Client Success Manager

About OpenAP Founded and owned by the largest television networks in the U.S., OpenAP is a collective of innovators fundamentally changing how advertising is bought and sold across the premium video ecosystem. Together with our partners, we are powering a more sustainable model for ad-supported television by: Connecting advertisers with the precise audiences they want to reach Connecting publishers and platforms to enable holistic, cross-screen targeting and measurement Connecting people with relevant brand messages that enhance the viewing experience OpenAP is based in New York City and Los Angeles, with team members located across the United States. About the Role OpenAP is seeking a Client Success Manager to support and grow our agency and brand relationships across an assigned book of business. This role serves as a trusted advisor to clients, helping them successfully activate, manage, and measure audience-based advertising campaigns through OpenAP's platform and solutions. The ideal candidate is client-focused, proactive, highly organized, and committed to team success. They are comfortable managing multiple priorities, collaborating cross-functionally, and communicating effectively with both internal and external stakeholders. This individual will play a critical role in delivering an exceptional client experience while helping drive customer satisfaction, retention, and long-term growth. Responsibilities Client Relationship Management Manage and grow relationships across an assigned portfolio of agency clients. Serve as the primary point of contact for clients throughout the campaign lifecycle, providing timely, professional, and solutions-oriented support. Build trusted relationships with client stakeholders while representing OpenAP's products and services. Monitor account health, proactively identify risks and opportunities, and recommend solutions that support client growth. Support account retention, renewal, and upsell efforts through strong client engagement and partnership. Participate in client-facing activities, including in-person meetings and client entertainment for relationship building. Campaign Execution Lead pre-campaign planning, campaign activation support, mid-campaign check-ins, and post-campaign reporting and analysis. Consult clients on audience activation strategies, campaign execution, and measurement best practices. Leverage campaign performance data and Platform insights to deliver strategic recommendations and optimize client outcomes. Conduct client-facing OpenAP Platform demonstrations, reporting walkthroughs, and educational sessions to drive Platform adoption and utilization. Lead both in-person and virtual client presentations, business reviews, campaign recaps, and strategic discussions, translating campaign performance into clear, actionable recommendations. Cross-Functional Partnership Partner closely with Agency Development, Publisher and Audience Solutions, Product, Operations, and other cross-functional teams to deliver successful client outcomes. Coordinate cross-functional alignment on client priorities, ensuring timely communication of updates, recommendations, insights, and next steps. Operational Excellence Maintain a high level of organization and follow-through across client requests, deliverables, and deadlines. Identify opportunities to improve client workflows, internal processes, and operational efficiency. Team & Culture Foster a collaborative and growth-oriented team environment through knowledge sharing, continuous learning, and active participation in team discussions and initiatives. Must Haves Experience 4–7+ years of experience in Client Success, Account Management, or a related customer-facing role. Experience within advertising, media, ad technology, television, or streaming. Strong professional presence to confidently engage with senior client stakeholders. Familiarity with advertising agency workflows and the campaign management lifecycle. Client Management & Communication Strong written, verbal, and presentation communication skills. Willingness and ability to participate in client-facing activities, including in-person meetings and client entertainment. Demonstrated ownership, accountability, and follow-through in managing projects and client relationships. Organization & Execution Strong proficiency in Microsoft Excel and PowerPoint, with experience developing client-facing reports, presentations, and meeting materials. Strong organizational skills and exceptional attention to detail. Demonstrated ability to manage multiple priorities and client engagements simultaneously. Excellent problem-solving, troubleshooting, and critical-thinking skills. Proactive mindset with a willingness to identify challenges, propose solutions, and drive action. What We Offer At OpenAP, our most valuable asset is our people. We put great emphasis on taking care of our people and are proud to offer: Generous time off and a full calendar of company holidays (including your birthday!) Comprehensive healthcare benefits for you and your family Retirement savings plan options 401k match A one-time home office stipend to set up your ideal WFH environment, no matter where in the country you’re located A culture focused on personal growth and development Wellness-based perks, including a Headspace membership for every employee and more The expected base salary for this position is $100,000 - $120,000, plus eligibility for an annual performance bonus, participation in a Long Term Incentive Plan (LTIP) and a full benefits package, including health insurance, flexible time off, a 401(k) plan with match and more. The exact salary will depend on a variety of factors, including qualifications, experience and geographic location.