Mitchell Tapped to Deliver Closing Keynote at ASTA Global Convention in Chicago Aug. 2021 For the complete story, click below: Sheree M. Mitchell, President of ASTA Portugal, delivering closing keynote speech at the ASTA Global Convention on Aug. 25th, in Chicago. Sheree M. MitchellAugust 27, 2021ShereeMitchellPortugal, ShereeMitchell, ShereeMMitchell, ASTA Portugal, ASTA Global Convention, ASTA Global Convention Chicago 2021, ASTA Speakers Facebook0 LinkedIn0 Reddit Tumblr Pinterest0 0 Likes