Management Consultant is a highly scrutinized occupation - be careful when applying for the TN under this occupation.
The key to your success will be how you show you qualify as a Mgmt consultant - using your education and experience.
Here is some information to help you when applying as Mgmt Consultant:
A Management Consultant is defined as providing services that are directed toward improving the managerial, operating, and economic performance of public and private entities by analyzing and resolving strategic and operating problems and thereby improving the entity's goals, objectives, policies, strategies, administration, organization, and operation.
Management Consultants are usually independent contractors or employees of consulting firms under contracts to U.S. entities. A Management Consultant should generally not be a regular, full-time employee, of the entity requiring the service. In cases of full-time employment the management consultant should not be assuming an existing position, replacing someone in an existing position, or filling a newly created permanent position.
Also read the following articles to help you:
Common TN Visa Mistakes to Avoid
Scrutinized NAFTA Occupations
Hope this helps.