Assistant Manager – OnStar Advertising, Dealer Experience

Responsibilities

• Support the marketing strategy and execution of the OnStar Dealer Excellence program, including initiatives that improve dealer visibility, engagement, and adoption
• Help develop dealer-facing marketing materials, digital toolkits, and point-of-sale resources that align to brand priorities and business goals
• Partner with internal stakeholders across Brand, Product Marketing, Dealer Sales, Retail Experience, Field, CRM, Digital, Creative, and Training to ensure dealer programs are connected, clear, and actionable
• Contribute to the development of dealer marketing standards and touchpoint strategies across digital and in-store environments
• Manage the rollout of dealer communications, guidance, and support materials to enable successful program adoption in the field
• Help coordinate content and assets across channels such as Tier 3 websites, in-dealer digital networks, social toolkits, and retail marketing materials
• Monitor program execution and identify opportunities to simplify processes, improve consistency, and strengthen the dealer and customer experience
• Support measurement, reporting, and optimization of dealer marketing initiatives, including tracking progress against key milestones and performance indicators
• Assist in gathering field feedback, identifying pain points, and translating insights into improved marketing program design and execution
• Ensure all deliverables reflect OnStar brand standards, legal and compliance requirements, and a strong customer‑first mindset
• Support presentations, status updates, and recommendation materials for leadership and cross‑functional partners
• Serve as the marketing face and voice for the OnStar Field team, with a consistent presence in monthly OnStar GTM meetings to share toolkits, talk tracks, and a preview of how OnStar is showing up in dealerships
• Partner with agency, media, creative, digital, CRM, and product marketing teams to ensure advertising for these products is aligned, compliant, and effectively represented across channels
• Manage advertising strategy and execution for OnStar Protect, Safety & Security, Guardian, and the Mobile App, including cross‑functional coordination of messaging, creative, campaign planning, and performance optimization

• Bachelor’s degree required
• 5+ years of experience in marketing, brand strategy, retail marketing, dealer marketing, or related functions
• Experience managing cross‑functional projects from strategy through execution
• Strong written and verbal communication skills with the ability to tailor messaging for different audiences
• Experience developing marketing materials, toolkits, or go‑to‑market support resources
• Strong organizational skills and attention to detail
• Ability to manage multiple priorities and move work forward in a complex, matrixed organization
• Comfort working with both strategic planning and day‑to‑day execution
• Proficiency in PowerPoint and Excel, with the ability to build clear, polished materials for leadership and partner teams