[Solved] Structures at the synapse may be viewed with A) optogenetics. B) a light or electron microscope. C) the naked eye. D) a CT scanner. Investment Banker: A professional who works in a financial institution, dealing with the creation of capital for other companies, governments, and other entities. Fortune 500: A yearly ranking of the 500 largest US corporations by total revenue for their respective fiscal years, published by Fortune magazine. Chief Marketing Officer: A senior executive responsible for leading a company's marketing efforts, including strategy, brand management, and market research. Automobile Manufacturer: A company that specializes in the production of motor vehicles, including cars, trucks, and motorcycles.