Built under three capital models: bootstrapped, venture-backed and private capital. Together, Jeff’s companies generated more than $100 million in aggregate transaction value, capital formation, and revenue.
2023–2026
Continuum was an AI-platformed, fully integrated wellness club in New York’s West Village: a single source of truth and execution that used biometric AI to deliver each member’s plan, with a team of allied experts under one roof. Jeff founded it in 2023, and the club opened in 2024. Continuum reached multi-million-dollar ARR within 18 months.
Continuum was acquired in 2026.
2019–2023
Altis was based in Fort Lauderdale. It built AI and computer-vision technology that analyzed human movement and coached it in real time. The product debuted at CES 2022. The company raised $10.5 million in seed financing.
Altis was acquired in 2023.
2009–2020
Halevy Life, Jeff’s New York City health club, evolved into Apex Human Performance. HLVY Group was the holding company for Apex and other ventures. The club combined training, physical therapy, nutrition and health testing under one roof.
In 2015, Halevy Life offered a 90-day “Fitness Guaranteed” money-back program, covered at the time by Inc., the New York Daily News and others.
Apex was acquired in 2020.
Next
Jeff now advises companies from idea to IPO, drawing on all three. Core sectors: health, wellness, human performance, hospitality, and AI-enabled products and services.