He is co-founder and member of the Latvian Economist's Association 2010, which emerged from the group of intellectuals and policymakers in 1992 in Washington DC.
[1] As an economist and politician, Osis favors a free market economy and less government intervention in business.
Also after leaving this position, he was active as an adviser to the leading Latvian center and center-right political parties like People's Party, Latvia's First Party/Latvian Way, Latvian Development, assisting in drafting their economic plans and strategy.
In 2004 he advocated Latvia's joining the European Union and wrote the book Between Two Worlds (Starp divām pasaulēm).
Following Latvian accession to the European Union, Osis prepared a series of proposals to improve Latvia's social security system.