The owner of Bad Mama, Genna Lin, originally from Keelung, worked at restaurants and bars in Japan before moving to Australia. She met the owner, Adam Hunt, in Australia, and both had experience in the bar industry. They returned to Keelung and opened Bad Mama Bar. Genna Lin, who had a background in fashion design in Tokyo, put a lot of effort into the interior design of the bar, blending exotic and local elements from Keelung. This effort earned them several international interior design awards, adding to Bad Mama's prestige. In addition to the restaurant's interior and decor, the menu and drink list also reflect the collision of Keelung's local flavors and international influences, making it a popular restaurant and bar among customers from various countries.