Best's career began in modeling during his late teens, leveraging his striking looks and famous lineage to secure campaigns with notable fashion brands and publications. His early exposure to the limelight paved the way for a transition into television, where he gained widespread popularity. Callum is best known for his appearances on reality TV shows such as "Celebrity Love Island," "Fool Around With," and "Celebrity Big Brother," where his personality and personal journey resonated with viewers.

Beyond his television and modeling work, Callum has ventured into business, focusing on areas aligned with his personal interests and lifestyle. He has launched his own fragrances and a nutrition company, showcasing his passion for wellness and fitness. His entrepreneurial spirit is marked by a commitment to health and well-being, principles that he promotes through both his businesses and public appearances.

Callum Best is also recognized for his advocacy in sobriety and mental health awareness, often speaking openly about his own struggles and recovery. His dedication to these causes is reflected in his participation in public speaking events and collaborations with charities that support addiction recovery and mental health.

Expanding his versatile career, Callum has recently partnered with Dr. Green, stepping into the burgeoning cannabis industry. This new venture is a testament to his interest in wellness and holistic health solutions. Through his collaboration with Dr. Green, Callum aims to explore how cannabis can be integrated into a lifestyle that prioritizes mental and physical health, furthering his commitment to promoting well-being.

Best continues to influence and inspire through his multifaceted career, his public advocacy, and now his innovative partnership with Dr. Green, seeking to educate and redefine perceptions around health and cannabis in the modern world.