Jan Mari Adan has handled arbitration proceedings as well as civil, criminal, and labor cases before the Supreme Court, Court of Appeals, Regional Trial Courts, Metropolitan Trial Courts and National Labor Relations Commission, among others. She has experience in estate settlement, contract and legal opinion drafting, and due diligence review.

Atty. Adan graduated with a bachelor's degree major in Philosophy and minor in Development Management from the Ateneo de Manila University and obtained her Juris Doctor degree from the Ateneo Law School in 2012. In law school, she became a member of the Ateneo Human Rights Center. She was admitted to the Philippine Bar in 2013.