Ryan Stephens is president and CEO of Perpetual Technologies, Inc., an information technology consulting and training firm in Indianapolis, Indiana. He has specialized in database technology and SQL for over 13 years, working as an Oracle programmer/analyst, Oracle database administrator, consultant, IT manager, and adjunct professor at Indiana University-Purdue University in Indianapolis, where he has taught SQL, PL/SQL, UNIX, Oracle Oracle DBA, Oracle Development, and database design courses. Ryan resides in Indianapolis with his wife, Tina, and their children, Daniel, Autumn, and Baby Stephens.

Ronald R. Plew is vice president and CIO for Perpetual Technologies, Inc., in Indianapolis, Indiana. Ron has served as an adjunct professor at Indiana University-Purdue University in Indianapolis, where he has taught SQL and various database courses. He holds a Bachelor of Science degree in Business Management/Administration from Indiana Institute of Technology, Fort Wayne, Indiana. Ron also serves in the Indiana Army National Guard, where he is the programmer/analyst for the 433rd Personnel Detachment. Ron's hobbies include golf, chess, and collecting Indianapolis 500 racing memorabilia. He shares ownership of Plew's Indy 500 Museum with his brothers, Mark and Dennis; his sister, Arleen; and mother, Betty. Ron lives in Indianapolis with his wife Linda. Ron and Linda have four children, ten grandchildren, and one great grandchild.