Mattea Zeinstra
Account Supervisor, Project Manager & Marketing Manager
St. Petersburg,FL
Summary
Dynamic marketing professional with a proven track record leading high-impact campaigns and client initiatives for major brands including Toyota, Lexus, Lennox, Marriott, Appalachian Trail Conservancy, University of Maryland, and Guest Services. Skilled in strategic campaign development, new business development, cross-functional team leadership, and client relationship management. Recognized for innovative problem-solving and exceptional project management capabilities, with the ability to manage complex, multi-timezone projects while delivering standout results.
Overview
6
6
years of professional experience
4
4
years of post-secondary education
Work History
Account Supervisor, Project & Marketing Manager
RP3 Agency
04.2025 - Current
- Led integrated marketing, client service, and project management initiatives, guiding strategic programs from concept to execution.
- Managed proposals, pitch decks, and new business materials to support agency growth.
- Directed cross-functional teams—creative, strategy, media, technology, freelancers, and vendors—to deliver high-quality work on time and within scope.
- Oversaw project schedules, budgets, resourcing, and workflows to ensure operational efficiency and alignment with client goals.
- Maintained CRM systems and pipeline tracking, and organized centralized libraries of RFPs, case studies, and credentials.
- Strengthened client and internal alignment through clear communication and effective storytelling.
- Leveraged AI tools to enhance content development, research, and productivity.
Account Supervisor, Global Olympics
Saatchi & Saatchi
04.2023 - Current
- Partnered with Toyota Motors North America and Toyota Motor Corporation to launch Toyota’s global advertising campaign for the Paris 2024 Olympic and Paralympic Games.
- Managed day-to-day client communication and led discussions on strategy, deliverables, and creative approvals to ensure alignment and progress.
- Coordinated complex, cross-functional projects across three global time zones, driving seamless collaboration and on-time delivery.
- Directed internal workflows and key campaign milestones, overseeing creative development and managing daily project operations.
- Supervised and mentored team members through regular check-ins, performance evaluations, and professional development support.
- Oversaw account financials, including budget management, forecasting, and future planning.
Account Manager
Saatchi & Saatchi
02.2022 - 04.2023
- Developed and executed multi-channel advertising campaigns for Toyota across digital, social, print, and broadcast.
- Maintained strong daily client communication to ensure alignment and trust.
- Partnered with creative teams and external agencies to produce on-brand, high-impact campaign content.
- Supported planning and execution of Temu’s 2023 Super Bowl campaign, gaining global client relations and project management experience.
Account Executive
Firehouse Agency
04.2021 - 02.2022
- Help cultivate strong relationships and trust among internal teams and clients.
- Participate in initiation and execution of all marketing, strategy, creative, media, and research projects for the brand.
- Manage client expectations and feedback throughout the project life cycle.
Senior Account Coordinator
Czarnowski Exhibit Services
06.2019 - 04.2021
- Responsible for coordinating 20+ auto shows from start to finish; assisting in additional auto shows, multiple pop-up retail stores and digital events.
- Build strategy and vision for approved projects to ensure client satisfaction.
- Represent Account Team for on-site supervision of auto shows.
Education
Bachelor of Science - Business Administration And Marketing
Trinity University
San Antonio, TX 08.2015 - 05.2019
Skills
Account & Client Management: Relationship building, client communication, strategic guidance, budget managementProject Management: Timeline management, resourcing, workflow optimization, cross-functional coordinationNew Business Development: Pitches, RFPs, proposal development, pipeline managementCampaign Development: Integrated marketing, digital social content, creative collaborationLeadership & Collaboration: Team mentorship, stakeholder alignment, decision-makingOperations & Organization: Time management, prioritization, problem-solving, detail orientationTools & Platforms: Microsoft Office Suite, Google Workspace, CRM tools (HubSpot/Apollo/Active Campaign), AI content tools (ChatGPT/Waldo)
Timeline
Account Supervisor, Project & Marketing Manager
RP3 Agency
04.2025 - Current
Account Supervisor, Global Olympics
Saatchi & Saatchi
04.2023 - Current
Account Manager
Saatchi & Saatchi
02.2022 - 04.2023
Account Executive
Firehouse Agency
04.2021 - 02.2022
Senior Account Coordinator
Czarnowski Exhibit Services
06.2019 - 04.2021
Bachelor of Science - Business Administration And Marketing
Trinity University
08.2015 - 05.2019