Senior Business Development Manager / Supply - UK m/f/d

About ConnectAd ConnectAd is a European, independent Supply-Side Platform built for efficiency, transparency, and long-term value creation. As a boutique challenger in the programmatic ecosystem, we focus on delivering high-quality supply and maximising revenue for our publisher partners — without unnecessary complexity or excessive take rates. We work closely with publishers, agencies, advertisers, and technology partners to build efficient programmatic marketplaces that prioritise performance, transparency, and sustainable growth. About the role We are looking for an experienced Senior Supply Business Development Manager to accelerate ConnectAd's publisher-side growth in the UK market. This is a senior, supply-focused commercial role centred on identifying, acquiring, and growing premium publishing partnerships. You will drive new business development with media owners and publishers across the UK, while also deepening and expanding ConnectAd's existing publisher relationships to maximise monetisation and long-term partnership value. Responsibilities Identify, pitch, and onboard premium UK publishers and media owners into the ConnectAd platform. Build and execute a supply-acquisition strategy targeting high-quality, monetisation-ready inventory across formats and verticals. Own and grow relationships with existing publisher partners, identifying opportunities to expand inventory, formats, and revenue. Act as a trusted advisor to publishers on yield strategy, demand activation, and platform integration. Collaborate closely with Customer Success teams to ensure smooth onboarding, high service levels, and strong partnership satisfaction for newly acquired publishers. Collaborate with account management, product, and operations teams to ensure smooth onboarding and successful partner activation. Represent ConnectAd at industry events, publisher meetings, and senior stakeholder discussions in the UK. Monitor market trends and competitive dynamics to identify new partnership opportunities. Provide market feedback to product and leadership teams to inform ConnectAd's supply strategy. Success metrics New business revenue growth from onboarding new publishing partners (primary KPI). Number and quality of new publisher partnerships onboarded. Revenue growth from existing publisher accounts. Overall supply-side revenue contribution in the UK. Publisher retention and satisfaction. Pipeline quality and conversion rate. Inventory quality and diversity added to the platform. Strategic relationship depth across the UK publisher landscape. Requirements Substantial, proven experience in publisher development, supply-side partnerships, adtech, or programmatic business development. Strong existing network across UK publishers and media owners. Proven track record of acquiring and growing revenue-generating publisher partnerships. Solid understanding of SSPs, header bidding, yield management, ad servers, and programmatic monetisation. Strong negotiation and relationship-management skills, with the ability to engage senior stakeholders. Entrepreneurial mindset with high ownership, comfortable in a fast-moving, independent SSP environment. Business-fluent English (C1 or above). Benefits Competitive compensation with a performance-based bonus. A strategic, high-impact role within a growing independent SSP. A remote working model. A collaborative, entrepreneurial environment where you shape ConnectAd's supply strategy in the UK.