Petri has extensive experience in both finance and IT, holding qualifications as a Chartered Accountant (CA(SA)) and a Certified Information Systems Auditor (CISA). He began his career in South Africa, where he audited several listed companies, banks, and entities in various other sectors.

He later worked in the United States before moving to the Cayman Islands, where he gained extensive exposure to the funds industry, including internal controls and IT controls for funds and service providers.

In the latter part of his career, he focused on digital assets and worked with some of the largest funds and service providers in the space. Petri currently serves as the Chairman of the Blockchain Association of the Cayman Islands (BACI) and sits on the steering committees of Digital Cayman and the Crypto Currency Security Standard (CCSS).