Deep experience with advertising account architecture and campaign activation, including business and manager accounts, advertiser accounts, users and roles, OAuth authorization, service accounts and system users, permissions and scopes, pages and profiles, pixels, catalogs, audiences, campaigns, budgets, billing, currencies, time zones, targeting, creatives, conversions, reporting, optimization, and lifecycle state management. Define and govern Clarvos's multi-tenant advertising account architecture, including manager and business accounts, child advertiser accounts, users, roles, permissions, asset sharing, credentials, token management, billing profiles, currencies, time zones, customer isolation, and offboarding.