Orestis Sinis

DIRECTOR | Marketing Technology • Marketing Operations • AI Automation

Talent

DCMember since July 13, 2026

Marketing OperationsMarketing TechnologyGA4Google Tag ManagerCMS MigrationSEOLooker StudioExecutive DashboardsGoogle AI

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Marketing OperationsMarketing TechnologyGA4Google Tag ManagerCMS Migration

About

Marketing operations leader with 14+ years of experience leading enterprise digital marketing, marketing technology, analytics, workflow automation, SEO, CRM integration, and AI-assisted process optimization. Experienced managing enterprise websites, GA4/GTM implementations, CMS migrations, executive reporting, and cross-functional initiatives. Recognized for improving operational efficiency through automation, scalable marketing systems, and data-driven decision making.

Experience

Digital Marketing Manager - Trinity Health

(2021-01)

Lead enterprise digital marketing operations across corporate and regional healthcare websites.
Directed migration of 14 enterprise websites to a new CMS platform.
Manage 50+ Google Analytics properties and maintain enterprise reporting standards.
Implemented Google Tag Manager event tracking including click-to-call, PDF downloads, and engagement events.
Develop AI-assisted workflow automations to improve marketing efficiency.
Build executive dashboards and KPI reporting using Looker Studio.
Coordinate SEO initiatives that consistently improved organic visibility.
Manage vendor relationships supporting six-figure SEM budgets.

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