[5] Clark served as the senior U.S. government representative at the event, where he led a team showing U.S. culture, values, and technology.
[2][9] By 2024, Clayco had grown into one of the largest privately-owned firms in its industry in the United States, with over $5.8 billion in revenue in 2023 and more than 3,500 employees nationwide.
[2] Clark has attempted to privatize the St. Louis Lambert International Airport, use eminent domain for land acquisition, and build a concrete factory in the Mark Twain neighborhood of North St.
[10] Clark partnered with Hutkin Properties Group to use eminent domain on businesses and residencies of Olive Boulevard in University City for a retail development, supported by $70 million in tax increment financing.
[12][13] The Clayco Foundation gave money to Savannah College of Art and Design, which renamed one of its building complexes for Clark.
[17] In 2023, Clark received the Ellis Island Medal of Honor for his contributions to American society and his support for cultural unity and diversity.