About Ricardo Seixas

Ricardo is an advertising executive and entrepreneur based in Manchester, United Kingdom. He is the founder and CEO of One Day Agency, an international integrated advertising and marketing agency established in 2019. With more than 20 years of experience in digital advertising across four continents, he has worked with major consumer brands, technology companies, start ups and global agencies, leading digital and marketing projects for international clients.[1]

Seixas began his career in digital design before moving into marketing and advertising roles, including positions at Google and leadership roles within agencies. In 2019 he founded One Day Agency, built as a fully integrated model bridging creative, media, strategy and technology.[1]

Under his leadership, the agency has grown into a multi market operation with offices in Manchester, London, Warsaw, Paris and Berlin, delivering campaigns across Europe and beyond. One Day Agency has been recognised as a Top 50 Integrated Agency and named among Prolific North’s Independent Agencies to Watch.[1][2]

Seixas studied engineering at Instituto Superior de Engenharia do Porto, later completing a master’s degree in communication design at ESAD – Escola Superior de Artes e Design, and an MBA at Católica Porto Business School.[5][6]

Beyond his work as a founder and CEO, Seixas frequently shares perspectives on marketing, technology and entrepreneurship through industry commentary and public speaking.

References

[1] https://www.manchesterdigital.com/post/one-day-agency/how-i-became-ricardo-seixas-founder-and-ceo-one-day-agency/

[2] https://www.prolificnorth.co.uk/news/textile-firm-behrens-group-acquires-one-day-agency/

[5] https://www.linkedin.com/in/ricardoseixas

[6] https://www.goodreads.com/book/show/21801978-processos-criativos