Catharina was able to represent her two countries of nationality in two of the so-called Big Four international beauty pageants. After winning the Mission Earth - Fire title, Catharina was able to help half-Korean ladies in joining beauty pageants in South of Korea in spite of the obstacle where Mission of Korea prefers full-blooded Korean candidates. Mission of Korea Brazil 2013
Catharina joined the Mission of Korea Brazil 2013 pageant where she was declared as first runner-up.
Catharina took over the place and becomes Mission of Korea Brazil 2013.
Catharina got her chance to compete Mission of Korea 2013. Mission of Korea 2013
Catharina joined the Mission of Korea 2013 pageant where she was declared as one of the second runners up winners.
She was not originally part of the second runners up but the Mission of Korea Organization decided to take another place for the "overseas" candidates. Catharina, being Mission of Korea Brazil 2013, filled that position.
Mission Earth 2013
Catharina replaced Kim Hyo-hee to be the Mission Earth of Korea 2013 titleholder.
She then flew to the Philippines to compete where she was hailed as Mission Earth 2013 - Fire. Catharina becomes the first Korean to get an elemental title and Asian delegate to snatch the Mission Earth - Fire title. As a Mission Earth delegate, an environmental advocacy is a must.
Based from Mission Earth"s website, Catharina"s platform for the environment is the cleanup of plastic wastes in the ocean.
She explained that because of these wastes, not only the marine animals are being affected by plastics but also because of its "microplastics that are blocking the sun from reaching the planktons and algae, hurting the whole marine food web."
During the entire preliminary activities of Mission Earth, Catharina was able to get a silver medal for the "I Love My Planet Schools Campaign". During the coronation night of Mission Earth 2013, Catharina emerged as the Mission Earth - Fire or equivalent to third runner up.
Mission World Brazil 2015
She was proclaimed as the first runner up.