Bastian Nominacher, cofounder and co-CEO of Celonis, helped turn a Munich startup into one of Europe’s most valuable software companies by building a global leader in process mining and process intelligence. Since launching Celonis in 2011, he has helped scale the company into a major enterprise software force serving thousands of deployments worldwide, as businesses use its platform to uncover inefficiencies, streamline operations, and make AI more effective in real-world workflows. Known for execution-focused leadership and long-term product conviction, Nominacher has become one of the standout founders in European tech.

Alexander Rinke, cofounder and co-CEO of Celonis, helped turn a university project into one of Europe’s most valuable software companies by building a global leader in process mining and process intelligence. Since cofounding Celonis in 2011, he has guided its rise into a major enterprise software force serving thousands of deployments worldwide, as companies use its technology to uncover inefficiencies, improve operations, and accelerate AI-driven decision-making. Known for product conviction and execution-focused leadership, Rinke has become one of the standout founders in European tech.

Robert Steers, cofounder and executive chairman of Cohen & Steers, helped build one of the first investment firms dedicated to listed real estate securities and turn it into a major force in real assets and income investing. He launched the firm with Martin Cohen in 1986, helped take it public in 2004, and spent decades shaping its expansion from a REIT-focused specialist into a broader asset manager with a global footprint. Known for long-term conviction and deep expertise in real estate securities, Steers remains one of the defining figures in modern real-assets investing.

Herriot Tabuteau, founder, CEO, and chairman of Axsome Therapeutics, has built one of biotech’s most closely watched companies by focusing on treatments for central nervous system disorders. A Yale-trained physician with a background in healthcare investing, he launched Axsome in 2012 and helped turn it into a major player in depression, Alzheimer’s agitation, and other brain-health markets. Known for combining scientific ambition with financial discipline, Tabuteau has emerged as one of the most notable entrepreneurs in modern neuropsychiatric drug development.

Scott Watterson, cofounder and longtime chairman of iFIT, helped build the company from its 1977 origins as Weslo into a global force in connected fitness. Over more than four decades, he steered the evolution of the business—formerly known as ICON Health & Fitness—into a major player spanning exercise equipment, digital training, and subscription fitness technology. Known for long-term control and product-driven growth, Watterson remains one of the defining entrepreneurs behind the modern home fitness industry.

Norman Asbjornson, founder of AAON, built the Tulsa-based company into one of America’s most successful HVAC manufacturers by focusing on semi-custom, high-performance heating and cooling systems for commercial buildings. After founding AAON in 1988 and taking it public three years later, he led the company for decades, turning it into a major force in energy-efficient climate control. Known for disciplined growth and long-term ownership, Asbjornson stands out as one of the most successful self-made industrial entrepreneurs in the HVAC sector.

Peter Beck, founder and CEO of Rocket Lab, turned a New Zealand startup into one of the most important commercial space companies in the world. Known for making orbital launch more frequent and affordable, he built Rocket Lab from its Electron rocket business into a broader space systems platform spanning satellites, components, and deepening ambitions in larger launch vehicles. Beck has emerged as one of the defining entrepreneurs of the private space era, combining engineering credibility with relentless execution.

David Halbert, founder, chairman, and CEO of Caris Life Sciences, built the company into a major force in precision medicine by focusing on molecular profiling and personalized cancer care. A longtime entrepreneur with experience across energy, finance, and healthcare, he turned Caris into one of the most closely watched diagnostics companies in biotech, culminating in its 2025 IPO and his rise into the billionaire ranks. Known for long-term control and conviction-driven growth, Halbert has become a prominent figure in the push to make cancer treatment more data-driven and individualized.

Charles Liang, founder, president, CEO, and chairman of Supermicro, built the company into one of the biggest winners of the AI infrastructure boom by supplying the high-performance servers and data center systems powering cloud, enterprise, and artificial intelligence workloads. Since founding the business in 1993, he has turned Supermicro from a Silicon Valley hardware specialist into a global force in server architecture, storage, and energy-efficient computing, making him one of the most prominent executives riding the explosive demand for AI infrastructure.

Robert Pender, cofounder and executive co-chairman of Venture Global, helped build one of the fastest-rising liquefied natural gas exporters in the United States. Alongside Michael Sabel, he turned the company into a major force in LNG infrastructure and global energy supply, positioning Venture Global among the most closely watched players in the sector. Known for a lower public profile and long-term ownership, Pender has emerged as one of the standout fortunes created by the modern U.S. LNG boom.

Michael Sabel, cofounder, CEO, and executive co-chairman of Venture Global, helped build one of the fastest-rising liquefied natural gas exporters in the United States. Since launching the company in 2013 with Robert Pender, he has overseen its expansion from an ambitious startup into a major LNG player with large-scale export capacity and a central role in global energy supply. Known for aggressive execution and strategic timing, Sabel has emerged as one of the standout fortunes created by the modern LNG boom.

Jeremy Allaire, cofounder, CEO, and chairman of Circle, has spent more than a decade trying to build the financial plumbing of the internet age. A serial entrepreneur whose earlier ventures included Brightcove and Allaire Corporation, he helped turn Circle into one of crypto’s most important infrastructure companies through USDC, the dollar-backed stablecoin at the center of its business. With Circle’s rise as a major force in digital payments and blockchain-based finance, Allaire has become one of the most visible executives shaping the convergence of fintech, crypto, and global money movement.

David Adelman, CEO of Campus Apartments, turned an early teenage investment in student housing into one of the country’s leading privately held college-living platforms. Based in Philadelphia, he helped grow the business into a multibillion-dollar real estate company with assets under management across numerous states, while also expanding his reach into private investing, sports ownership, and finance. Known for aggressive dealmaking and institutional capital instincts, Adelman has become one of the most prominent entrepreneurs in student housing and adjacent real estate.

Danny Harris, cofounder and co-CEO of Alo Yoga, helped turn a Los Angeles startup launched in 2007 into one of the most powerful names in luxury athleisure. Alongside childhood friend Marco DeGeorge, he built the brand into a global lifestyle business spanning apparel, wellness, and retail, with an identity rooted in yoga culture, premium positioning, and celebrity-driven reach. Harris has emerged as one of the key entrepreneurs behind Alo’s explosive rise.

Marco DeGeorge, cofounder and co-CEO of Alo Yoga, helped build the Los Angeles–based brand into one of the most powerful names in luxury athleisure. Alongside childhood friend Danny Harris, he launched Alo in 2007 and turned it into a global lifestyle business spanning apparel, wellness, and retail, with a brand identity rooted in yoga culture, celebrity reach, and premium positioning. Known for a relatively low public profile, DeGeorge has emerged as one of the key entrepreneurs behind Alo’s explosive rise.

Michael Dorrell, chairman, CEO, and cofounder of Stonepeak, built the firm into one of the most influential investors in infrastructure and real assets. Since founding Stonepeak in 2011, he has helped turn it into a global private-markets powerhouse spanning energy, transport, digital infrastructure, and logistics. Known for disciplined dealmaking and long-horizon conviction, Dorrell has emerged as one of the standout billionaires created by the modern infrastructure investing boom.

Fernando De Leon, founder and CEO of Leon Capital Group, built a Dallas-based holding company that spans real estate, healthcare, financial services, and technology. After starting in real estate, he expanded aggressively across sectors, helping turn Leon into a multibillion-dollar platform with a reputation for opportunistic investing and long-term ownership. Known for combining entrepreneurial range with disciplined dealmaking, De Leon has emerged as one of the most prominent self-made billionaires in Texas business.

Peter Salanki, cofounder and chief technology officer of CoreWeave, helped build one of the AI boom’s fastest-rising infrastructure companies by turning specialized GPU expertise into a major cloud platform for artificial intelligence. After joining CoreWeave in 2019 and rising through its engineering ranks before becoming CTO in 2024, he became a central technical force behind the company’s expansion into high-performance compute for leading AI labs and enterprises. Known for deep engineering focus and a low public profile, Salanki is one of the key architects behind CoreWeave’s rise.

Michael Intrator, cofounder and CEO of CoreWeave, has become one of the standout winners of the AI infrastructure boom by transforming a company rooted in crypto-era GPU computing into a major cloud provider for artificial intelligence. A former hedge fund manager, he helped build CoreWeave into one of the sector’s fastest-rising players, supplying high-performance compute to leading AI companies and positioning the firm at the center of the race for AI capacity. Known for bold financing and aggressive scale, Intrator has emerged as one of the most consequential operators in the new AI economy.

Brannin McBee, cofounder and chief development officer of CoreWeave, helped build one of the AI boom’s most closely watched infrastructure companies by transforming an early GPU-heavy business into a major cloud platform for artificial intelligence. A former chief strategy officer at the company, he has been central to CoreWeave’s growth from startup to public-market player, helping position it as a key supplier of high-performance computing to AI developers and enterprises.