What company does John Grettenberger work for?

John Grettenberger is a President at LorAnn Oils, a company specializing in Drinking places.

Where John Grettenberger graduated from?

John Grettenberger holds a degree in Corporate Management from M.I.T..

Who is John Grettenberger?

John Grettenberger is an accomplished leader in the automotive and business sectors, currently serving as President of Lorann Oils, Inc. With a robust career spanning several decades, he has held significant positions at General Motors, including General Manager of the Cadillac Motor Division. His expertise encompasses community outreach, event planning, and strategic marketing, showcasing his versatility in both corporate and non-profit environments. A graduate of the prestigious Alfred P. Sloan School at M.I.T., John combines academic rigor with practical experience. He has a proven track record in leadership development and team building, making him a valuable asset in any organizational context. John's commitment to professional excellence is matched by his passion for innovation and community engagement. He is well-regarded for his public speaking skills and ability to inspire others. Now retired from GM, he continues to influence the industry through his current role.