Tan Sri Dato Sri Zamzamzairani holds a Bachelor of Science in Communications Engineering from United Kingdom. He completed the Corporate Finance, Strategies for Creating Shareholder Value programme at Kellogg School of Management, Northwestern University, United States of America. He also attended the Strategic Leadership Programme at the University of Oxford's Sa  d Business School and the IMD CEO Roundtable at Lausanne, Switzerland in 2013.

Tan Sri Dato Sri Zamzamzairani is the Chairman of the Board of UEM Sunrise Berhad appointed on 18 May 2017 and is a Director and Chairman of Hijrah Biru Sdn Bhd, a wholly owned subsidiary of Malaysia Aviation Group Berhad. He is also a Director of Universiti Telekom Sdn Bhd (UTSB) and an Adjunct Professor of Multimedia University (MMU). UTSB is a wholly-owned subsidiary of Telekom Malaysia Berhad (TM) that operates and manages MMU.

Tan Sri Dato Sri Zamzamzairani has vast experience in the telecommunications industry which spans more than 30 years, beginning in TM where he served for 13 years before assuming key positions in several multinationals such as Global One Communications and Lucent Technologies (Malaysia) Sdn Bhd, where he was Chief Executive Officer. In 2005, he returned to TM as Senior Vice President, Group Strategy and Technology and was promoted to Chief Executive Officer, Malaysia Business before appointed as Group Chief Executive Officer and Managing Director in April 2008 until his retirement from TM on 30 April 2017. 

Under Tan Sri Dato Sri Zamzamzairani's leadership, TM launched and successfully rolled out the high speed broadband service in 2010, in a historic collaboration with the Government of Malaysia. He was awarded the Business Person of the Year 2015 at the Asian Academy of Management International Conference organised by University Sains Malaysia and was named CEO of the Year 2015 at the Minority Shareholder Watchdog Group's Annual Corporate Governance Awards ceremony. He was conferred a special individual award for 'Outstanding Contribution to the Industry' at the 2017 Frost & Sullivan Malaysian Excellence Awards and was named the prestigious Telecom CEO of the Year at the 20th Telecom Asia Awards 2017.

1. UEM Sunrise Berhad (listed company)
2. UEM Group Berhad 
3. Malaysia Airlines Berhad
4. Malaysia Aviation Group Berhad

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