Our data privacy/security policies require separate lead partitions within each country (and is aligned to how our CRM system is configured). Furthermore, since most countries have dedicated marketing personnel to support all go-to-market activity (including localization of global programs and campaigns), this approach made the most sense to keep the Marketo environment manageable and prevent other marketers from accessing (and accidetally deleting/modifying) other country assets/campaigns.
We are in the process of defining business rules that are needed - e.g., lead assigment to the proper lead partition when it enters the defaul lead partition in Marketo. And while we are working closely with our Marketo consultants to deploy this environment properly, I would like to understand any potential issues that we're not yet aware of. Feel free to share these with me.