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|Born||1961 (age 56–57)|
|Education||German International School of Cairo, Egypt|
|Alma mater||University of Chicago|
CEO, Orascom Construction Industries|
Executive chairman, Aston Villa FC
|Net worth||US$7.3 billion (September 2018)|
|Relatives||Naguib Sawiris and Samih Sawiris (brothers)|
Nassef Onsi Sawiris (Egyptian Arabic:ناصف أنسى ساويرس; born in 1961) is an Egyptian billionaire businessman, the youngest of Onsi Sawiris' three sons (his brothers are Naguib and Samih). As of July 2018, his net worth was estimated to be $6.8 billion, and the sixth richest African in 2017, according to Forbes.
Nassef Sawiris received his secondary education in the German International School of Cairo, Egypt. Then he continued at University of Chicago where he received a bachelor's degree in economics in 1982.
Since 1982, he has held senior positions with several organizations.
He joined the Orascom group in 1982 and oversaw the construction activities of Orascom Construction following the transfer of management control from his father Onsi Sawiris in 1995. He became CEO of Orascom Construction Industries following the company's incorporation in 1998. He served on the board of Besix, following OCI SAE acquiring a 50% stake in the company in 2004, and a member of the emuneration and nominations committee until 2017.
He was on the board of directors of the Cairo and Alexandria Stock Exchanges from 2004 to 2007, and was also a board director at the Dubai International Financial Exchange DIFX from July 2008. to June 2010 
In January 2013, he became CEO OCI NV when they acquired the former parent company OCI SAE. In 2015, he was elected a board member of LafargeHolcim, having served on Lafarge SA's board since 2008.
In October 2015, it was reported that Sawiris had acquired a stake in Adidas AG via his investment company NNS Holding Sàrl Luxembourg. In 2016 he was appointed as supervisory director of Adidas AG, Herzogenaurach, Germany,
It was announced in July 2018 that Sawiris would replace Tony Xia as chairman of Aston Villa F.C. following the purchase of a 55% controlling stake by NSWE, a company jointly owned and controlled by Sawiris' group NNS and American billionaire Wes Edens.
Other appointments include member of Cleveland Clinic's international leadership board, and in 2013 became a member of the University of Chicago's board of trustees, for which he setup the 'Onsi Sawiris Scholars Program' in honor of his father in March 2105.
Sawiris is a Christian. He is married, with four children, lives in London, and maintains a residence in New York City.
- "Forbes profile: Nassef Sawiris". Forbes. Retrieved 21 July 2018.
- Vinton, Kate. "African Billionaire Fortunes Decline On New FORBES List Of The Continent's Richest". Forbes. Retrieved 10 January 2017.
- "Business Leaders". 4-Traders. Retrieved 28 July 2018.
- "Our History". orascom.com. Retrieved 28 July 2018.
- "Group Activity Report 2107" (PDF). besix.com. Retrieved 28 July 2018.
- "DIFX appoints Nassef Sawiris as Director". Nasdaqdubai.com. 13 July 2008.
- "Corporate Governance". Nasdaqdubai.com. 13 July 2010.
- "Board of Directors". oci.nl. Retrieved 28 July 2018.
- "Our History". oci.nl. Retrieved 28 July 2018.
- "Board of Directors". LafargeHolcim. 13 July 2008.
- "Egyptian Billionaire Sawiris Discloses 6% Stake in Adidas". Wall Street Journal. 30 October 2015.
- "Supervisory Board". Adidas AG. 31 January 2016.
- "Supervisory Board CV" (PDF). Adidas AG. 31 January 2016.
- "Club Statement". AVFC.co.uk. 20 July 2018.
- "International Leadership Board". Cleveland Clinic Giving. Retrieved 28 July 2018.
- "Board of Trustees". University of Chicago. Retrieved 28 July 2018.
- "University of Chicago Receives $20 Million for Egyptian Students". Philanthropy News Digest. 29 March 2015.