Costas Mantziaris is a highly accomplished entrepreneur and consultant with a wealth of expertise in the digital marketing industry. He is the co-founder and Managing Partner at REBORRN, a leading consultancy and incubator based in London and Athens, specializing in business and product consulting for the digital economy.

Costas began his educational journey at the 6th High School of Kalamaria before pursuing a Bachelor of Arts in Business Administration at the University of Macedonia. This solid foundation in business studies laid the groundwork for his successful career in the digital marketing world.

Before starting REBORRN, Costas served as the Chief Executive of Isobar and iProspect in Greece. In 2015, he played a pivotal role in launching Isobar and iProspect after his own company, Mindworks, was acquired by Dentsu Aegis Network. Back in 2003, he co-founded Mindworks, which started as a small, specialized performance marketing agency and grew into the largest independent digital communications agency in Greece.

Throughout his tenure, Costas spearheaded numerous groundbreaking projects and consistently achieved remarkable results, leading to the acquisition of a staggering 100 awards globally. His exceptional work and innovative approach in the digital marketing field gained recognition from prestigious sources such as Advertising Age.

While his professional accomplishments are remarkable, Costas holds a true passion for solving real business challenges. He excels in merging data-driven insights with intuition to consult enterprise clients on building superior customer experiences and achieving their business goals.

In addition to his role as a consultant, Costas has a knack for public speaking and teaching. For over a decade, he has been a sought-after speaker and trainer, captivating audiences at conferences, universities, and seminars both in Greece and abroad. Throughout his career, he has trained over 3,000 individuals, sharing his extensive knowledge and expertise.