Medical examiner: Tempe Improv owner died of natural causes

Mark Anderson

Mark Anderson, Tempe Improv owner

[Mike Sakal/Tribune]

Tempe Improv Closing

The Tempe Improv at 930 E. University Drive is closing its doors today after 24 years in business and landing numerous national acts in the past. Owners of the club announced early last month that the club would close on June 1, citing competition from another comedy club in downtown Phoenix which was landing all of the major national acts. A nationwise search still is on for Mark William Anderson, 60, co-owner of the Tempe Improv, who has been missing since May 15 and is believed to be in the Dallas area. [Mike Sakal/Tribune]