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Dr. Gruhl has been teaching Hospitality classes at Sullivan University since 2013.

Dr. Gruhl worked full-time as a Tenured - Full Professor at Metropolitan State University of Denver from 2006 - 2019. He retired in the summer of 2019. He was the Chair for the Hotel and Hospitality Learning Center Task Force at MSU Denver and oversaw the building of the Marriott SpringHill Suites and 18,000 sq ft Hospitality Learning Center on campus in Denver. He was the Associate Chair from 2009-2012 and Department Chair from 2012-2014.

Before joining the Hospitality, Tourism, and Events Management Department at Metro State, Dr. Gruhl was a Professor at Walnut Hill College in Philadelphia from 1998 – 2006. His practical experience in the hotel and restaurant industry included:

· Director of Food and Beverage at Trump Plaza Hotel and Casino in Atlantic City, NJ (600 employees)

· Manager of Oscar’s Restaurant at the Waldorf=Astoria Hotel in New York City, NY (100 employees)

· Manager of 525 Café and the Mini Bar Department at Hotel Inter-Continental in Chicago, IL. (75 employees)

In addition, Professor Gruhl has held the following positions in his fifteen year hotel and restaurant career: General Manager (F&B), Director of Sales and Marketing, Sales Manager, Accounts Receivable, Accounts Payable, Night Audit, Front Desk, and Housekeeping.

Professor Gruhl holds the following degrees:

· Doctor of Education, University of Delaware, Newark, DE

· Masters of Science in Management and Leadership, Rosemont College, Rosemont, PA

· Bachelor of Science in Business Management and Hotel / Restaurant Management, Minnesota State University – Moorhead, Moorhead, MN

Dr. Gruhl also teaches graduate business, management, and leadership courses at:

· Webster University, St. Louis, MO (2007 – present)

· Northwood University, Midland, MI (2016 – present)

Professor Gruhl has lived in a total of 14 states and 3 countries. He currently lives in Puerto Vallarta, Mexico and spends his summers in Montreal, Q