Angus Association welcomes Jr. member from Washington Posted By: adminknia September 2, 2009 @ 6:05 am Today's Local News Tweet Share Email The American Angus Association is welcoming a new junior member from Washington. Riley Sieren will join nearly 33,000 other active adult and junior members in the largest beef registry association in the world. Junior members are eligible to register cattle, and take part in Angus Association sponsored shows and other national and regional events.