Dear Client Focused:
Let us review the terminology to ensure that we are all talking about things with a consistent understanding. Sales personnel can be divided into 2 basic categories: field sales and inside sales. Field sales personnel go out to the field to sell products/services to new clients/customers. Inside sales staff handle the needs and requests of existing clients/customers and other incoming sales calls. Inside sales personnel hand off valuable incoming sales calls (called leads) to the field sales for new client/customer acquisition.
An events manager manages the coordination and execution of all activities related to a particular event that a client company wishes to hold. The primary example of an event is a booth or presentation at a trade show.
Account executives in an ad agency manage all needs of a client. They identify the client needs, propose solutions, sell the right solutions, and ensure that all results, agreed upon for the engagement, are delivered to client satisfaction. They do not execute all aspects of the delivery of results; instead they bring to bear the talent and resources of the ad agency to deliver the best results in the best possible way.
As you can see, in all of the above responsibilities, the person deals with the client. However, that's where the similarities end. All these positions require different skills and experiences.
For any of the above positions, one requires knowledge, skills, and a track record. Knowledge and skills can be acquired through formal education or on-the-job training. An MBA can accelerate your career in sales and in an ad agency. Events coordinator however needs more hands-on experience for the position.
We can not advise you on a correspondence course for MBA. Our focus at iMahal is on traditional education, leading to degree qualifications. We do not focus on correspondence or distance learning programs, nor do we focus on diploma education.
You can also reach these positions by establishing a track record of demonstrated success. This approach requires that you work towards these positions, and you can not plan to start at the top. For example, to become an account executive, you would first have to experience planning a project, executing a campaign, selling agency services, managing clients, and so on.
In effect, you have to decide what you want to do, and then design your very own path for your success. There is no "standard" path. It all depends on your choices, interests, ambitions, and goals. Of course, no matter what you decide to do, it will require hard work and dedication.