Theodoros Louloudis is the founder of the economic consulting firm Data Research and Consulting, which he established in 1993 and remains the cornerstone of his business activities to this day. Since 2011, he has been the publisher and CEO of the newspaper Peloponnisos, which also operates a publishing house, an event and conference organizing company, and engages in various other corporate activities.

In the past, he has worked for marketing research firms and has served as a scientific associate for organizations such as the Municipalities of Patras and Dymi, the Region of Western Greece, the Federation of Industries of Western Greece (SEV), the Institute of Labour of the Greek General Confederation of Labour (INE-GSEE), and others.

He has an extensive body of written work, with publications and contributions to scientific conferences, focusing on topics such as marketing, public opinion research, bibliography, and historical demography. Since January 2025, he has assumed the position of President of the Achaia Chamber of Commerce, actively contributing to the promotion of entrepreneurship and the economic development of the region.