McClellan has been the managing partner of ATTEND Marketing Internationa for the last three years, managing several USA pavilions at trade shows in Mexico. From 2010-2013 she served as a senior marketing specialist for the U.S. Department of Agriculture Foreign Agriculture Service in Mexico. Between 1998 and 2007 she lived in Santiago, Chile; Sao Paulo, Brazil and London and was involved in various leadership roles with the American School Foundation. Between 1992 and 1997 she worked for Disney Consumer Products in Mexico as a food and promotions director and was then promoted to marketing director. Previous to her work at Disney she was a brand manager for Nestlé U.S.A. and Mexico.
McClellan has a BA from Trinity University in San Antonio, Texas in French Language and International Studies; a BBA from the University of Texas at Austin in marketing and international business and an MBA from the University of Texas at Austin in marketing and finance.