Oregon Symphony's artistic director is a busy fellow during the summer. He has a full schedule at the Grant Park Music Festival in Chicago and does some guest conducting at the Grand Teton Music Festival and with the Baltimore Symphony.
I didn't find an online review of his concert with the Grand Teton Festival Orchestra, but I did find three reiviews (all positive) of Kalmar's conducting in Chicago and Baltimore.
Here's the review by John von Rhein in the Chicago Tribune:
Wynne Delacoma of the Chicago Sun-Times nods favorable to Kalmar near the end of her review:
Here's the review by Tim Smith in his Baltimore Sun bog (scroll down to the July 27th entry):
Sidenote: Smith is the president of the Music Critic Association of North America (of which I am also a member).
Kalmar is back in town next week to lead the Oregon Symphony's Waterfront Festival concert on August 30th.