Senior Director, Client Leadership

We are looking for an experienced, strategic and commercially minded Senior Director, Client Leadership to join our growing team

This is a senior agency leadership role for someone who knows how to build trusted relationships with executive clients, shape sophisticated marketing strategies, grow enterprise accounts and influence how an agency delivers value to its clients.

The Senior Director, Client Leadership will provide executive leadership across Candybox's largest and most complex client partnerships while helping shape the future of our Client Leadership function and contributing directly to agency growth.

This role is a strong fit for someone who:

• Has significant agency leadership experience across large, complex and enterprise-level client relationships
• Is a trusted advisor to C-suite and senior executives and is confident leading high-level strategic conversations
• Can shape integrated marketing strategy around business outcomes, not simply campaign deliverables
• Has a strong commercial mindset and a proven ability to grow enterprise accounts, revenue and long-term client value
• Can lead major new business opportunities, strategic partnerships and high-value agency pitches
• Can influence across Strategy, Creative, Social Media, Performance Marketing, Technology and Project Management while developing a high-performing Client Leadership team

About Candybox

Candybox Marketing is an award-winning, full-service digital marketing agency with a studio in Oakville, ON. We specialize in CRO, SEO, PPC, Web Design + Development, Branding, Social Media, Marketing Automation and Multimedia.

Listed on Canada's Fastest Growing Companies 7 years in a row

Certified as a Great Place to Work (2021-2025)

We make the web sweet, and we want you on our team.

Key Responsibilities

As Senior Director, Client Leadership, you will provide executive leadership for Candybox's most important client partnerships while helping shape the strategic direction of the Client Leadership function.

You will remain actively involved in major client initiatives, but your impact will extend beyond individual accounts. You will help drive enterprise client growth, agency expansion, financial performance, new business and the continued evolution of how Candybox leads and serves its clients.

Agency Client Strategy

• Shape the long-term strategy for Candybox's client partnerships.
• Guide integrated marketing strategy across enterprise and strategically important accounts.
• Partner with Executive Leadership to align client strategy with Candybox's broader growth goals.
• Identify emerging client needs, marketing opportunities and potential service innovations.
• Provide strategic oversight across the agency's largest and most complex client programs.
• Help evolve Candybox's Client Leadership model as the agency grows.
• Serve as executive sponsor for Candybox's largest and most strategic clients.
• Build deep, trusted relationships with C-suite and senior client stakeholders.
• Lead executive strategy sessions, Quarterly Business Reviews and annual planning conversations.
• Guide Client Leadership teams through complex client, business and relationship challenges.
• Ensure Candybox is consistently positioned as a valuable strategic partner to senior client stakeholders.
• Strengthen long-term client partnerships and create mutual business value.
• Own enterprise-level account growth and strategic expansion across key client relationships.
• Identify opportunities to deepen partnerships, expand services and increase long-term account value.
• Influence agency positioning, pricing approaches and commercial strategy.
• Support the development of long-term agreements and high-value strategic partnerships.
• Ensure Client Leadership contributes meaningfully to overall agency revenue growth and profitability.
• Balance exceptional client outcomes with strong commercial discipline.

Strategic Campaign Leadership

• Participate directly in the development of major client and campaign strategies.
• Guide teams in solving complex marketing