Karoly Nyisztor is a seasoned software engineer, instructor, and author with over 25 years of experience. He has educated more than 300,000 students globally and holds 12 patents in the fields of software architecture and mobile computing.

Karoly has worked for notable companies, including Siemens, SAP, and Apple, where he contributed to high-impact projects.

In 2016, Karoly founded Leakka, a company dedicated to software development, tech consulting, and educational services. His courses, particularly in Software Architecture, Object-Oriented Programming, Software Security, iOS Programming, Machine Learning, and Python Programming, have equipped countless professionals and students with critical skills for the tech industry.

A developer of several successful iOS apps featured by Apple as 'New and Noteworthy' and 'Best Travel Apps,' Karoly is deeply passionate about teaching and aims to inspire students to discover hidden talents and explore the world of startups and programming.