Personal Profiling

I am creating a Excel Sheet to profile individuals I sell to. For my job I sell directly to Consultants of corporations. I've decided to create a spreadsheet of each person I meet, describing them, their personalities, likes and dislikes, ect. It will be a way to keep track of things to do, say, way to act, selling points, interests. Basically through these profiles I hope to bring up "Their Sheet" on my computer before meeting with them a second time and know how to act, how to not act, interests and how I should sell to them. If anyone has any ideas or input on how I could improve the spread sheet or different approaches that would be great. Thank you. -Jeremy