Managing Partner of The Hotelier Office Hospitality Consultancy since January 2025,  a hotel consulting company licensed by the Ministry of Tourism and accredited by the Ministry of Justice as a hospitality expert firm, advising hotel owners, real estate investment funds, and government entities.

He is a Member of the Investment and Executive Committee of Karam Alarabia Holding since February 2019, and a Board Member of Alan Advertising & Media since August 2021.

He co-founded Karims Hotel and served as its Hotel General Manager (2021–2024). Previously, he was Construction Project Manager at Karam Mall (2019–2020), a Governance, Risk and Compliance Consultant at PwC Middle East (2018–2019), a member of the National Tourism Committee at the Federation of Saudi Chambers (2020–2024), and a Project Engineer at Helix Electric in the United States (2017).

He holds a Hospitality Consultant License from the Saudi Ministry of Tourism (License No. 16000025) and is an Accredited Hospitality Expert with the Ministry of Justice through the Khibrah platform.

He earned an MBA in Global Hospitality Management from Les Roches, Switzerland (2026), a B.S. in Construction Engineering Management with a minor in Entrepreneurship from California State University, Long Beach (2018), and a Private Pilot License from Orange County Flight Center, USA (2018).

He brings extensive experience in the Saudi hospitality sector.

Mazin is an official exhibitor and regulatory advisory presenter at the Hotel & Hospitality Expo Saudi Arabia, an on-air commentator on Rotana Khalejia's "Ya Hala", a published columnist for Maal newspaper, and has been featured by Travel Daily News.