In this special Tried and Tested episode recorded live at the ATP conference in Orlando, host Isabelle Gonthier, Chief Assessment Officer at PSI, sits down with Sierra Hampton-Simmons, Vice President of Certification at PMI, to explore what it really takes to operate a globally trusted certification program.

From starting out as a high school teacher designing her own tests to leading one of the most recognized credentialing portfolios in the world, Sierra shares her fascinating journey into the world of assessment. Together, she and Isabelle dive deep into PMI’s approach to balancing global scale with local relevance—covering everything from exam localization and accessibility to regional operating models and maintaining exam integrity across borders.

Whether you're just starting to think about international expansion or looking to fine-tune your global strategy, this episode offers practical advice, case studies, and inspiration for credentialing professionals everywhere.