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Leadership Team

Dawn Motes, President

Dawn has been the President of Marietta Sand Corporation since 2009. Under her leadership, MSC has increased revenues, created more jobs, and become an essential member of the construction industry of Northeast Florida. Dawn has over 20 years of business and financial experience.

Oni Shahini, Office Manager
Larry Motes, Vice President

Larry transitioned to the role of Vice President in 2009. With over 50 years of professional experience, and an uncanny ability to develop relationships with people, Larry has been essential in the growth and stability of MSC.
A lifelong North Florida native, Larry knows the land, and is an invaluable resource in the industry.

Jimmy Peacock, Support Services Manager
Richard Osteen, General Superintendent
Keith Grotheer, Senior project Manager/Estimator
Gary Wiese, Senior Project Manager/Estimator
Sarah Thrift, Administrative Assistant 
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