Craig is president & principal consultant of Mullins Consulting, Inc. and an in-demand analyst, author and speaker. He has over three decades of experience in all facets of database systems development including creating and teaching database classes, systems analysis and design, data analysis, database administration, performance management, and data modeling.

Craig has worked with Db2 on the mainframe since Version 1 and has experience working with other database technologies including Microsoft SQL Server, Sybase, Oracle, and IMS. IBM has appointed Craig as a Gold Consultant for Db2 and has honored Craig as an IBM Champion for Data & AI for more than 15 years straight.

Craig was named as one of the Top 200 Thought Leaders in Big Data & Analytics by AnalyticsWeek. Big Data Made Simple also named Craig one of their 200 Big Data thought leaders. Craig has also been named an expert in the “Who’s Who in Cybersecuirty” listing published by Onalytica. Red Gate appointed Craig as one of the 100 Most influential in the database community. And Planet Mainframe named Craig as one of the Most InfluentialMainframers for 2024. View all of Craig’s industry certifications here.

Craig is also a senior contributor to elnion (provides analysis and thought leadership on digital impact and transformation across business, telecommunications, and enterprise), and a columnist for Database Trends & Applications (DBA Corner). Craig is a prolific writer, having authored articles for popular journals and web sites including Database Trends and Applications, TDAN, TechTarget, Big Data Quarterly, TechChannel, and more. He also writes and maintains two popular blogs:

Db2 Portal

Data & Technology Today

Craig is also the author of multiple best-selling books on Db2, database administration, performance, and the IBM Z mainframe:

Craig is the author of three best-selling books on Db2 and database administration.

DB2 Developer's Guide, published by IBM Press, delivers over 1600 pages of in-depth technical information on Db2 for z/OS. The best selling Db2 book over 20 years and 6 editions.

Database Administration: The Complete Guide to DBA Practices and Procedures, published by Addison Wesley, offers the industry's only comprehensive guide to heterogeneous database administration.

A Guide to Db2 Application Performance for Developers which provides guidance and direction to Db2 application developers and programmers on how to write efficient, well-performing programs. If you write code and access data in a Db2 database, then this book is for you.

Optimizing Database Performance, which offers guidance on the techniques and issues involved in creating and maintaining optimal database systems and the applications that access them (regardless of the DBMS you use).

And his latest book, IBM Mainframe Specialty Processors, which provides a high-level overview of pertinent mainframe internals such as control blocks, SRBs, and TCBs, and why they are important for understanding how zIIPs work.

Craig is a frequent speaker at industry events, having spoken about database issues to thousands at conferences such as IDUG Db2 Tech Conference (where he has been named top user speaker), SHARE (where has received a top presentation award), IBM Think, Data Summit, DAMA Symposium, PASS Data Community Summit, and Oracle World, as well as at hundreds of regional user groups all over the world.