- In 1984, Cotman graduated from the Faculty of Law at the University of Ljubljana.
- After completing her traineeship at the Higher Court of Maribor and passing the State Bar Exam, she began working at the Ormož City Hall as a property legal advisor and as an administrative inspector for the General Administrative Procedure Act.
- In 1988, she joined the Surveying and Mapping Authority as an independent advisor for administrative legal matters in relation to environment and spatial planning.
- In 1992, she continued her career at the Ministry of Justice and Public Administration as an advisor to the minister in matters related to the conscientious objection to military service.
- Cotman then began working at the National Assembly of the Republic of Slovenia as Head of the Section for Petitions and Secretary of the Commission for Petitions, Human Rights and Equal Opportunities.
- From 1996 to 2003, she was a member of the examination board for professional certification exams for administrative workers for the general and specific part of the General Administrative Procedure Act. In 2003, she became a minor offence judge in Ljubljana and since 2004, she has been a member of the examination board for professional certification exams for conducting and decision-making in minor offence procedures at the then Administrative Academy.
- At the end of 2004, she was appointed State Secretary to the Ministry of Labour, Family and Social Affairs and in 2006 she became the Minister of Labour, Family and Social Affairs.
- At the end of her term of office in 2008, she passed the notary examination at the Ministry of Justice and was appointed notary in Brezovica near Ljubljana. Since then, she has continued with further professional education, especially in the fields of civil, inheritance, family and insolvency law.
During her rich professional career, Marjeta Cotman was appointed to the highest offices and positions in the field of state administration, justice and legislation. She also has nine years of experience in the field of the protection of human rights as Head of the Section for Petitions and Secretary of Commission for Petitions, Human Rights and Equal Opportunities at the National Assembly of the Republic of Slovenia. Cotman’s work encompassed the most demanding tasks in the most crucial legal fields.