Greg grew up in Durham, North Carolina.  He graduated from the University of North Carolina at Chapel Hill with a Bachelor of Science degree in Business Administration.  Greg attended the University of North Carolina at Chapel Hill School of Law.  After working in his father's law practice, he opened a law practice in Mooresville, North Carolina in 1999.

After managing a solo practice, Greg formed Whitfield and Mock, with his law partner, Franklin Mock, as a general practice firm concentrating in personal injury, workers' compensation, criminal law, as well as domestic law and Social Security disability. Greg concentrates his practicein the areas of personal injury, workers' compensation and criminal law, including DWI and traffic tickets.

In addition to practicing law, Greg enjoys giving back to his community through his membership in several professional and civic organizations, asc well as, serving as a member of the Mooresville Graded School District Board of Education.  He is a member and past president of the Mooresville-Lake norman Rotary Club and the Lake Norman Shrine Club. In addition, Greg is a meber of the NC Bar, the NC academy of Trial Lawyers, the 22A Judicial District Bar, and the Iredell County Bar where he currently serves as President.