when we have to sell certain new products to the corporates, example insurance, how do we approach the senior management who are key decision makers regarding the same? How do we spot who is the decision maker regarding the same? How do we contact them? What are the information or the preparation that is to be done to make the marketing a success?

Do a report showing a plan and benefits and send it to all seniors. Make it short but a little punchy.

Catch hold of their girls friends and or fiancees

Much of the information can be found online with many companies. Do a web search for "company name" and add the key phrase marketing director or just browse the site and find a link saying "staff", "company team", etc.Study the industry market for your future client's niche then generate a report with your product or service displaying an advantage of your product/service specifically for their company's needs.