Senior Director, Business Transformation

Job Description:

Senior Director, Business Transformation | Merkle | London | Permanent | Hybrid

Merkle, a dentsu company, powers the experience economy. For more than 35 years, the company has put people at the heart of its approach to digital business transformation. As the only integrated experience consultancy in the world with a heritage in data science and business performance, Merkle delivers holistic, end-to-end experiences that drive growth, engagement, and loyalty. Merkle's expertise has earned recognition as a  Leader  by top industry analyst firms, in categories such as digital transformation and commerce, experience design, engineering and technology integration, digital marketing, data science, CRM and loyalty, and customer data management.

With more than 16,000 employees, Merkle operates in 30+ countries throughout the Americas, EMEA, and APAC. For more information, visit

BX is dentsu UK&I’s strategy and transformation capability, housed within Merkle, our remit is to deliver high-impact strategy and transformation engagements for our clients and enable cross-practice growth. We position ourselves as our clients’ go-to partner for future‑fit business and experience transformation, delivering measurable business and customer growth through our blend of strategic and consulting rigour, human insight, and storytelling. BX supports brands in achieving transformational outcomes, including revenue diversification through new business models;

product and service innovation; organisational redesign; cultural and change management; and customer engagement strategies that drive value, loyalty and growth. You will join our BX team as a senior strategic leader, owning significant client relationships and engagements. Working across disciplines, you will turn strategic ambition into practical, scalable change while helping grow our client partnerships and practice.

• Lead multiple work streams and engagements across key accounts, from short diagnostic and advisory assignments to large, multi-year transformation programmes.
• Design and implement target operating models, including organisation structures, roles, governance, processes, workflows, capabilities and ways of working.
• Lead maturity assessments, current-state diagnostics, gap analyses and transformation roadmaps, connecting recommendations to clear business outcomes and value cases.
• Shape and lead change programmes, including stakeholder alignment, change impact, communications, adoption, capability building and benefits realisation.
• Act as a senior day-to-day focal point for client relationships; advise senior stakeholders, facilitate decisions and manage delivery risks and expectations.
• Lead and develop multidisciplinary teams across major accounts, managing Transformation Directors, Managers and Change Managers and ensuring high-quality outputs.
• Contribute to pre-sales, proposals, pitches and new business development, and separately help develop and evolve Business Transformation propositions, methodologies and thought leadership.

• Deliver high-quality transformation work that translates complex business challenges into practical, outcome-driven solutions.
• Build trusted senior client relationships, becoming a key adviser across multiple accounts and engagements.
• Successfully lead multiple work streams and multidisciplinary teams, ensuring high-quality delivery, strong commercial performance and measurable client outcomes.
• Identify and convert opportunities to grow existing accounts, deepen client relationships and support new business.
• Lead and develop high-performing teams through effective management, coaching, mentorship and collaboration.
• Help advance the Business…