Coordinator, Client Experience

About Us We are Assembly, a leading global omnichannel media agency that merges data, talent, and technology to catalyze growth for the world's most esteemed brands. Our holistic approach weaves together compelling brand narratives with a comprehensive suite of global media capabilities, driving performance and fostering significant business expansion. Our initiatives are powered by STAGE, our proprietary operating system, and executed by a dedicated global team of over 3,000 professionals across 44 offices worldwide. Committed to purposeful action, we lead the way in social and environmental impact within the agency realm. As a proud member of Stagwell, the challenger network designed to revolutionize marketing, Assembly continues to set new standards of excellence. ICYMI: Assembly was named Campaign’s 2025 Most Innovative Agency and Sustainability Standout and 2024 Media Agency of the Year. Our innovative work has also earned prestigious accolades, including The Webby Awards, Effies, and Cannes Lions. Follow us on LinkedIn and Instagram! Overview Assembly is looking for a Coordinator, Client Experience (Assistant Media Planner) in developing, executing, and monitoring media plans for assigned clients. You will be responsible for gathering and organizing data required to develop strategy and media plans to deliver client work. Responsibilities Builds rapport with key internal teams Understands the importance of deadlines and works to ensure deadlines are met with continuous follow-up with manager Supports Senior Manager and Associate Manager in media plan development and makes necessary revisions to tactical media plans to ensure they are up to date. Understands the role of each media channel and its contribution to marketing Prompt communication between Finance and Activation for billing and reconciliation Works in collaboration with Research Team on competitive reporting Assists in researching media opportunities Researches and contributes to POVs Set up client in all planning and finance systems/tools Supports billing which includes monthly vendor invoice reconciliation; creating monthly client billing invoice packets; reviewing activation team buy entries for accuracy; monitoring client aging reports and requests late payment updates; investigating vendor inquiries due to late payment Track project tasks and work closely with internal teams and shared Project Manager to manage processes efficiently Lead contact in organizing and trafficking assets to meet planned deadlines. Ensures flow charts are created and updated in a timely manner. Manage communication and delegation between team members In collaboration with team members, helps set agenda for all calls and distributes action items afterwards (works with PM) Excellent written and verbal communication skills Excellent organizational and time management skill Qualifications Strong communication skills Mathematical aptitude and attention to detail Solid research and analytical skills Ability to organize, prioritize, work well under pressure with multiple assignments; meet tight deadlines and multi-task Ability to work independently but also be a team player Comfortable interfacing with clients Experience with Excel and PPT skills strongly preferred. Prior internships within media or agency a plus Benefits Why Assembly? We care about your growth – we offer competitive salaries and annual compensation reviews We recognize and celebrate your success…all the time! Whether it’s through company meetups, employee recognition programs, or just a regular day, we make sure our people’s achievements are known and appreciated We’re truly a people-first organization. That’s why we offer a Flexible Time Off policy that puts you in control of your work-life balance, as well as market-leading primary and secondary caregiver and parental leave policies We have a hybrid in-office/remote working policy that focuses on bringing people together in-person when it’s needed most, i.e., team strategy brainstorms, learning & development opportunities, and company meetings We care about social and environmental Impact – we have dedicated Impact Champions who collaborate globally to make sure we’re leaving the world better than we found it We have an amazing group of Employee Resource Groups who form close knit communities and are committed to guiding the agency to become more inclusive, diverse, and representative of the world around us We’re part of Stagwell, the challenger network built to transform marketing. We’re nimble and digital-first, and we’re quickly growing to take on the biggest legacy hold cos Equal Opportunities At Assembly, we believe every career is as unique as the individual and empower employees to reach their full potential in a winning culture motivated by a powerful purpose. Assembly is an advocate for equal opportunity in the workplace. We are committed to ensuring equal opportunities regardless of race, color, religion, sex, national origin, sexual orientation, age, citizenship, marital status, gender identity, status as a protected veteran, among other things, or status as a qualified individual with disability. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you have a disability or special need that requires accommodation, please let us know. EEO Employer M/F/Vet/Disabled. Compensation (Text Only) In order to comply with equal pay and salary transparency laws in various locations, we believe the target range of base compensation in all locations within the United States for this role is $ 40,000-50,000. Actual compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, and location.