Home » Sales Blog » How to Succeed with Your 30-Second Commercial with Brian JacksonHow to Succeed with Your 30-Second Commercial with Brian Jackson Sandler Training Sandler TrainingSandler Training is Author. www.sandler.com Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Name * Email * Website Comment * Save my name, email, and website in this browser for the next time I comment.