Lukasz Trojan

Lukasz is the founder of Ohayu, a mobile connectivity company focused on global eSIM solutions.

With over a decade of experience in mobile telecom and digital infrastructure, he combines deep technical knowledge with real-world user needs. Lukasz has led product development, launched international partnerships, and written extensively about mobile networks, eSIM architecture, and digital nomad tools. His articles reflect a practical, tech-savvy perspective shaped by building Ohayu from the ground up.

When he writes about eSIM, you’re getting insight straight from the source.