Jeffrey Hines, chairman and co-CEO of Hines, leads one of the world’s largest and most respected privately held real estate investment, development, and management firms. The son of legendary founder Gerald D. Hines, he joined the company in the 1980s and helped expand its global footprint from a U.S.-focused developer into a multinational powerhouse operating in 30+ countries. Under his leadership, Hines has executed billions in landmark office, residential, industrial, and mixed-use projects—combining cutting-edge architecture, disciplined capital management, and long-term partnerships. Known for his steady strategic vision and global mindset, Hines has cemented the firm’s position as a standard-setter in institutional real estate.

Jeffrey Gundlach, founder and CEO of DoubleLine Capital, is one of the most influential bond investors of his generation, often referred to as the “Bond King” for his prescient calls on interest rates, credit cycles, and macroeconomic trends. After rising to prominence at TCW, he launched DoubleLine in 2009, quickly attracting tens of billions in assets and building a reputation for disciplined portfolio construction and rigorous market analysis. Known for his outspoken commentary and data-driven contrarian views, Gundlach has become a key voice shaping fixed-income strategy and broader market sentiment across Wall Street.

Jeffery Hildebrand, founder and CEO of Hilcorp Energy Company, has built one of the largest privately held oil and gas producers in the United States through a strategy centered on operational excellence, disciplined reinvestment, and revitalizing mature assets. Since establishing Hilcorp in 1989, he has expanded the company across major U.S. basins—from Alaska’s North Slope to the Gulf Coast—while cultivating a renowned employee-ownership culture that includes some of the most generous bonus programs in the industry. Known for his low profile, entrepreneurial rigor, and long-term vision, Hildebrand has become one of America’s most successful self-made energy billionaires.

Jeff Tangney, cofounder and CEO of Doximity, has built the platform into the “LinkedIn for doctors” and one of the most important digital networks in American healthcare. After previously cofounding Epocrates, he launched Doximity in 2010 to streamline communication among physicians, hospitals, and healthcare organizations. Under his leadership, Doximity has grown to millions of verified medical professionals, offering telehealth tools, secure messaging, and clinical resources that power critical workflows across the industry. Known for his disciplined product focus and deep understanding of medical communication needs, Tangney has positioned Doximity as a vital infrastructure player in modern healthcare.

Jeff Sutton, founder and president of Wharton Properties, is one of New York City’s most powerful retail real estate owners, known for assembling a blue-chip portfolio through off-market deals and long-term tenant relationships. Starting from modest beginnings, he built his empire by securing prime Manhattan corners and partnering with luxury brands and national retailers such as Nike, Zara, and American Eagle. Sutton’s strategy—favoring ground-floor retail in irreplaceable locations and maintaining conservative leverage—has made Wharton Properties a dominant force in high-street retail and one of the most valuable privately held real estate portfolios in the city.

Jeff Rothschild, veteran engineer and early Facebook executive, played a pivotal role in scaling the social network from a college startup into a global technology platform serving billions. Joining Facebook in 2005 as its first vice president of infrastructure, he helped design and stabilize the company’s backend systems during its period of explosive growth, ensuring its reliability as usage surged worldwide. Before Facebook, Rothschild cofounded several successful technology companies and later became a longtime advisor and venture partner at Accel, shaping investment strategies in consumer and enterprise software. Quiet and deeply technical, he remains one of Silicon Valley’s most influential behind-the-scenes architects.

Jeff Lawson, cofounder and former CEO of Twilio, is a pioneering force in cloud communications whose vision reshaped how modern companies interact with customers. Launching Twilio in 2008 after stints at Amazon, StubHub, and founding multiple startups, Lawson championed the idea of programmable communication APIs that let developers embed messaging, voice, and authentication directly into applications. Under his leadership, Twilio grew into a multibillion-dollar public company powering communications for thousands of global enterprises. Known for his developer-first philosophy and product-driven leadership style, Lawson remains a defining figure in SaaS innovation and digital customer engagement.

Jeff Greene, billionaire real estate investor, built his fortune by making one of the most successful bets against the U.S. housing market before the 2008 financial crisis, using credit default swaps to hedge his property portfolio. After the crash, he expanded his holdings across South Florida, Los Angeles, and New York, developing and acquiring high-end residential, commercial, and hospitality properties. Known for his contrarian instincts and disciplined approach to leverage, Greene has also pursued ventures in education and sustainability while maintaining an active role in philanthropy and public policy. His investments continue to shape key real estate markets nationwide.

Jeff Green, cofounder and CEO of The Trade Desk, has become one of the most influential leaders in digital advertising by building the world’s leading independent programmatic ad platform. Since launching the company in 2009, he has championed transparency, data-driven buying, and an open internet—positioning The Trade Desk as a counterweight to walled gardens like Google and Meta. Under his leadership, the company has grown into a multibillion-dollar powerhouse serving major brands, agencies, and media companies across the globe. Known for his strategic clarity and outspoken industry perspective, Green has reshaped how digital ads are bought, measured, and optimized.

Jed Walentas, CEO of Two Trees Management, is one of New York City’s most influential real estate developers, known for transforming Brooklyn’s DUMBO neighborhood from industrial waterfront to one of the city’s most desirable creative and residential hubs. Building on the vision of his father, David Walentas, he led marquee projects such as the Domino Sugar Refinery redevelopment on the Williamsburg waterfront—blending mixed-use design, public spaces, and architectural ambition. With a reputation for long-term, community-focused urban development, Walentas has shaped modern Brooklyn’s identity while solidifying Two Trees as a powerhouse in New York real estate.

Jed McCaleb, pioneering software developer and blockchain innovator, is best known as a cofounder of Ripple and Stellar, two of the most influential protocols in the digital asset ecosystem. A serial entrepreneur with a long history in early crypto infrastructure, McCaleb created the first major cryptocurrency exchange, Mt. Gox, before selling it in 2011, and later launched Stellar to promote low-cost, decentralized cross-border payments. Beyond blockchain, he founded aerospace company Vast to pursue long-term visions in space habitation. Known for his technical creativity and unconventional path, McCaleb has helped shape multiple generations of internet and financial technology.

Jean Madar, cofounder, chairman, and CEO of Inter Parfums, has built one of the world’s most successful fragrance companies by blending luxury branding with disciplined global distribution. Launching the business in 1982 with Philippe Benacin, Madar transformed Inter Parfums into the creative and operational force behind signature fragrances for brands such as Montblanc, Jimmy Choo, Coach, and Guess. Under his leadership, the company has grown into a multibillion-dollar enterprise known for long-term licensing partnerships, strong international presence, and a finely tuned balance of creativity and commercial strategy. Madar is widely regarded as a visionary in luxury fragrance development and brand building.

Jay Adair, CEO of Copart, has transformed the Dallas-based company into a global powerhouse in online vehicle auctions and salvage remarketing. Starting at Copart as a teenager, he rose through the ranks and became CEO in 2010, driving the company’s shift from physical auctions to a fully digital, globally scalable platform. Under his leadership, Copart expanded into more than a dozen countries, partnered with major insurers, and grew into a multibillion-dollar enterprise trusted by buyers and sellers worldwide. Known for his technology-forward strategy and operational discipline, Adair has cemented Copart’s position as the dominant force in its industry.

Jay Schottenstein, chairman and CEO of American Eagle Outfitters and head of the Schottenstein family’s retail empire, has spent decades shaping some of America’s most recognizable consumer brands. Under his leadership, American Eagle evolved into a multibillion-dollar global apparel company, driven by strong lifestyle positioning and the runaway success of Aerie. Beyond fashion, Schottenstein oversees a vast portfolio that spans furniture retail, real estate, and private investments, including leadership roles within Schottenstein Stores Corporation. Known for his disciplined operational approach and long-term family stewardship, he remains one of the most influential figures in the U.S. retail sector.

J.B. Pritzker, billionaire businessman, philanthropist, and the 43rd governor of Illinois, is a prominent member of the Pritzker family whose fortune stems from the creation of the Hyatt hotel empire and a vast portfolio of industrial holdings. Before entering politics, he founded and led private investment firm Pritzker Group, backing technology, manufacturing, and venture capital ventures and helping shape Chicago’s modern startup ecosystem. As governor since 2019, Pritzker has focused on economic development, infrastructure, education, and social policy, leveraging both his business background and philanthropic commitments to influence public life on a statewide and national scale.

Jay Paul, founder of the Jay Paul Company, is one of Silicon Valley’s most influential and discreet real estate developers, known for creating some of the region’s most valuable and sought-after corporate campuses. Since the 1970s, he has transformed underutilized land into cutting-edge office complexes occupied by tech giants such as Google, Amazon, and Apple, while reshaping skylines with projects like San Francisco’s landmark 181 Fremont tower. Renowned for his long-term vision, premium building standards, and exceptional tenant relationships, Paul has built a multibillion-dollar empire that underpins the infrastructure of the modern tech economy—all while maintaining a notably private personal profile.

Jay Chaudhry, founder and CEO of Zscaler, is one of the most successful entrepreneurs in cloud security, having built multiple cybersecurity companies before creating Zscaler in 2007 to redefine how enterprises protect their networks. Born in a small Himalayan village in India with no running water or electricity, Chaudhry immigrated to the U.S., earned multiple engineering and business degrees, and launched a series of security startups acquired by major tech firms. With Zscaler’s zero-trust platform now securing thousands of global enterprises, he has become a leading voice in cloud transformation and one of the wealthiest self-made immigrant founders in Silicon Valley.

Jared Smith, cofounder of Qualtrics, helped build one of the world’s leading experience management platforms, transforming the way companies gather insights and understand customers, employees, and markets. Launching the company with his brother Ryan and their father in a Utah basement, he oversaw product development and technology that powered Qualtrics’ rapid ascent from a bootstrapped startup to a multibillion-dollar enterprise. Following its $8 billion acquisition by SAP, Smith continued as president of Qualtrics, driving global expansion and innovation. Known for his operational discipline and product vision, he remains a key figure in the modern SaaS landscape.

Jared Isaacman, entrepreneur and pilot, is the founder and CEO of Shift4, the payment processing company he launched as a teenager and later scaled into a multibillion-dollar publicly traded enterprise serving restaurants, hotels, stadiums, and major global brands. A skilled aviator with thousands of flight hours, Isaacman gained worldwide attention as commander of Inspiration4—the first all-civilian orbital space mission—funded largely by his own philanthropy in support of St. Jude Children’s Research Hospital. Combining bold entrepreneurial vision with a passion for aerospace and charitable impact, he has emerged as one of the most dynamic business leaders of his generation.

Jamie Dinan, founder and CEO of York Capital Management, is one of the most respected figures in the hedge fund world, known for his disciplined event-driven and distressed investing strategies. After losing his entire savings during the 1987 market crash, Dinan rebuilt his career and launched York in 1991 with just $3.6 million, growing it into a multibillion-dollar global firm with offices in New York, London, and Hong Kong. Renowned for his resilience, rigorous analysis, and long-term perspective, Dinan also holds ownership stakes in major sports franchises and is an active philanthropist in education and healthcare.