Finxl is Financial Planning and Analysis Courses/Certification/Training in Pune, Online financial Planning course/Training in Pune. We also provide Certification in Financial Planning and Analysis. A Foundation in Finance by Education and Internships Even most investment banking success stories still built a good foundation in finance through the best business school or degree in finance, economics, or business. For example, Sarah Mitchell, Managing Director at the largest firm, started with the Harvard Business School degree. According to her, getting the technical skill for dealing with complicated financial models and presentations to clients was through education and early internships and thus prepared her for investment banking.