Siobhan O'Brien

Siobhan O'Brien is a seasoned product designer with extensive experience in leading design initiatives across various technology companies. Currently serving as a Senior Product Designer at Monzo Bank since September 2025, Siobhan previously held roles at Teamwork.com as a Principal and Senior Product Designer, where leadership in strategic design projects resulted in high-quality, user-centered solutions. Prior experience includes a Senior Product Designer position at Primer, focusing on checkout solutions, and a tenure at Zettle by PayPal, where Siobhan played a pivotal role in unifying product designs post-acquisition. Earlier roles at Scott Logic involved custom financial platform designs for major financial institutions, while the career began with a Quality Assurance internship at American Tower. Siobhan holds a Bachelor of Science degree in Business Information Systems from University College Cork.