In 2015, Mijal co-founded SembraMedia with Janine Warner. Mijal is also a journalist, entrepreneur and teacher. She has worked as a professor at the Torcuato Di Tella University, University of San Andrés and developed the Entrepreneurial Journalism Journalism program for the School of Journalism TEA. She began her journalistic career launching her own magazine at age 22 and leading a team of 20 people. At the age of 24, she started working as a digital startup consultant, specialising in monetization and management. She worked for international companies, such as Coca Cola, on online education and brand development projects. Mijal has participated as a speaker and panellist in international conferences such as ISOJ, Media Party and the Perugia International Journalism Festival.
