Lan Marie Berg
Norwegian politician (born 1987)

Lan Marie Nguyen Berg (born 4 March 1987) is a Norwegian politician from the Green Party. She served as a Member of Parliament for Oslo from 2021 to 2025 and was one of the party's deputy leaders from 2022 to 2025. Prior to this, Berg held the position of Oslo City Commissioner for Transport and Environment from 2015 to 2021, stepping down after a confidence vote.
Education
Berg was born in Oslo. She has a master's degree from the Center for Development and the Environment at the University of Oslo. She wrote her master's thesis on the use of solar power in a Kenyan village.
Career
Berg joined the environmental organisation Spire in 2009, and worked for the Oslo Mela Festival. She was also part of an environmental blog collective called "Grønne jenter" (English: Green Girls), part of a group of ten women who wrote about environmentally conscious fashion, food and lifestyle. Berg was first elected to the Oslo city council in the 2015 Norwegian local elections, after being nominated as the first candidate for the Green Party in Oslo in September 2014.
On 10 October 2022, she was designated first deputy leader of her party, with Arild Hermstad as leader.
The public source identifies “Lan Marie Berg” as norwegian politician (born 1987). This brief keeps that definition visible, then builds a research path around Marie, Berg and Norwegian.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Lan Marie Berg”, the useful work is to connect “norwegian politician (born 1987)” to the records capable of establishing context and consequence.
The entry’s evidential value lies in the named roles, institutions and publications that can be tested against primary documentation. The source revision retrieved here is dated Aug 13, 2026. The linked authority identifier is Q21160698. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1987, 2021, 2025 and 2022.
Later biographies can compress uncertainty and repeat inherited reputations, so apparently settled claims may still require comparison. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Read biographical claims against dates, named institutions and the cited references. Distinguish a subject’s later reputation from evidence produced during their lifetime.
- Establishing names and roles
- Building a first chronology
- Locating cited institutions
Personal papers, civil or court records, institutional files and the scholarship cited by the source.
Three-step research path
- Establish the record: confirm the title “Lan Marie Berg”, its source revision and the description used here.
- Expand the search: follow Lan Marie Berg primary sources, Lan Marie Berg archive and Marie research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Lan Marie Berg”?
- Which claims depend on a single source or contested interpretation?
- How has the subject’s reputation changed across later accounts?
Search terms from this dossier
This entry incorporates text from “Lan Marie Berg” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.