Thomas Mark serves as the CEO and Co-Founder of Women's Best since August 2015, demonstrating significant leadership in the health and wellness sector. In addition, Thomas is a Co-Founder of Oner Active, a position held since September 2020, and also functions as the CEO and Co-Founder of Le Skin since July 2022. Through these roles, Thomas Mark has contributed to multiple successful ventures, focusing on empowering consumers with quality products in their respective markets.