WHO WE ARE Zeta Global (NYSE: ZETA) is the AI-Powered Marketing Cloud that leverages advanced artificial intelligence (AI) and trillions of consumer signals to make it easier for marketers to acquire, grow, and retain customers more efficiently. Through the Zeta Marketing Platform (ZMP), our vision is to make sophisticated marketing simple by unifying identity, intelligence, and omnichannel activation into a single platform – powered by one of the industry’s largest proprietary databases and AI. Our enterprise customers across multiple verticals are empowered to personalize experiences with consumers at an individual level across every channel, delivering better results for marketing programs. Zeta was founded in 2007 by David A. Steinberg and John Sculley and is headquartered in New York City with offices around the world. To learn more, go to www.zetaglobal.com. THE ROLE We are seeking a results‑driven Client Success Manager who thrives on being a strategic partner to our clients and a key driver of revenue growth. This role is ideal for someone who excels in campaign management and client relationships, and who is ready to take on greater responsibility influencing performance, retention, and account expansion. As a CSM, you will own a portfolio of clients and serve as their primary point of contact, guiding them through every stage of campaign execution. You will collaborate cross‑functionally with Sales, Operations, Analytics, and Product to ensure campaigns launch flawlessly, perform against key metrics, and align with each client’s attribution model and business objectives. In this role, you will closely monitor performance data, lead performance reviews, and proactively identify optimizations that strengthen outcomes. You will also surface and drive upsell opportunities, develop tailored growth ideas for each client’s lines of business, and partner with Sales on long‑term expansion strategies. RESPONSIBILITIES - Own and maintain strong relationships with accounts, ensuring client success through up-sells, cross-sells, renewals, and overall account growth. - Partner with Sales to successfully launch, manage, and scale new accounts, ensuring long-term growth and performance optimization - Serve as the main point of contact for client communications, campaign execution, and strategic recommendations, ensuring a seamless customer experience. - Develop and manage a client growth plan outlining major milestones, testing initiatives, and opportunities for expansion. Understand clients reporting and Attribution methods. - Apply knowledge of Zeta offerings, client goals, industry trends, and best practices to develop strategic recommendations that drive performance improvements, creative enhancements, and revenue growth. - Identify and execute growth opportunities by designing unique strategic plans for each customer that exceed quarterly and annual goals. - Oversee campaign execution, including creative build-outs, asset setup, timeline management, audience targeting, and campaign documentation. - Possess a deep understanding of partner KPIs and goal-setting, proactively providing optimization recommendations to maximize performance. - Lead and attend client meetings, including weekly status updates, kick-off calls, and Quarterly Business Reviews, ensuring action items and strategic next steps are documented and executed. - Build knowledge of Zeta’s offerings, tools, and industry best practices to better support client needs. - Maintain clear documentation of processes, timelines, and deliverables across your accounts. REQUIREMENTS - 2-3 years of experience in digital advertising, media, marketing, or client services, ideally within an ad tech, agency, or publisher environment. - Strong client management and communication skills, with confidence leading data driven conversations. - Organized and detail-oriented, with the ability to manage multiple projects and deadlines in a fast-paced setting. - Comfortable working cross-functionally with technical and non-technical teams. - Strong analytical mindset with working knowledge of Excel and comfort interpreting performance data. - Experience with campaign management tools, ad platforms (DSP/SSP), or reporting systems a plus. - Self-starter with a collaborative attitude, eager to learn and contribute. - Willingness to travel as needed. This is a hybrid position based out of New York City, NY or Nashville, TN. BENEFITS & PERKS - Unlimited PTO - Excellent medical, dental, and vision coverage - Employee Equity - Employee Discounts, Virtual Wellness Classes, and Pet Insurance And more!! SALARY RANGE The salary range for this role is $75,000 - $80,000.00, depending on location and experience. PEOPLE & CULTURE AT ZETA Zeta considers applicants for employment without regard to, and does not discriminate on the basis of an individual’s sex, race, color, religion, age, disability, status as a veteran, or national or ethnic origin; nor does Zeta discriminate on the basis of sexual orientation, gender identity or expression. We’re committed to building a workplace culture of trust and belonging, so everyone feels invited to bring their whole selves to work. We provide a forum for employees to celebrate, support and advocate for one another. Learn more about our commitment to diversity, equity and inclusion here: https://zetaglobal.com/blog/a-look-into-zetas-ergs/ ZETA IN THE NEWS! https://zetaglobal.com/press/?cat=press-releases #LI-RP1

• As part of the Customer Account Team, this role will collaborate with Direct Sales Executives and Solution Architects to drive, grow and retain targeted revenue from our existing customers, focusing on supporting the overall customer experience. • Carry quarterly expansion targets for the assigned customer portfolio, identifying and executing upsell and cross-sell opportunities while building and maintaining a healthy pipeline of growth opportunities within existing accounts. • Act as a trusted advisor to existing customers, focusing on initial onboarding and enablement, to ensure quick time to value as well as providing information about Megaport enhancements, new products and ecosystem partners. • Own and proactively drive the renewal process across a wide base of customers, increasing long-term revenue by converting customers from month-to-month to term subscriptions and identifying expansion opportunities during renewal cycles. • Be responsible for proactive, sequenced outreach communications across a large base of customers driving further adoption, solution awareness and opportunities to engage with Megaport and our partner community. • Champion customers throughout their entire customer journey, including facilitating the resolution of customer-related issues and concerns from a Commercial and Sales standpoint, and understanding how we can add more value. • Nurture the nominated customer base, identifying key targets and executing an account growth strategy aligned to customer needs, vertical opportunities, and Megaport solutions. • Ensure each new customer follows a formal onboarding process, with key milestones and activities documented in Salesforce to enable transparency, knowledge transfer, and consistent customer experience across the team. • Work closely with Sales, Solutions Architecture, Support, Engineering, Legal, Finance, and Product teams to deliver a seamless customer experience. • Represent your team’s insights and feedback in internal discussions to shape product and process improvements. • Ensure your team is capturing key insights during customer engagement to support continuous improvement. • Maintain in-depth knowledge of Megaport products and solutions and be able to propose and demonstrate these to the customers, whilst being aware of rival services or products. Maintain and share a value add opinion on Megaport and where we fit in the customer's ecosystem. • Collaborate with Sales and Marketing teams on campaigns and strategies for revenue growth.

• Reporting to the Regional Manager of Customer Success, the Customer Success Manager (CSM) will act as the main point of contact for our existing customers. • This is a commercial, revenue-generating role focused on post-sale account growth, customer retention, and long-term value creation. • The CSM will own and manage the ongoing commercial relationships with customers, with a main focus on upselling, cross-selling, and driving product adoption. • This role carries quarterly expansion revenue targets, and success will be measured by the ability to grow existing accounts while maintaining strong customer satisfaction and retention. • You will be accountable for driving incremental sales and retaining existing revenue, proactively engaging customers to introduce new product enhancements, service developments, pricing initiatives, and other benefits of the Megaport platform. • The position will sit within the wider Customer Account Team, working closely alongside a Direct Sales Executive and Solutions Architect in California. • The CSM plays an integral role within the team and is responsible for owning the post-sales commercial lifecycle for a nominated account list. • The goal is to expand revenue, retain customers, and continuously develop increased value within the assigned account base from the numerous and ever-growing range of Megaport benefits.

• Support new brand onboardings — help coordinate kickoffs, prepare materials, and ensure customers get activated quickly and smoothly • Assist in developing playbooks — contribute to the library of use cases and best practices that help brands win with OuterSignal • Help brands with setup and training — lead working sessions with brand teams to walk through the platform and drive adoption • Monitor account health — track usage across your book of accounts and flag risks or opportunities to the team • Handle customer support — serve as a first point of contact for questions, troubleshooting, and escalations • Help surface product insights — document customer feedback and share patterns with the team to inform the product roadmap • Learn the business — develop a deep understanding of eCommerce, DTC brand operations, and martech so you can speak credibly to customers