About NWAS. Northwest Anesthesia Seminars was founded in 1976 with the primary objective of offering high quality continuing education seminars for the anesthesia provider. This remains our principal objective today and our programs are designed to keep you current in the practice of anesthesiology while at the same time providing a forum for ...Full Schedule‧Brochures‧Contact Us‧Home‧Webinars‧Workshops.