I work in this space. The article does a poor job of explaining exactly what this role does - but they allude to it with Chris Peake's comments.

> Peake, a former CISO, said a lot of the skills from his previous role have translated into his current one. However, he said the CTrO role differs from the CISO role because it operates more on the “business level,” as the work done by a CTrO can directly impact revenue generation, contract negotiation, and onboarding new customers.

In my view, it's a role that sits between Sales and Security. A major part of the role is getting customers and prospects information about your business and security controls to validate their own needs (e.g. compliance requirements). It's still a semi-technical role, but isn't necessarily focused on the nut-and-bolts of ground-level security.