Three foreign guests: two students Thomás Mattos (Brazil) and Alina Guyon (USA) and Sheryl Guyon (Executive Director, All the Sky Foundation, USA) attended as observer in 280th In-House Executive design lab that took place in Social Business Learning Centre (SBLC), GTT corporate office. The guests also exchanged their views with GTT official- Mr. Jayanta Kumer Bosu (Team Leader, SB & Program Support) and Mr. Manjur Ahmed (Head of HR and Admin).