Nicholas C Sonntag

Sonntag is President of CH2M HILL Canada Limited, a division of CH2M HILL, which is one of the largest engineering firms in the world, and former Executive-Director of the Stockholm Environment Institute.

Sonntag is President of CH2M HILL Canada Limited, a division of CH2M HILL, which is one of the largest engineering firms in the world, and former Executive-Director of the Stockholm Environment Institute. See less