Question: Who owns the wealth funds that Knut N. Kjær was the manager of from 1997 to 2008?

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Qatar Investment Authority: The Qatar Investment Authority (Arabic: جهاز قطر للإستثمار) (QIA) is Qatar's state-owned holding company that can be characterized as a National Wealth Fund.  It specializes in domestic and foreign investment.  The QIA was founded by the State of Qatar in 2005 to strengthen the country's economy by diversifying into new asset classes.  The fund is a member of the International Forum of Sovereign Wealth Funds and is therefore signed up to the Santiago Principles on best practice in managing sovereign wealth funds.

Libyan Investment Authority: The Libyan Investment Authority (LIA) (المؤسسة الليبية للاستثمار) is a government-managed sovereign wealth fund and holding company headquartered in Tripoli, Libya.  It was established on August 28, 2006, by Decree 208 of the General People's Committee of Libya (GPC), after the lifting of economic sanctions that had previously precluded foreign investment in Libya.  The LIA oversees and manages investments in various areas including agriculture, real estate, infrastructure, oil and gas and in shares and bonds.  It is Africa’s largest sovereign wealth fund.  The fund is a member of the International Forum of Sovereign Wealth Funds and is therefore signed up to the Santiago Principles on best practice in managing sovereign wealth funds.

Government Pension Fund of Norway: The Government Pension Fund of Norway comprises two entirely separate sovereign wealth funds owned by the government of Norway.

National Development Fund of Iran: The National Development Fund of Iran (NDFI) (Persian: صندوق توسعه ملی‎ ‎ ) is Iran's sovereign wealth fund.  It was founded in 2011 to supplement the Oil Stabilization Fund.  NDFI is independent of the government's budget.  Based on Article 84 of the Fifth Five-year Socio-Economic Development Plan (2010–2015), the National Development Fund was established to transform oil and gas revenues to productive investment for future generation.  It is a member of the International Forum of Sovereign Wealth Funds and therefore is signed up to the Santiago Principles on best practice in managing sovereign wealth funds.

New Zealand Superannuation Fund: The New Zealand Superannuation Fund is a sovereign wealth fund in New Zealand.  New Zealand currently provides universal superannuation for people over 65 years of age and the purpose of the Fund is to partially pre-fund the future cost of the New Zealand Superannuation pension, which is expected to increase as a result of New Zealand's ageing population.  The fund is a member of the International Forum of Sovereign Wealth Funds and is therefore signed up to the Santiago Principles on best practice in managing sovereign wealth funds.

Kuwait Investment Authority: The Kuwait Investment Authority (KIA) is Kuwait's sovereign wealth fund, managing body, specializing in local and foreign investment.  It is the 5th largest sovereign wealth fund in the world with assets exceeding $592 billion.  It is a member of the International Forum of Sovereign Wealth Funds and has signed up to the Santiago Principles on best practice in managing sovereign wealth funds.

Knut N. Kjær: Knut Norheim Kjær (born 14 April 1956) is a Norwegian economist.  He was the first manager of the Government Pension Fund of Norway, from 1997 to 2008.  In 2008 Yngve Slyngstad became CEO of the fund.

Abu Dhabi Investment Authority: The Abu Dhabi Investment Authority (ADIA) is a sovereign wealth fund owned by Emirate of Abu Dhabi (in United Arab Emirates) founded for the purpose of investing funds on behalf of the Government of the Emirate of Abu Dhabi.  It manages the Emirate’s excess oil reserves, estimated to be as much as $1.329 trillion.  Its portfolio grows at an annual rate of about 10% compounded.  The fund is a member of the International Forum of Sovereign Wealth Funds and is therefore signed up to the Santiago Principles on best practice in managing sovereign wealth funds.

Fundo Soberano de Angola: The Fundo Soberano de Angola (FSDEA) is the sovereign wealth fund of Angola.  and member of the International Forum of Sovereign Wealth Funds and therefore has signed up to the Santiago Principles on best practice in managing sovereign wealth funds.  The FSDEA is meant to play an important role in promoting Angola’s social and economic development and generating wealth for its people.  The fund was rated by the SWFI in February 2015 with a ranking of 8 out of 10.

Sovereign Wealth Fund Institute: The Sovereign Wealth Fund Institute or SWF Institute, or SWFI, is a global corporation analyzing public asset owners such as sovereign wealth funds and other long-term governmental investors.  Initially, the Sovereign Wealth Fund Institute focused solely on sovereign wealth funds.  It has branched out to cover all types of public institutional investors.  The institute is a financial data vendor but provides information to the media as well.  It was founded by Michael Maduell and Carl Linaburg in late 2007.

Supporting paragraphs: Knut N. Kjær Government Pension Fund of Norway
Answer: the government of Norway