Ronnie Madra

Founder & CEO



Ronnie Madra is a seasoned entrepreneur in the nightlife, hospitality, and entertainment world. He is Co-Founder and Partner of The Butter Group and its leading global nightclub brand, 1 OAK, with locations across New York, Las Vegas, Los Angeles, Tokyo, Dubai and The Maldives. More recently, after suffering from Tinnitus and Noise-Induced Hearing Loss (NIHL), Madra founded EAROS, which offers a revolutionary high-fidelity hearing protection product called EAROS ONE for the nightlife, hospitality, sports, and fitness sectors. EAROS ONE allows you to protect your ears in loud environments while still enjoying music, communicating clearly with those around you, and staying immersed in your environment.