A hands-on, born-to-be engineer, anxious to roll up his sleeves and start building products, Yoonjae joined the startup ecosystem at an early age, even before graduating from Sogang University with a B.A. in Computer Science and Engineering. From a news search engine to online recruiting platform and blockchain technology for IoT devices, he has built a variety of tech services in all shapes and sizes: simply put, if there’s a need, he can build a service for that.