an old picture of a musical band

GMT Timeline

GMT Timeline

1954

1954

an old picture of a musical band

Othmar Grueninger (exchange student from Germany) hosts his maiden tour with DePauw Students and meets his wife Libby.

1956

1956

Grueninger Music Tours Old Poster

Othmar and Libby start a full-service travel agency.

1963

1963

1963

Grueninger Travel Services (GTS) escorted our first band to the Rose Parade.

1966

1966

1966

Grueninger invests in three Pullman Train Cars to take passengers to the Montreal Expo.

1967

1967

1967

Grueninger continues to escort students around Europe.

1973

1973

1973

GMT escorted our first band to the 37th Macy’s Thanksgiving Day Parade.

1973

1973

George Mickleson launched his dream forming AmbassadairTravel Club.

1975

1975

1975

GMT escorted our first band to King Kamehameha Parade in Hawaii.

1984

1984

1984

Grueninger invests in a motorcoach to show guests around the country.

1991

1991

1991

Othmar and Libby’s son Michael joins the team after graduating from Indiana University.

GMT Timeline

GMT Timeline

2017
2017

2017

All four divisions move to new facility.

2015
2015

2015

GMT Escorts their 47th Band to the Rose Parade.

2010
2010

2010

GMT Escorts 5 bands to the Rose Parade

2007
2007

2007

New GMT logo and branding is launched.

2005
2005

2005

Michael takes the helm with his wife Erika.

2005

2005

Grueninger’s purchase the Ambassadair assets from ATA including Ambassadair Groups & Incentives and Amber Travel.

1997
1997

1997

Grueninger’s makes a substantial investment in the King Kamehameha Parade.

1995
1995

1995

GMT branding and name is launched.

1991
1991

1991

Othmar and Libby’s son Michael joins the team after graduating from Indiana University.

1984
1984

1984

Grueninger invests in a motorcoach to show guests around the country.

Othmar Grueninger (exchange student from Germany) hosts
his maiden tour with DePauw Students and meets his wife Libby.