Michael Polsky, founder and CEO of Invenergy, is one of the most influential builders of the modern renewable-energy landscape in North America. After immigrating to the United States from Ukraine, he launched multiple successful energy ventures before founding Invenergy in 2001 and growing it into a global leader in wind, solar, and advanced energy-storage development. With billions invested in clean-power infrastructure and a portfolio of projects across more than a dozen countries, Polsky has become a pioneering force behind the energy transition—pairing engineering rigor with long-term capital and policy leadership to accelerate the shift toward sustainable power systems.

Max Lytvyn, cofounder and chief revenue officer of Grammarly, helped build one of the world’s most widely used AI-powered productivity platforms, transforming how people write and communicate online. A Ukrainian-born entrepreneur, Lytvyn co-founded Grammarly in 2009 alongside Alex Shevchenko and Dmytro Lider, scaling it from a niche grammar tool into a global company serving tens of millions of daily users across education, business, and consumer markets. While his cofounders focused on engineering and product, Lytvyn drove commercial strategy, partnerships, and enterprise adoption, playing a central role in Grammarly’s evolution into a multibillion-dollar software company at the forefront of applied AI.

Max Levchin, cofounder of PayPal and CEO of Affirm, is one of Silicon Valley’s most influential fintech architects, having helped define digital payments, online identity, and modern consumer credit. As PayPal’s original CTO, Levchin built the company’s core anti-fraud and risk systems, laying the groundwork for one of the internet’s most successful financial platforms. He later founded Affirm to reinvent consumer lending with transparent, installment-based payments that challenge traditional credit cards. A prolific angel investor and cofounder of the Founders Fund, Levchin has backed and shaped dozens of iconic tech companies, earning a reputation for deep technical rigor, product-driven leadership, and long-term conviction.

Leonid Radvinsky, entrepreneur and owner of Fenix International, transformed OnlyFans into one of the most profitable creator platforms in the digital economy. With a background in building subscription-based and user-generated content businesses, Radvinsky acquired OnlyFans in 2018 and oversaw its explosive growth, turning it into a multibillion-dollar marketplace where creators directly monetize their audiences. His strategy centered on frictionless payments, global accessibility, and empowering creators with high revenue shares. Despite maintaining an extremely low public profile, Radvinsky remains a pivotal figure in the creator economy, shaping how digital content is produced, distributed, and monetized.

Alexander Rovt is a billionaire investor and real estate magnate who made his fortune in the global fertilizer trade before shifting to high-value property holdings in New York City. Born in the former Soviet Union, Rovt built his empire through international business acumen and now controls a vast portfolio of debt-free real estate. Known for his low profile and conservative financial strategy, he stands as a symbol of disciplined wealth building.

Alex Shevchenko is the co-founder of Grammarly, the AI-powered writing assistant used by millions worldwide. With a background in computer science and a passion for language, Shevchenko helped build one of the most successful Ukrainian-founded tech companies, revolutionizing digital communication through intelligent writing tools. His work bridges technology and human expression at scale.

Jan Koum is a Ukrainian-American billionaire entrepreneur and co-founder of WhatsApp, the world's leading messaging application, which was acquired by Facebook in 2014. Known for his deep technical expertise and minimalist approach to app development, Koum has significantly influenced global communications.

Len Blavatnik is a Ukrainian-born British-American businessman, investor, and philanthropist. He is the founder and chairman of Access Industries, a privately-held industrial group, and is known for his investments in diverse sectors including natural resources, media, telecommunications, and real estate.