Diana P Harjanti also known as DH Mahardika, graduated from the Fine Art Department at the Indonesian Institute of the Arts (ISI) Yogyakarta. She is a multidisciplinary artist.

Mahaedika explores artistic concepts through the use of mixed media materials such as aluminum, wood, broken glass, resin, and others. Her works often address social issues, presented through a strong engagement with material and form. Her artistic practice reflects a deep sensitivity and personal interpretation.

In 2018, Mahardika participated in a group exhibition “Eyes of Matrix” at Redbase Foundation Indonesia.