Harris has been in roles that encompassed a range of responsibilities related to technology strategy, content development, and management for organizations in education, real estate, government, and sports, working alongside some of the industry's best minds.

Harris was a Judo athlete in his younger years. Over the past decades, Harris has worked at six Olympic Games and for other business initiatives in key management roles. Harris's pivotal roles in spearheading Olympic education initiatives at scale in the US for the US Olympic Museum and Europe for the International Olympic Academy have equipped him with invaluable insights into branding and launching programs within both formal and non-formal educational settings.

Harris's key technical expertise is; data analytics, content development, learning management systems software development, product design, e-commerce, e-learning, UX, UI and website development. Harris's key management expertise includes leading digital transformation projects, strategic planning, financing, international relations, branding, HR, and B2B relations, as well as a deep understanding of business development trends.

In 2021, the Global Forum of Education and Learning (GFEL) named Kalofonos one of the top 100 visionaries for his work on Olympic education. He has also been twice nominated for the Mayor's Olympic City USA Leaders Under 40 award.

Harris also supports philanthropic organizations that empower cultural programming for youth worldwide.

Harris is widely recognized for his expertise. Several media outlets have published his work. For a more in-depth glance at his work and the matters he engages with, you can read more at https://hkalofonos.medium.com