21–50

Warwick Smith is the CEO of American Pacific Mining, a U.S.-focused copper and gold exploration company. With over 25 years in the mining industry, he is known for strategic transactions, disciplined capital management, and building shareholder value through high-potential resource projects.

Eric Siu is the gamer-turned-operator who took over a failing SEO shop, almost shut it down, then rebuilt it into Leveling Up – a multi-million dollar marketing and education company. He now runs multiple businesses under the Leveling Up brand, hosts two podcasts, and treats entrepreneurship as a long-term game.

John Nunziato walked away from big agencies and timesheets after 9/11 to build Little Big Brands, a 25-year independent shop that puts brand first, ego last. He grew a one-man package design studio into a full brand and advertising partner that evolves global CPGs, keeps clients for decades, and treats asset consistency, long-term relationships, and honest feedback as real competitive edges.

Dhanush Radhakrishnan is the founder of Clone Robotics, building musculoskeletal androids driven by fluidic artificial muscles. His thesis is simple: copy human anatomy one to one, pair it with modern deep learning, and you get human level strength, speed, and dexterity in a soft body at a cost that can scale.

Chetan Parikh left a chemical engineering career to build applied AI for healthcare. After exiting EZDI, he founded RAAPID to bring neuro-symbolic and agentic AI to risk adjustment and coding, aiming for trustworthy automation, fewer audits, and coders working at top of license.

Roy Lee built Cluely, a desktop AI that sits over your computer, listens to meetings, reads your screen, and feeds you answers in real time. He embraces the ‘cheat on everything’ framing as a marketing edge, pairs viral short-form growth with product speed, and hires like owners with a large option pool.

Sam Stoffel built a multi million pound subscription business teaching match betting strategies, exited for £10M, and now leads Subspot Shopify for subscriptions. His playbook: ethics over easy volume, focus over distraction, and cash buffers over bravado.

From intense hustle to strategic scaling: How I built a multi-million dollar business by turning personal expertise into digital products.