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Clark
Robert Clark
Rank #1131
UNITED STATES•Construction & Engineering•Construction

Robert Clark

Net Worth
$3.713B
0% (24h)
Robert Clark is an American businessman and civic leader best known as the founder and Executive Chairman of Clayco, a design-build construction firm. Born in 1959, Clark's career in construction began at a young age and has since developed into a $7.6 billion (2024 revenue) U.S. construction giant. His source of wealth stems from his ownership of Clayco, a company that has constructed numerous large-scale projects and has significantly impacted the construction landscape with over 200 million square feet developed since 1984. Clark has also been involved in civic contributions, including his appointment as the United States Commissioner General at Expo 2020 Dubai.

How to read Robert Clark's profile

Public net-worth figures are estimates. They combine observable inputs—typically listed equity, disclosed transactions, and market prices—with editorial judgment where filings are incomplete (for example, private holdings, debt, or cross-holdings). For Robert Clark, we anchor the narrative to Construction and Construction, then update the headline number as markets move. The chart on this page is meant to show trajectory, not a certified balance sheet.

When you see $3.713B alongside global rank #1131, interpret it as our best synthesis of widely cited ownership and price signals—not a claim about cash on hand. Estimates can diverge from other publishers because of different treatment of options, trusts, charitable vehicles, or illiquid assets. We document the general approach in methodology and welcome corrections via corrections.

Country (UNITED STATES) and career milestones on this page are curated for reader context; they should be verified against primary sources when used for research. Editorial metadata for this profile is refreshed on a rolling basis, with deeper audits at least annually (last noted cycle: 2026).

Looking for depth? When available, the dossier and timeline sections below add long-form context beyond the headline number—prioritize those modules when evaluating claims about strategy, controversies, or philanthropic commitments.

The Full Dossier

Early Life

Robert Clark was born on January 30, 1959, in Bridgeton, Missouri. His interest in construction began at age 13 when his father gave him a book on building. He attended Parkway Central High School. Clark's early career included a partnership at Machine Maintenance and Equipment Company (MMECO) at age 19.

Rise to Success

In 1984, Clark founded Clayco, a real estate development and design-build firm, in St. Louis, Missouri. The company has grown to be one of the largest privately-owned firms in the industry. Clayco's projects include the Washington University School of Medicine and several Amazon e-commerce centers. In 2023, Clayco generated over $5.8 billion in revenue.

Key Business Strategies

Clayco offers comprehensive services including architectural design, engineering, construction, and real estate services. Clark's company focuses on maximizing revenue from every opportunity through a strategic approach called construction revenue engineering. This involves analyzing project scopes, budgets, and timelines early to efficiently allocate resources and avoid low-return engagements.

Philanthropy

Clark and the Clayco Foundation have supported numerous causes, including a $4.1 million donation to Washington University in St. Louis School of Medicine for RVCL research and a $500,000 scholarship in Penn State's Department of Architectural Engineering to support diversity. Clark is currently launching the Clark Family Foundation.

Career Timeline

2023

Honorary Degree

Received an honorary degree from the University of Missouri System.

2021

U.S. Commissioner General at Expo 2020 Dubai

Appointed by President Joe Biden.

1984

Founder of Clayco

Established the construction and design-build firm.

1978

Partner at Machine Maintenance and Equipment Company (MMECO)

Began his career in the equipment industry.

Philanthropic Impact

Medical Research$4.1B

Washington University in St. Louis School of Medicine

Promised to give to advance research into RVCL.

Education$0.5B

Penn State's Department of Architectural Engineering

Endowed a scholarship to promote diversity.

Net Worth History

In-Depth Analysis

Early Life

Robert Clark was born on January 30, 1959, in Bridgeton, Missouri. His interest in construction began at age 13 when his father gave him a book on building. He attended Parkway Central High School. Clark's early career included a partnership at Machine Maintenance and Equipment Company (MMECO) at age 19.

Rise to Success

In 1984, Clark founded Clayco, a real estate development and design-build firm, in St. Louis, Missouri. The company has grown to be one of the largest privately-owned firms in the industry. Clayco's projects include the Washington University School of Medicine and several Amazon e-commerce centers. In 2023, Clayco generated over $5.8 billion in revenue.

Key Business Strategies

Clayco offers comprehensive services including architectural design, engineering, construction, and real estate services. Clark's company focuses on maximizing revenue from every opportunity through a strategic approach called construction revenue engineering. This involves analyzing project scopes, budgets, and timelines early to efficiently allocate resources and avoid low-return engagements.

Philanthropy

Clark and the Clayco Foundation have supported numerous causes, including a $4.1 million donation to Washington University in St. Louis School of Medicine for RVCL research and a $500,000 scholarship in Penn State's Department of Architectural Engineering to support diversity. Clark is currently launching the Clark Family Foundation.

Data Sources & Methodology

Figures for Robert Clark are synthesized from the sources below and cross-checked against our net worth methodology. Estimates may lag market moves; see corrections to report discrepancies.

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