-based Drupal consulting firm that provides enterprise Drupal solutions for media and product companies.

He earned his bachelor's degree in architecture from the Indian Institute of Roorkee. Yes, you heard it right; he is an architect by degree training and used to design buildings. But nowadays, he is more into architecting Drupal solutions for enterprises and advocating best practices, along with contributing to the awesome Drupal community. You can follow Neeraj on Twitter at http://twitter.com/neerajskydiver or his LinkedIn profile at https://in.linkedin.com/in/neerajskydiver.

Jason Blanda has been professionally developing and deploying websites using the Drupal content management system for over 7 years. He runs the OneStop How to Guys YouTube channel, offering a wide variety of free educational courses including but not limited to Drupal 8. He is the Co-Founder and CEO of Archboard Media, a website development company in Canton, Ohio, building websites and web apps on the Drupal content management system.