Job (external facing)Lead, Client Leadership

Senior Principal, Client Leadership

As Senior Principal, Client Leadership, you will serve as a senior relationship steward and a driver of Epsilon Data revenue. You will build and sustain trusted partnerships with agency leaders, activation teams, and key ad tech platform partners (DSPs, SSPs, DOOH and data marketplaces), aligning Epsilon's data solutions to agency and client objectives.

By collaborating closely with agencies and platform partners to activate programmatic audiences leveraging Epsilon's proprietary data you will unlock new revenue opportunities, expand Epsilon's footprint within the programmatic ecosystem, and strengthen Epsilon's role as a strategic, long-term partner across agencies, advertisers, and ad tech platforms.

Responsibilities

What You'll Achieve

• Revenue Growth: Lead programmatic data revenue for assigned agencies and strategic partners including independent agencies, holding companies, platforms, and trading desks.
• Client Success: Drive measurable outcomes by implementing tailored data solutions across all consumer verticals.
• Strategic Collaboration: Act as a central point of coordination across internal teams and external partners to ensure seamless service delivery and shared success.
• Thought Leadership: Serve as a trusted advisor to clients, delivering insights and perspective that inspire innovation and deepen reliance on Epsilon's solutions.
• Operational Excellence: Lead account planning, business reviews, pipeline management, forecasting, and contract negotiations to ensure operational efficiency and client satisfaction.
• Influence Without Authority: Drive alignment and outcomes across cross-functional teams through expertise, communication, and credibility rather than direct management responsibility.
• Business Development: Identify, shape, and close complex opportunities that deliver measurable business outcomes, expanding Epsilon's footprint within existing and new accounts.

Qualifications

Who You Are

• Extensive Sales Experience: 10-15 years of success in client-facing sales roles, driving data revenue within the agency and adtech platforms
• Media Expertise: Proven ability to navigate industry challenges, regulatory landscapes, and evolving business priorities.
• Strategic Insight: Strong understanding of data-driven marketing and third-party data utilization to drive acquisition, retention, and personalization.
• Analytical Skills: Expertise in translating insights into actionable client strategies.
• Relationship Management: Ability to build and sustain strong, collaborative relationships across sales, product, analytics and strategy team.
• Innovation Driven Approach: Passion for using emerging technologies such as AI, machine learning, and dynamic creative solutions to drive marketing innovation.
• Collaborative Approach: Excellent communication and negotiation skills, with experience working across large holding companies and cross-functional teams.
• Flexibility: Willingness to travel as needed for client-facing meetings and industry events.

Additional Information

When You Join Us, We'll Create Something EPIC Together

Epsilon is a global data, technology and services company that powers the marketing and advertising ecosystem. For decades, we've provided marketers from the world's leading brands the data, technology and services they need to engage consumers with 1 View, 1 Vision, and 1 Voice. 1 View of their universe of potential buyers. 1 Vision for engaging each individual. And 1 Voice to harmonize engagement across paid, owned and earned channels.

Epsilon's comprehensive portfolio of capabilities across our suite of digital media, messaging and loyalty solutions bridge the divide between marketing and advertising technology. We process 400+ billion consumer actions each day using advanced AI and hold many patents of proprietary technology, including real-time modeling languages and consumer privacy advancements. Thanks to the work of every employee, Epsilon has been consistently recognized as industry-leading by Forrester, Adweek and the MRC. Epsilon is a global company with more than 9,000 employees around the world.

Our pillars aren't just words. They're how we show up every day.

• People centricity: We focus on employee well-being in an environment where colleagues truly care about each other.
• Collaboration: We work together, support one another, and collectively achieve goals.
• Growth: There are endless opportunities for growth through learning, development and career advancement.
• Innovation: We drive progress through cutting-edge solutions and forward-thinking approaches.
• Flexibility: We've created a balance between work and personal life, and we encourage adaptability to solve problems creatively.

Our values guide us to create value for our clients, our people and consumers.

• Act with integrity
• Work together to win together
• Innovate with purpose
• Respect all voices
• Empower with accountability

These pillars and values are our foundation—shaping our culture, guiding our decisions, and uniting us in common purpose.

Because You Matter

As an Epsilon employee, you deserve perks and benefits that put you, your family and your finances first. Our benefits encompass a wide range of offerings, including but not limited to the following:

• Time to Recharge: Flexible time off (FTO), 15 paid holidays
• Time to Recover: Paid sick time
• Family Well-Being: Parental/new child leave, childcare & elder care assistance, adoption assistance
• Extra Perks: Comprehensive health coverage, 401(k), tuition assistance, commuter benefits, professional development, employee recognition, charitable donation matching, health coaching and counseling

Epsilon benefits are subject to eligibility requirements and other terms. Epsilon is an Equal Opportunity Employer. Epsilon's policy is not to discriminate against any applicant or employee based on actual or perceived race, age, sex or gender (including pregnancy), marital status, national origin, ancestry, citizenship status, mental or physical disability, religion, creed, color, sexual orientation, gender identity or expression (including transgender status), veteran status, genetic information, or any other characteristic protected by applicable federal, state or local law. Epsilon also prohibits harassment of applicants and employees based on any of these protected categories. Epsilon will provide accommodations to applicants needing accommodations to complete the application process. Please reach out to View email address on click.appcast.io to request an accommodation.

For San Francisco Bay and Los Angeles Areas: Epsilon will consider for employment qualified applicants with criminal histories in a manner consistent with the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance and San Francisco Police Code Sections 4901-4919, commonly referred to as the San Francisco Fair Chance Ordinance. Applicants with criminal histories are welcome to apply.