Ira Rennert, billionaire industrialist, is the founder of Renco Group, a private holding company with investments in mining, metals, manufacturing, and defense. Starting in the 1970s with junk bonds, he expanded into heavy industry, building a diversified empire that has included steel, magnesium, and automotive companies. Known for his controversial business practices as well as his immense wealth, Rennert also drew attention for constructing one of the largest private homes in the United States, the 62,000-square-foot Fair Field estate in the Hamptons. Despite criticism, he remains a powerful and enduring figure in American industry and finance.

Igor Olenicoff, billionaire real estate developer, is the founder and owner of Olen Properties, a privately held company with a vast portfolio of commercial and residential properties across the United States. Based in Newport Beach, California, Olen Properties controls tens of millions of square feet of office space and thousands of rental units, with a strong presence in California and Florida. Known for his aggressive growth and hands-on management style, Olenicoff has built one of the nation’s largest private real estate empires while maintaining a low public profile.

Howard Schultz, former longtime CEO and chairman emeritus of Starbucks, transformed a small Seattle coffee chain into a global brand with more than 35,000 stores worldwide. Inspired by Italy’s espresso culture, he built Starbucks into a company that blended premium coffee with community-driven “third place” experiences. Schultz became known not only for scaling the brand into a multibillion-dollar enterprise but also for his focus on employee benefits, ethical sourcing, and social responsibility. A visionary entrepreneur and occasional political voice, he remains one of the most influential figures in modern retail and consumer culture.

Howard Marks, cofounder and co-chairman of Oaktree Capital Management, is one of the most respected investors in distressed debt and value investing. Known for his widely read investment memos, Marks has built a reputation for clear thinking on risk, cycles, and market psychology. Since founding Oaktree in 1995, he has helped grow it into a global alternative asset manager with more than $150 billion under management. Revered by peers like Warren Buffett, Marks combines investment mastery with thought leadership, making him a guiding voice for both professionals and individual investors.

Henry Kravis, cofounder and co-executive chairman of Kohlberg Kravis Roberts & Co. (KKR), is a pioneer of the leveraged buyout industry and one of private equity’s most influential figures. Alongside Jerome Kohlberg and George Roberts, he helped establish KKR in 1976, building it into a global investment powerhouse managing hundreds of billions in assets. Kravis became a Wall Street icon through landmark deals such as the record-setting acquisition of RJR Nabisco, chronicled in Barbarians at the Gate. Known for his dealmaking acumen and philanthropic contributions, he has shaped both modern finance and charitable giving.

Harry Stine, founder of Stine Seed Company, is America’s richest farmer and a pioneer in agricultural genetics. Starting from his family farm in Iowa, he built a multibillion-dollar seed empire by licensing advanced soybean and corn genetics to major agribusinesses like Monsanto, Syngenta, and Corteva. Known for his relentless focus on research and intellectual property, Stine has played a central role in shaping modern farming practices, while maintaining a low-profile lifestyle that contrasts with his outsized influence on global agriculture.

Hansjörg Wyss, Swiss billionaire and philanthropist, built his fortune through medical device maker Synthes, which he sold to Johnson & Johnson for nearly $20 billion in 2012. An engineer by training, Wyss expanded Synthes into a global leader in orthopedic implants before turning his focus to large-scale philanthropy. Through the Wyss Foundation, he has committed billions to environmental conservation, scientific research, and public interest journalism, becoming one of the world’s most influential advocates for protecting wild lands and advancing sustainable solutions.

Hamilton “Tony” James, veteran financier and former executive vice chairman of Blackstone, played a central role in building the firm into the world’s largest alternative asset manager. Joining Blackstone in 2002 after a long career at Donaldson, Lufkin & Jenrette and Credit Suisse, he helped drive its expansion across private equity, real estate, credit, and hedge fund solutions. Known for his strategic vision and operational discipline, James also became a trusted voice in public policy and philanthropy, cementing his reputation as one of Wall Street’s most influential dealmakers.

Glenn Dubin, billionaire hedge fund manager and philanthropist, cofounded Highbridge Capital Management in 1992, growing it into one of the world’s premier alternative investment firms before selling a majority stake to JPMorgan Chase in 2004. After leaving Highbridge, he launched Dubin & Co., a private investment firm with interests spanning energy, healthcare, and consumer businesses. Known for his disciplined approach to investing and extensive philanthropic commitments in health, education, and community development, Dubin has cemented his reputation as both a savvy financier and committed benefactor.

George Soros, legendary investor and philanthropist, made his fortune through the Quantum Fund, which delivered outsized returns and cemented his reputation as one of the greatest hedge fund managers of all time. Famous for “breaking the Bank of England” in 1992 with a $1 billion profit bet against the pound, he later shifted his focus toward global philanthropy, channeling more than $30 billion into his Open Society Foundations to promote democracy, human rights, and education. Soros remains an influential—often controversial—figure at the intersection of finance, politics, and global affairs.

George Bishop, founder of GeoSouthern Energy, built his fortune in oil and gas by focusing on shale plays and unconventional drilling. Starting his career in the energy sector in the 1980s, he grew GeoSouthern into a major player in the Eagle Ford Shale of Texas before selling a large stake to Devon Energy for $6 billion in 2013. Known for his low profile and disciplined approach, Bishop has since diversified into other energy ventures and real estate, establishing himself as one of America’s quietest self-made billionaires.

Geoffrey H. Palmer, founder of G.H. Palmer Associates, is one of Los Angeles’s largest apartment developers, with more than 13,000 units across the metro. He stamped downtown with Italianate mega-complexes like the Medici, Orsini, Piero, Da Vinci, and Lorenzo, and reshaped policy with the 2009 appellate win Palmer v. City of Los Angeles, which limited rental inclusionary mandates under California’s Costa-Hawkins Act. A prolific Republican donor, he remains a powerful—if polarizing—force in L.A. real estate.

Gary Rollins, vice chairman and CEO of Rollins Inc., has overseen the transformation of the family’s pest control business into a global industry leader. Best known for its flagship brand Orkin, Rollins Inc. operates in more than 70 countries, providing residential and commercial pest management services. A member of one of America’s wealthiest families, Rollins has maintained steady growth through acquisitions, operational efficiency, and a focus on customer service, cementing the company’s dominance in a competitive market.

Frank VanderSloot, founder and CEO of Melaleuca, transformed a small wellness startup into a billion-dollar direct-marketing giant offering nutritional, personal care, and household products. Since launching the Idaho-based company in 1985, he has built a network serving millions of customers across multiple countries, leveraging a unique referral-based model. A vocal advocate for entrepreneurship and conservative causes, VanderSloot has combined business acumen with philanthropic initiatives, cementing his status as one of America’s most successful self-made entrepreneurs in the health and wellness industry.

Frank Fertitta III, chairman and CEO of Station Casinos, transformed a family business into a Las Vegas gaming powerhouse catering to local residents. Alongside his brother Lorenzo, he acquired the Ultimate Fighting Championship in 2001 for $2 million, steering its growth into a global sports phenomenon before selling to Endeavor in 2016 for $4 billion. With substantial holdings in real estate, hospitality, and gaming, Fertitta’s career blends bold deal-making with a deep understanding of Nevada’s entertainment landscape, securing his place among America’s most influential casino magnates.

Farris Wilks is a self-made billionaire who, alongside his brother Dan, founded Frac Tech Services in 2002. After selling their majority stake for approximately $3.5 billion in 2011, Farris now directs his wealth into evangelical philanthropy, major land ownership across Idaho and Montana, and leads the Assembly of Yahweh 7th Day church in Cisco. He is also one of the most prolific conservative donors nationally. 

Drayton McLane Jr. is a self-made billionaire business magnate and philanthropist best known for building the McLane Company into a nationwide grocery and logistics powerhouse—growing revenue from $3 million to $19 billion—and later selling it to Walmart in 1990. He served as vice-chairman of Walmart while expanding The McLane Group, a family-owned holding company investing globally. He also owned and led the Houston Astros from 1993 to 2011 as chairman and CEO, becoming the first Texas team to reach the World Series under his tenure.

Douglas Leone is a billionaire venture capitalist and former Global Managing Partner at Sequoia Capital. Recruited in 1988, he rose to partner in 1993 and later led Sequoia’s international expansion across China, India, and Southeast Asia. Under his stewardship, Sequoia backed major tech wins including ServiceNow, RingCentral, Medallia, Nubank, and YouTube.

Don R. Hankey is a self-made billionaire and conservative financier. He founded the Hankey Group, including Westlake Financial Services, a top U.S. subprime auto lender, and Knight Specialty Insurance. His companies provided the $175 million bond in 2024 for Donald Trump’s New York civil fraud appeal. He extended high-risk loans to megadevelopers like Nile Niami—such as funding the troubled Bel-Air mansion “The One”—and now oversees $23 billion in diversified assets.

David Steward is an American billionaire tech entrepreneur who founded World Wide Technology (WWT) in 1990 with minimal capital. A Central Missouri alumnus, he transformed WWT into one of the largest African-American–owned companies in the U.S., generating over $11 billion in annual revenues. Known for his faith-driven leadership and civic engagement, Steward also founded Telcobuy and chairs major nonprofit boards.