- Original Poster
- #1
If you're in sales, or want to learn about how to be an effective salesperson or sales manager, then this list of 20 gives you a resource list of incredible proportions. Give them a read - you'll be glad you did! My current favourites are Miller Heiman Group, RAIN and Vantage Point Performance, but several of the others I still have to check out myself 
https://www.sellingpower.com/2017/sales-training-companies/top-twenty-listing/
https://www.sellingpower.com/2017/sales-training-companies/top-twenty-listing/