Aaron Brazell is a leading WordPress and social media consultant, with clients ranging from enterprise software companies to small- and medium-sized businesses. He has worked on large-scale WordPress installations from both a technical/scaling perspective to complex deliveries involving extreme leveraging of the software plugin API. He maintains a large business and technology blog in the Washington D.C. area, Technosailor.com.
Mark Jaquith is one of the lead WordPress core developers and an independent Web services consultant. He has consulted for major clients through his company, Covered Web Services, and is the author of several popular WordPress plugins, including Subscribe to Comments and Page Links To.