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Tim Calkins
Tim Calkins is an author, consultant, and clinical professor of marketing at Northwestern University’s Kellogg School of Management specializing in topics including Marketing Strategy, Biomedical Marketing, and branding.
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books

Breakthrough Marketing Plans
2012
ISBN 9780230614611
Kellogg on Branding
2007
ISBN 9780470194430