About jEM4
THE serial entrepreneur


Meet James Edward McDonnell IV, also known as JEM4, a boy who started from Lynbrook, NY. encountering various challenges. Diagnosed with ADHD in his early years, he, along with his younger brother, relocated to sunny Florida with their mom.

Jamie’s the definition of a go-getter, kicking off his journey with his first gig, Professional Laboratories (PROLABĀ® ). Since then, he’s been hustling hard, always thinking about the next big thing. Jamie’s not just an entrepreneur; he’s a serial entrepreneur, an everyday guy turning challenges into opportunities, proving that with determination and a forward-thinking attitude, you can rock the business world.