Datuk Seri Dr. Yusof Bin Ismail was the former Director General of Malaysian Administrative Modernisation and Management Planning Unit (MAMPU) from Apr 2020 until May 2023, after serving as the Deputy DG in MAMPU from May 2019 to Apr 2020. He was an Administrative and Diplomatic Officer (PTD) with more than thirty-five (35) years of experience in the civil service, majoring in economics and finance, public sector strategic management and digital government.

He is currently a Commissioner at Enforcement Agency Integrity Commission (EAIC).

His working experience includes:-
- Under Secretary, Strategic Investment Division, Ministry of Finance (Mar 2016-May 2019)
- Deputy Under Secretary, Government Investment Companies Division (Commercial), Ministry of Finance (Aug 2015-Mar 2016)
- Deputy Chief Executive Officer (Planning and Development Sector) Langkawi Development Authority (LADA), Ministry of Finance (Jun 2013-Aug 2015)
- Deputy Director, Science and Technology Manufacturing Industry Section, Economic Planning Unit, Prime Minister's Department (Dec 2012-Jun 2013)
- Deputy Director, Energy Section, Economic Planning Unit, Prime Minister's Department (Nov 2010-Dec 2012)
- Principal Assistant Secretary, Ministry of Rural and Regional Development (Aug 2004-Aug 2006) 
- Special Officer to the Secretary General of the Treasury, Ministry of Finance (Jun 2000-Aug 2004) 
- Assistant Secretary, Finance Division, Investment Section, Ministry of Finance (Aug 1997-Jun 2000)
- Assistant Secretary, Economics Division, Ministry of Finance (Jan 1988-May 1996)

He had previously served on the Board of Directors of several public and private companies. Some of his past directorships in public companies are:-
- Malaysia Debt Venture Berhad (2015-2016)
- Perbadanan Nasional Berhad (2015-2016)
- Govco Holdings Berhad (2016-2019)
- Digital Nasional Berhad (2021-2023)
- Bank Pertanian Malaysia Berhad (2016-2019)

1. Green Packet Berhad and Group
2. Awanbiru Technology Berhad
3. Yayasan Taqwa Wilayah Persekutuan

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